High-sealing type water pump shell mold

By introducing positioning blocks, groove rail structures, and double corrugated sealing rings into the pump housing mold, the leakage problem caused by the aging of the sealing structure was solved, achieving stable sealing under high temperature environments and simplifying disassembly and replacement.

CN223952895UActive Publication Date: 2026-02-27SENSUS PRECISION DIE CASTING YANGZHOU
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Patent Information

Application Number
CN202520421096.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-27
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The sealing structure of existing automotive water pumps is prone to aging in high-temperature environments, resulting in reduced sealing performance. Furthermore, disassembly and replacement are complex and inefficient.

Method used

The pump casing mold is designed for high sealing. Multiple positioning blocks and grooved rail structures are set between the pump cover and the connecting plate. Combined with double corrugated sealing rings and sealing rubber rings, it achieves quick and stable assembly. The sealing performance is enhanced by bolt fixing.

Benefits of technology

It achieves stable sealing performance and rapid installation in high-temperature environments, prevents fluid leakage, and simplifies disassembly and replacement operations.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223952895U_ABST
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Abstract

The utility model provides a high-sealing type water pump shell mold which comprises a pump body, a connecting disc fixedly arranged at one end of the pump body, a connecting sleeve fixedly arranged at one end of the connecting disc, a first corrugated sealing ring arranged on the inner wall of the connecting sleeve, a plurality of grooved rails arranged on the outer wall of the connecting sleeve, positioning inserting openings formed in the tail ends of the grooved rails, and a pump cover arranged at one end of the connecting disc. A plurality of positioning blocks are arranged on the inner wall of the pump cover, and the positioning blocks and the grooved rails are assembled; a mounting groove is formed in the end, close to the pump cover, of the connecting disc, the mounting groove is located in the connecting sleeve, a second corrugated sealing ring is arranged on the outer wall of the mounting sleeve, the tail end of the mounting sleeve is located in the mounting groove, the fixing block is accurately inserted into the multiple grooved rails, and when the positioning block is completely embedded into the grooved rails, the mounting sleeve enters the mounting groove; the pump cover is rotated to install the positioning block in the positioning insertion opening, the first corrugated sealing ring and the second corrugated sealing ring extrude each other to form double sealing, installation is convenient, meanwhile, the sealing performance is guaranteed, and the service life of the water pump is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water pump casing field especially relates to high sealing type water pump casing mould. BACKGROUND

[0002] The automobile water pump is a key component in the automobile cooling system, and its main function is to provide circulating coolant for the engine to ensure that the engine operates within a normal temperature range. Through the driving of the water pump, the coolant circulates in the cooling water channel of the engine, absorbs and carries away the heat generated by the engine, and then dissipates heat to the atmosphere through the radiator, thereby maintaining the stable working temperature of the engine.

[0003] Now there is a Chinese patent document CN202322915234.6 of a water leakage prevention automobile water pump, including automobile water pump and ferrule, the outer wall rear of automobile water pump is fixed with the inner wall of ferrule, the rear of automobile water pump is equipped with rear shell, the rear end surface of automobile water pump is pasted with sealing structure, the front of ferrule is screw threadedly connected with a plurality of screw rods, the outer wall rear of screw rod is screw threadedly connected with the front outer side of rear shell, the outer wall of circular ring is inserted with the inner wall of automobile water pump, then the front of rear shell is tightly pressed with the rear of first protective pad, then two second protective pads are respectively inserted with the outer wall slot of first protective pad on the upper and lower sides, at this time, the inner wall of the arc plate on the front and rear sides is respectively pasted with the outer wall of ferrule and the outer wall of rear shell, then the bolt is fixed through two pasted straight plates, realizes the inner and outer layer sealing of automobile water pump, improves the leakage prevention effect, guarantees the leakage prevention performance of water leakage prevention automobile water pump, eliminates the use limitation of water leakage prevention automobile water pump.

[0004] But the above patent has certain defects in use, because the internal temperature of water pump is higher during operation, long-time use can cause aging and deformation of sealing structure, and then cause the reduction of sealing performance, when carrying out dismounting and replacement operation, the process is relatively complex and low in efficiency.

[0005] Therefore, a high sealing type water pump casing mold is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a high sealing type water pump casing mold.

[0007] The utility model adopts the following technical scheme:

[0008] The high sealing type water pump casing mold comprises

[0009] Pump body, one end of the pump body is fixedly provided with a connecting disc, one end of the connecting disc is fixedly provided with a connecting sleeve, the inner wall of the connecting sleeve is provided with a first corrugated sealing ring, the outer wall of the connecting sleeve is provided with a plurality of groove rails, the tail end of the plurality of groove rails is provided with a positioning socket, one end of the connecting disc is provided with a pump cover, a plurality of positioning blocks are arranged on the inner wall of the pump cover, and the plurality of positioning blocks and the plurality of groove rails are in an assembled relationship.

[0010] The connecting disc is provided with a mounting groove near one end of the pump cover, the mounting groove is located in the connecting sleeve, the pump cover is provided with a mounting sleeve, the outer wall of the mounting sleeve is provided with a second corrugated sealing ring, and the tail end of the mounting sleeve is located in the mounting groove.

[0011] As a preferred scheme of the utility model, the outer wall of the pump cover is provided with a plurality of fixing blocks, a plurality of threaded holes are arranged on the connecting disc and the plurality of fixing blocks, bolts are connected to the plurality of threaded holes, and the tail end of the bolt is provided with a nut.

[0012] As a preferred scheme of the utility model, the tail end of the inner wall of the mounting sleeve is provided with a sealing rubber ring.

[0013] As a preferred scheme of the utility model, the pump body is provided with a plurality of fixing members, the other end of the plurality of fixing members is connected with a driving motor, the output end of the driving motor is provided with a rotating shaft, the rotating shaft penetrates through the connecting disc and is provided with an impeller, and the impeller is located in the pump cover.

[0014] As a preferred scheme of the utility model, the inner wall of the connecting disc is provided with a bearing, the inner wall of the bearing is provided with a sealing sleeve, and the sealing sleeve is connected to the outer wall of the rotating shaft.

[0015] As a preferred scheme of the utility model, the top of the pump cover is provided with a liquid inlet, and one side of the pump cover is provided with a liquid inlet.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. By arranging the connecting disc at one end of the pump body, arranging the connecting sleeve at one end of the connecting disc, when the pump cover needs to be installed, the plurality of positioning blocks on the inner wall of the pump cover are aligned with the plurality of groove rails on the outer wall of the connecting sleeve and are inserted, when the plurality of positioning blocks are inserted into the positioning sockets at the tail end of the groove rails, the pump cover is rotated clockwise, the positioning blocks are installed in the positioning sockets, and quick and stable assembly is realized.

[0018] 2. As the positioning block is installed in the slot rail, the end of the mounting sleeve automatically enters the mounting groove. When the end of the mounting sleeve enters the mounting groove, the connecting disc is tightly attached to the pump cover, the first corrugated sealing ring on the inner wall of the connecting sleeve is tightly attached to the second corrugated sealing ring on the outer wall of the mounting sleeve, the first corrugated sealing ring and the second corrugated sealing ring are extruded to form double sealing, and the first corrugated sealing ring and the second corrugated sealing ring do not directly contact the interior of the water pump, preventing leakage caused by aging of the sealing ring.

[0019] 3. When the pump cover is installed, the fixed block is aligned with the threaded hole on the connecting disc, the bolt passes through the threaded hole and the nut is tightened, further reinforcing the connection between the connecting disc and the pump cover, ensuring the stability and sealing of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure diagram of the utility model;

[0021] Figure 2 is the utility model explosion diagram;

[0022] Figure 3 is the pump cover structure diagram of the utility model;

[0023] Figure 4 is the connecting sleeve structure diagram of the utility model;

[0024] Figure 5 is the pump body sectional view of the utility model;

[0025] In the drawing: 1, pump body; 2, connecting disc; 3, connecting sleeve; 4, slot rail; 5, positioning socket; 6, first corrugated sealing ring; 7, mounting groove; 8, pump cover; 9, liquid inlet; 10, liquid outlet; 11, positioning block; 12, mounting sleeve; 13, second corrugated sealing ring; 14, fixed block; 15, threaded hole; 16, bolt; 17, nut; 18, fixed part; 19, driving motor; 20, shaft; 21, bearing; 22, sealing sleeve; 23, impeller; 24, sealing rubber ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Embodiment:

[0028] Please refer to Figures 1-5 , high-sealing water pump shell mold, comprising:

[0029] The pump body 1 is fixedly provided with a connecting disc 2 at one end, the connecting disc 2 is fixedly provided with a connecting sleeve 3 at one end, the inner wall of the connecting sleeve 3 is provided with a first corrugated sealing ring 6, the outer wall of the connecting sleeve 3 is provided with a plurality of groove rails 4, the end of the groove rail 4 is provided with a positioning socket 5, one end of the connecting disc 2 is provided with a pump cover 8, the inner wall of the pump cover 8 is provided with a plurality of positioning blocks 11, and the plurality of positioning blocks 11 and the plurality of groove rails 4 are in an assembly relationship.

[0030] The connecting disc 2 is provided with a mounting groove 7 close to one end of the pump cover 8, the mounting groove 7 is located in the connecting sleeve 3, and the pump cover 8 is provided with a mounting sleeve 12, the outer wall of the mounting sleeve 12 is provided with a second corrugated sealing ring 13, and the end of the mounting sleeve 12 is located in the mounting groove 7.

[0031] In this embodiment, the pump body 1 is fixedly connected with the connecting disc 2 at one end, the connecting disc 2 is fixedly connected with the connecting sleeve 3 at one end, the inner wall of the connecting sleeve 3 is provided with the first corrugated sealing ring 6, the outer wall of the connecting sleeve 3 is provided with the plurality of groove rails 4, the end of the groove rail 4 is provided with the positioning socket 5, and the plurality of positioning sockets 5 and the plurality of groove rails 4 are an integral structure, one end of the connecting disc 2 is provided with the pump cover 8, the inner wall of the pump cover 8 is provided with the plurality of positioning blocks 11, the plurality of positioning blocks 11 and the plurality of groove rails 4 are in an assembly relationship, the connecting disc 2 is provided with the mounting groove 7 close to one end of the pump cover 8, the mounting groove 7 is located in the connecting sleeve 3, the pump cover 8 is provided with the mounting sleeve 12, and the outer wall of the mounting sleeve 12 is provided with the second corrugated sealing ring 13, when the pump cover 8 needs to be installed on the connecting disc 2, the plurality of positioning blocks 11 are aligned with the plurality of groove rails 4 and inserted, as the positioning blocks 11 gradually penetrate, the mounting sleeve 12 enters the mounting groove 7, when the positioning blocks 11 are completely embedded in the groove rail 4, the mounting sleeve 12 is tightly combined with the mounting groove 7, the pump cover 8 is rotated, the positioning blocks 11 enter the positioning socket 5, when the pump cover 8 is tightly combined with the connecting disc 2, the first corrugated sealing ring 6 on the inner wall of the connecting sleeve 3 is highly combined with the second corrugated sealing ring 13 on the outer wall of the mounting sleeve 12, a double sealing structure is formed, and fluid leakage is prevented.

[0032] Specifically, the outer wall of the pump cover 8 is provided with a plurality of fixing blocks 14, the connecting disc 2 is provided with a plurality of threaded holes 15, the plurality of threaded holes 15 are connected with bolts 16, and the end of the bolt 16 is provided with a nut 17.

[0033] In this embodiment, the outer wall of the pump cover 8 is provided with a plurality of fixing blocks 14, the connecting disc 2 is provided with a plurality of corresponding threaded holes 15, the threaded holes 15 are screwed into the bolts 16, and the end of the bolt 16 is fastened by the nut 17, when the nut 17 is fastened, the nut 17 is located away from one end of the pump cover 8, and the stability of the overall structure is ensured.

[0034] Specifically, the inner wall of the mounting sleeve 12 is provided with a sealing rubber ring 24 at the end.

[0035] In this embodiment, the inner wall of the mounting sleeve 12 is provided with a sealing rubber ring 24, which is located at the end of the inner wall of the mounting sleeve 12. When the pump cover 8 is tightly attached to the connecting disc 2, the sealing rubber ring 24 will tightly attach to the connecting disc 2, further enhancing the sealing effect.

[0036] Specifically, the pump body 1 is provided with a plurality of fixing members 18, the other end of the plurality of fixing members 18 is connected with a driving motor 19, the output end of the driving motor 19 is provided with a rotating shaft 20, the rotating shaft 20 penetrates the connecting disc 2 and is provided with an impeller 23, and the impeller 23 is located in the pump cover 8.

[0037] In this embodiment, the inner wall of the pump body 1 is provided with a plurality of fixing members 18, the other end of the plurality of fixing members 18 is connected with a driving motor 19, the output end of the motor is provided with a rotating shaft 20 which penetrates the connecting disc 2, the end of the rotating shaft 20 is provided with an impeller 23, the impeller 23 is located in the pump cover 8, the driving motor 19 drives the rotating shaft 20 to rotate, and drives the impeller 23 to operate at high speed. Fluid generates centrifugal force under the action of the impeller 23, realizing efficient conveying.

[0038] Specifically, the inner wall of the connecting disc 2 is provided with a bearing 21, the inner wall of the bearing 21 is provided with a sealing sleeve 22, and the sealing sleeve 22 is connected to the outer wall of the rotating shaft 20.

[0039] In this embodiment, the inner wall of the connecting disc 2 is connected with a bearing 21, the inner wall of the bearing 21 is connected with a sealing sleeve 22, and the sealing sleeve 22 tightly attaches to the outer wall of the rotating shaft 20, preventing fluid from penetrating into the pump body 1.

[0040] Specifically, the pump cover 8 is provided with a liquid inlet 9 at the top, and the pump cover 8 is provided with a liquid inlet 9 on one side.

[0041] In this embodiment, the pump cover 8 is provided with a liquid inlet 9 at the top, and the pump cover 8 is provided with a liquid outlet 10 on one side. Through the high-speed rotation of the impeller 23, fluid is sucked into the liquid inlet 9, pressurized by the impeller 23, and discharged from the liquid outlet 10, ensuring efficient fluid conveying.

[0042] The utility model discloses a principle is: when installing, the multiple fixed blocks 14 of pump cover 8 inner wall are inserted into multiple slot rail 4 accurately, along with the gradual in-depth of positioning block 11, install sleeve 12 enter the installation groove 7 along, when positioning block 11 is completely embedded slot rail 4, sealing rubber ring 24 will closely connect disc 2, clockwise rotate pump cover 8, will positioning block 11 install in the positioning spout 5, after pump cover 8 is installed, fixed block 14 is aligned with the threaded hole 15 on connecting disc 2, and bolt 16 passes threaded hole 15 will pump cover 8 with connecting disc 2 are fixed, and nut 17 is screwed tightly, and the first corrugated sealing ring 6 of connecting sleeve 3 inner wall is closely combined with the second corrugated sealing ring 13 of install sleeve 12 outer wall height, and will not directly contact fluid, effectively prevent leakage.

[0043] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme of the utility model and its improvement concept, equivalent replacement or change, should be contained in the protection scope of the utility model.

Claims

1. A high seal type water pump housing mold characterized by, Include: Pump body, one end of the pump body is fixedly provided with a connecting disc, one end of the connecting disc is fixedly provided with a connecting sleeve, the inner wall of the connecting sleeve is provided with a first corrugated sealing ring, the outer wall of the connecting sleeve is provided with a plurality of groove rails, the ends of the plurality of groove rails are provided with positioning sockets, one end of the connecting disc is provided with a pump cover, a plurality of positioning blocks are arranged on the inner wall of the pump cover, and the plurality of positioning blocks and the plurality of groove rails are in an assembled relationship; The end of the connecting disc close to the pump cover is provided with a mounting groove, the mounting groove is located in the connecting sleeve, the pump cover is provided with a mounting sleeve, the outer wall of the mounting sleeve is provided with a second corrugated sealing ring, and the end of the mounting sleeve is located in the mounting groove.

2. The high-seal-type water pump housing mold according to claim 1, characterized by: The outer wall of the pump cover is provided with a plurality of fixing blocks, a plurality of threaded holes are arranged on the connecting disc and the plurality of fixing blocks, the plurality of threaded holes are connected with bolts, and the ends of the bolts are provided with nuts.

3. The high-seal-type water pump housing mold according to claim 2, characterized by: The end of the inner wall of the mounting sleeve is provided with a sealing rubber ring.

4. The high-seal-type water pump housing mold according to claim 3, characterized by: A plurality of fixing members are arranged in the pump body, the other ends of the plurality of fixing members are connected with a driving motor, the output end of the driving motor is provided with a rotating shaft, the rotating shaft penetrates through the connecting disc and is provided with an impeller, and the impeller is located in the pump cover.

5. The high-seal water pump housing mold according to claim 4, characterized by: The inner wall of the connecting disc is provided with a bearing, the inner wall of the bearing is provided with a sealing sleeve, and the sealing sleeve is connected to the outer wall of the rotating shaft.

6. The high-seal water pump housing mold according to claim 5, characterized by: The top of the pump cover is provided with a liquid inlet, and one side of the pump cover is provided with a liquid inlet.

Citation Information

Patent Citations

  • Water leakage prevention automobile water pump

    CN221096934U