Protective device for manual and electric pump
By designing a protective device on the hand pump of heavy-duty vehicles, the problem of the hand pump being susceptible to damage is solved, effective protection and service life are achieved, and the device is lightweight and corrosion-resistant.
Patent Information
- Application Number
- CN202422936868.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Heavy-duty truck hand pumps are easily damaged by harmful substances such as sand, gravel and mud, which can cause damage to the pump body and pipelines and affect the normal operation of the system.
A protective device is designed, which consists of a protective device mounting circular hole plate, an L-shaped metal plate, and a protective device weight-reducing oblong hole plate. The protective device is fixed to the vehicle ladder bracket and the electric pump bracket by screw connection, wrapping the hand pump and the electric pump to prevent contact with harmful substances.
It effectively protects the hand pump and pipelines, extends service life, reduces maintenance costs, and is lightweight and corrosion-resistant.
Smart Images
Figure CN223434469U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heavy truck equipment technical field, especially relates to a hand electric pump protection device, is applied in the cab tilting system of heavy truck. BACKGROUND
[0002] At present, the whole vehicle arrangement space of heavy truck is relatively limited, and considering the system generalization and modularization cooperation, the mainstream tilting system hand electric pump is arranged at the right side of the vehicle ladder, which is close to the ground. At the same time, the driving road condition of heavy truck is complex and changeable, the hand electric pump is subjected to sandstone impact, rainwater immersion, mud and sundry pollution, which is easy to cause hand electric pump shell damage, oil leakage, pipeline accelerated aging and function failure and other problems, finally leading to the cab of the automobile cannot be normally tilted.
[0003] The hand electric pump is provided with a protection device, which can effectively prevent harmful substances such as sandstone mud from damaging the pump body and pipeline, and effectively avoid unnecessary machine loss and pollution. Therefore, it is necessary to provide a hand electric pump protection device. UTILITY MODEL CONTENTS
[0004] The utility model aims at designing a protection device for effectively protecting hand electric pump, which can effectively prevent harmful substances such as sandstone mud from damaging the pump body and pipeline, and the hand electric pump protection device has the characteristics of light weight, low cost, corrosion resistance and high reliability.
[0005] The utility model is realized by the following technical schemes:
[0006] A hand electric pump protection device, comprising a protection device installation round hole plate, an L-shaped metal plate, a protection device weight reduction long round hole plate and a protection device installation long round hole plate,
[0007] The protection device installation round hole plate is connected with the upper edge of the L-shaped metal plate, the protection device weight reduction long round hole plate is located at the lower edge of the L-shaped metal plate, the bending angles of the two and the L-shaped metal plate are all 120° and the bending directions are opposite, the protection device installation long round hole plate is located at the other side of the protection device weight reduction long round hole plate, the bending angles of the two are 90° and the bending directions are the same as the L-shaped metal plate, the protection device installation round hole plate is provided with two round holes for connecting with the ladder support, the protection device installation long round hole plate is provided with two long round holes for connecting with the hand electric pump, and the protection device weight reduction long round hole plate is provided with a protection device weight reduction long round hole.
[0008] The protection device installation round hole plate is rectangular and the end is provided with two round corners.
[0009] The protection device installation long round hole plate is rectangular and the end is provided with two round corners.
[0010] The utility model provides a hand electric pump protection device can shelter sandstone mud and so on harmful substance, be applicable to the assembly of existing mainstream heavy truck hand electric pump arrangement in the car ladder position, be convenient for the maintenance of hand electric pump, and effectively prolong its service life, and this protection device process simple, low cost, have good economic applicability. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the structure schematic diagram of the utility model;
[0012] Fig. 2 It is hand electric pump protection device installation schematic drawing;
[0013] Fig. 3 It is hand electric pump protection device assembly schematic drawing;
[0014] In the drawing: 1-hand electric pump protection device, 1.1-protection device installation round hole, 1.2-protection device installation long round hole, 1.3-protection device weight reduction long round hole, 2-car ladder support, 3-hand pump, 4-electric pump, 5-oil inlet pipe, 6-oil return pipe, 7-electric pump support, 8-protection device installation bolt, 9-protection device installation nut, 10-electric pump installation bolt. DETAILED DESCRIPTION
[0015] As Figs. 1-3As shown, the utility model consists of a piece of metal plate with two protective device installation circular holes 1.1 with a horizontal spacing of 55mm, two protective device installation oblong holes 1.2 with a horizontal spacing of 55mm, three protective device weight reduction oblong holes 1.3 parallel to each other and with a spacing of 25mm, and a 2mm thick metal plate with a cut outline; the metal plate surface where the protective device installation circular holes 1.1 are located is rectangular and has two rounded corners with a radius of 20mm at one end, and the other end is connected to the L-shaped metal plate; the metal plate surface where the protective device installation circular holes 1.3 are located is connected to the L-shaped metal plate at one end The other end is connected to the metal plate surface where the protective device mounting oblong hole 1.2 is located; the metal plate surface where the protective device mounting oblong hole 1.2 is located is rectangular and has two rounded corners with a radius of 20mm at one end; the bending angles of the metal plate surface where the protective device mounting circular hole 1.1 is located, the metal plate surface where the protective device weight-reducing oblong hole 1.3 is located, and the L-shaped metal plate are all 120°, and the bending radius is 10mm; the bending angles of the metal plate surface where the protective device mounting oblong hole 1.2 is located and the metal plate surface where the protective device weight-reducing oblong hole 1.3 is located are 90°, and the bending radius is 10mm. When assembling the hand pump protective device, use two protective device mounting bolts 8 to pass through the protective device mounting circular hole 1.1 and fasten it to the vehicle ladder bracket 2 with two protective device mounting nuts 9; the protective device mounting oblong hole 1.2 and the electric pump bracket 7 share two electric pump mounting bolts 10 that are inserted into the mounting blind hole of the electric pump 4 for fixation; the hand pump 3 and the electric pump 4 are connected to the oil inlet pipe 5 and the oil return pipe 6, and the hand pump 3, the electric pump 4, the oil inlet pipe 5, and the oil return pipe 6 are all wrapped and protected by the hand pump protective device 1.
[0016] The utility model adopts the traditional rib plate manufacturing method. First, a 2mm metal plate with a size that matches the layout space of the flashlight pump is punched with installation holes and weight-reducing holes and the outline is cut. Then, two 120° and one 90° bends are folded with a machete, and it is fixed to the vehicle ladder bracket and the electric pump bracket by screwing.
Claims
1. A hand pump protection device, characterized by: It includes a protective device mounting circular hole plate, an L-shaped metal plate, a protective device weight-reducing oblong hole plate and a protective device mounting oblong hole plate. The protective device mounting circular hole plate is located at the upper edge of the L-shaped metal plate, the protective device weight-reducing oblong hole plate is located at the lower edge of the L-shaped metal plate, the two have a bending angle of 120° with the L-shaped metal plate and the bending direction is opposite, the protective device mounting oblong hole plate is located on the other side of the protective device weight-reducing oblong hole plate, the two have a bending angle of 90° and the bending direction is the same as the L-shaped metal plate, the protective device mounting circular hole plate has two circular holes for connecting to the vehicle ladder bracket, the protective device mounting oblong hole plate has two oblong holes for connecting to the hand pump, and the protective device weight-reducing oblong hole plate has a protective device weight-reducing oblong hole.
2. A hand pump protection device according to claim 1, characterized in that: The protective device installation circular hole plate is rectangular and has two rounded corners at the end.
3. The hand pump protection device according to claim 1, characterized in that: The oblong hole plate for installing the protective device is rectangular and has two rounded corners at the end.