Combined mechanical pump

By combining the speed-increasing gear set and axial flow impeller design of the mechanical pump, the drainage problem under the constraints of vehicle layout is solved, achieving efficient and low-height water removal.

CN223767724UActive Publication Date: 2026-01-06XINXIANG BEIFANG HYDRAULIC TRANSMISSION MACHINERYCO
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Patent Information

Application Number
CN202423275567.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-06
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing pumps are insufficient to effectively remove moisture from the bottom of vehicles in certain vehicle layouts, and electric pumps consume a large amount of electricity, which cannot meet the overall vehicle layout and performance requirements.

Method used

Design a combined mechanical pump that uses a speed-increasing gear set and an axial flow impeller inside a speed-increasing housing to increase the rotational speed and reduce the overall height, thereby achieving efficient drainage.

Benefits of technology

The output speed was increased and the overall height was reduced to meet the functional requirements of the vehicle and achieve effective moisture removal.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223767724U_ABST
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Abstract

The utility model discloses a combined mechanical pump which comprises a speed increasing box body. The left end of the speed increasing box body is fixedly connected with a speed increasing box cover, an input rotating shaft is rotationally connected between the speed increasing box cover and the upper end of the speed increasing box body, and the middle of the input rotating shaft is rotationally connected with a first-stage speed increasing gear; a second-stage speed increasing gear and a third-stage speed increasing driving gear are sequentially and rotationally connected to the middle between the upper end of the speed increasing box cover and the upper end of the speed increasing box body from top to bottom, an output rotating shaft is rotationally connected between the lower end of the speed increasing box cover and the lower end of the speed increasing box body, and a third-stage speed increasing driven gear is rotationally connected to the middle of the input rotating shaft. According to the combined type mechanical pump, the overall height is reduced, the output rotating speed is increased, and the functional requirement of the whole vehicle is met. The gear at the right end of the speed increasing second-stage gear is connected with the gear at the left end of the speed increasing third-stage driving gear in a meshed mode. And the gear at the right end of the speed increasing second-stage gear is connected with the gear at the left end of the speed increasing third-stage driving gear in a meshed mode.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pump technical field, concretely is a combined mechanical pump. BACKGROUND

[0002] Pump is a kind of pump and motor are connected, and work under liquid at the same time.Pump product has the following advantages: small mechanism, long running time, easy installation, low noise and so on.Compared with other horizontal or vertical water pump, it is more and more used by people, in vehicle drainage system, it needs to use pump to discharge the water in the vehicle body during vehicle floating,

[0003] Due to the overall layout of some types of vehicles, the vehicle input motor position is high above the vehicle bottom, if the water pump is directly designed to be connected, the water in the vehicle bottom cannot be discharged outside, at the same time, the overall power consumption of the vehicle is large, the mechanical pump needs to replace the electric pump, the whole vehicle requires high drainage capacity, and the ordinary pump cannot meet the requirements of vehicle layout and performance, therefore, a combined mechanical pump is provided. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, provides a combined mechanical pump, which reduces the overall height and improves the output speed, meets the functional requirements of the whole vehicle, and effectively solves the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a combined mechanical pump, comprising a speed increasing box body;

[0006] The left end of the speed increasing box body is fixedly connected with a speed increasing box cover, the upper end between the speed increasing box cover and the speed increasing box body is rotatably connected with an input shaft, the middle part of the input shaft is rotatably connected with a speed increasing first gear, the middle part between the upper end of the speed increasing box cover and the speed increasing box body is rotatably connected with a speed increasing second gear and a speed increasing third driving gear from top to bottom, the lower end between the speed increasing box cover and the speed increasing box body is rotatably connected with an output shaft, the middle part of the input shaft is rotatably connected with a speed increasing third driven gear, the gear at the left end of the speed increasing first gear is meshed with the gear at the right end of the speed increasing second gear, the gear at the right end of the speed increasing second gear is meshed with the gear at the left end of the speed increasing third driving gear, and the gear at the right end of the speed increasing third driving gear is meshed with the gear at the left end of the speed increasing third driven gear, which reduces the overall height and improves the output speed, and meets the functional requirements of the whole vehicle.

[0007] Further, the right side of the speed increasing box body is fixedly connected with a water pump body, to realize water delivery.

[0008] Further, the right end of the output shaft is fixedly provided with an axial flow impeller, and the axial flow impeller is located in the interior of the water pump body, to realize water pumping.

[0009] Further, the right side of the water pump body is fixedly connected with the water inlet assembly, water inlet is realized.

[0010] Further, the left end of the input shaft is movably sleeved with an input end water seal, which is located in the connecting port of the speed increasing box cover and seals the position of the input shaft.

[0011] Further, the right end of the output shaft is movably sleeved with an output end water seal, which is located between the water pump body and the speed increasing box cover and seals the position of the output shaft.

[0012] Further, the right end of the output shaft is movably sleeved with a gasket, which is located between the output end water seal and the speed increasing box cover and presses the output end water seal.

[0013] Compared with the prior art, the combination type mechanical pump has the following advantages:

[0014] 1. The rotation of the speed increasing primary gear, the speed increasing secondary gear, the speed increasing tertiary driving gear and the speed increasing tertiary driven gear realizes the increase of the rotation speed.

[0015] 2. The speed increasing primary gear, the speed increasing secondary gear, the speed increasing tertiary driving gear and the speed increasing tertiary driven gear are arranged in parallel in the speed increasing box body, the space is reduced, and the output shaft of the vehicle motor is fixedly connected with the input shaft from the bottom of the vehicle, so that the overall height is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the inside of the speed increasing box body of the utility model;

[0018] Figure 3 It is a structural schematic view of the inside of the water pump body of the utility model;

[0019] Figure 4 It is a sectional view of the utility model.

[0020] In the drawing: 1 input shaft, 2 input end water seal, 3 speed increasing secondary gear, 4 speed increasing tertiary driving gear, 5 speed increasing tertiary driven gear, 6 speed increasing box cover, 7 speed increasing primary gear, 8 speed increasing box body, 9 water pump body, 10 output end water seal, 11 output shaft, 12 axial flow impeller, 13 water inlet assembly. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 The embodiment provides a technical scheme: a combined mechanical pump, comprising a speed-increasing box body 8;

[0023] The speed-increasing box body 8 is fixedly connected with a speed-increasing box cover 6 at the left end, an input shaft 1 is rotatably connected between the speed-increasing box cover 6 and the upper end of the speed-increasing box body 8, a speed-increasing first-stage gear 7 is rotatably connected to the middle part of the input shaft 1, a speed-increasing second-stage gear 3 and a speed-increasing third-stage driving gear 4 are rotatably connected in sequence from top to bottom between the middle part of the speed-increasing box cover 6 and the upper end of the speed-increasing box body 8, an output shaft 11 is rotatably connected between the lower end of the speed-increasing box cover 6 and the speed-increasing box body 8, a speed-increasing third-stage driven gear 5 is rotatably connected to the middle part of the input shaft 1, the speed-increasing first-stage gear 7 is meshingly connected with the gear at the left end of the speed-increasing second-stage gear 3, the gear at the right end of the speed-increasing second-stage gear 3 is meshingly connected with the gear at the left end of the speed-increasing third-stage driving gear 4, the gear at the right end of the speed-increasing third-stage driving gear 4 is meshingly connected with the speed-increasing third-stage driven gear 5, a water pump body 9 is fixedly connected to the right side surface of the speed-increasing box body 8, an axial-flow impeller 12 is fixedly sleeved to the right end of the output shaft 11, the axial-flow impeller 12 is located inside the water pump body 9, a water inlet assembly 13 is fixedly connected to the right side surface of the water pump body 9, an input end water seal 2 is movably sleeved to the left end of the input shaft 1, the input end water seal 2 is located inside the connecting port of the speed-increasing box cover 6, an output end water seal 10 is movably sleeved to the right end of the output shaft 11, the output end water seal 10 is located between the water pump body 9 and the speed-increasing box cover 6, a gasket is movably sleeved to the right end of the output shaft 11, and the gasket is located between the output end water seal 10 and the speed-increasing box cover 6. When the vehicle is flooded, the vehicle motor works to drive the input shaft 1 to rotate, the speed-increasing first-stage gear 7, the speed-increasing second-stage gear 3, the speed-increasing third-stage driving gear 4 and the speed-increasing third-stage driven gear 5 are driven, and then the axial-flow impeller 12 starts to work, so that the water in the vehicle is transported to the water outlet of the water pump body 9 through the water inlet assembly 13, and then is sprayed to the outside of the vehicle body through the vehicle pipeline, thereby realizing the function of draining water from the vehicle.

[0024] The working principle of the combined mechanical pump is as follows: during assembly, the input end water seal 2 and the input shaft 1 are first assembled into the inside of the speed increasing box cover 6, and at the same time, the speed increasing first gear 7, the speed increasing second gear 3, the speed increasing third driving gear 4, the speed increasing third driven gear 5, the gasket, the output end water seal 10 and the output shaft 11 are sequentially assembled into the speed increasing box body 8 through the gear shaft and the bearing, then the speed increasing box body 8 and the speed increasing box cover 6 are fixedly connected through bolts, then the water pump body 9, the axial flow impeller 12 and the water inlet assembly 13 are sequentially installed, the installation is completed, when the vehicle is flooded, the vehicle motor works to drive the input shaft 1 to rotate, the speed increasing first gear 7, the speed increasing second gear 3, the speed increasing third driving gear 4 and the speed increasing third driven gear 5 are driven, and then the axial flow impeller 12 starts to work, the water in the vehicle is transported to the water outlet of the water pump body 9 through the water inlet assembly 13 and is sprayed to the outside of the vehicle body through the vehicle pipeline, the function of vehicle drainage is realized, and the double sealing structure of the output end water seal 10 and the input end water seal 2 guarantees the sealing performance of the whole inside of the speed increasing box body 8 and the speed increasing box cover 6.

[0025] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A combination mechanical pump characterized by: The speed increasing box body (8) is provided with a speed increasing box cover (6) fixedly connected to the left end of the speed increasing box body (8). The speed increasing box cover (6) and the upper end of the speed increasing box body (8) are rotatably connected with an input rotating shaft (1), the middle part of the input rotating shaft (1) is rotatably connected with a first speed increasing gear (7), the middle part between the speed increasing box cover (6) and the upper end of the speed increasing box body (8) is rotatably connected with a second speed increasing gear (3) and a third speed increasing driving gear (4) from top to bottom, the lower end of the speed increasing box cover (6) and the speed increasing box body (8) are rotatably connected with an output rotating shaft (11), the middle part of the input rotating shaft (1) is rotatably connected with a third speed increasing driven gear (5), the first speed increasing gear (7) is meshingly connected with the gear at the left end of the second speed increasing gear (3), the gear at the right end of the second speed increasing gear (3) is meshingly connected with the gear at the left end of the third speed increasing driving gear (4), and the gear at the right end of the third speed increasing driving gear (4) is meshingly connected with the third speed increasing driven gear (5).

2. A combination mechanical pump according to claim 1, wherein: The right side of the speed increasing box body (8) is fixedly connected with a water pump body (9).

3. A combination mechanical pump according to claim 2, wherein: The right end of the output rotating shaft (11) is fixedly sleeved with an axial flow impeller (12), and the axial flow impeller (12) is located in the inside of the water pump body (9).

4. A combination mechanical pump according to claim 2, wherein: The right side of the water pump body (9) is fixedly connected with a water inlet assembly (13).

5. A combination mechanical pump according to claim 1, wherein: The left end of the input rotating shaft (1) is movably sleeved with an input end water seal (2), and the input end water seal (2) is located in the connecting port of the speed increasing box cover (6).

6. A combination mechanical pump according to claim 2, wherein: The right end of the output rotating shaft (11) is movably sleeved with an output end water seal (10), and the output end water seal (10) is located between the water pump body (9) and the speed increasing box cover (6).

7. A combination mechanical pump according to claim 6, wherein: The right end of the output rotating shaft (11) is movably sleeved with a gasket, and the gasket is located between the output end water seal (10) and the speed increasing box cover (6).