CN210799209U

CN210799209U - Explosion-proof fuel oil delivery pump

Info

Publication number: CN210799209U
Application number: CN201921560400.2U
Authority: CN
Inventors: 赵春庭
Original assignee: Wenling Bolong Mechanical & Electrical Co ltd
Current assignee: Wenling Bolong Mechanical & Electrical Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-19
Anticipated expiration: 2029-09-19

Abstract

The utility model belongs to the technical field of the delivery pump, especially, relate to an explosion-proof type fuel delivery pump, including the barrel, set up at the pump head of barrel front end, set up the pump head lid of pump head front end, set up the rear end cap in the barrel rear end, the rear end cap top is equipped with the terminal box. The junction box comprises a base with an opening at the top and a cover body matched with the base, and a first sealing ring is arranged between the base and the cover body. Be equipped with a baffle along vertical direction in the base, this baffle separates into component installing zone and inlet wire district with the base, sets up the first through-hole that feeds through component installing zone and inlet wire district on the baffle, is equipped with the second sealing washer on the first through-hole, and the inlet wire hole has been seted up to inlet wire district bottom, is equipped with the third sealing washer on the inlet wire hole. Separate line inlet area and component installation area through the baffle to set up first sealing washer, second sealing washer and third sealing washer, have higher sealed effect, thereby effectively avoid fuel leakage or air to enter into the fuel pump in, reach explosion-proof effect.

Description

Explosion-proof fuel oil delivery pump

Technical Field

The utility model belongs to the technical field of the delivery pump, especially, relate to an explosion-proof type fuel delivery pump.

Background

The fuel oil delivery pump is a machine for delivering fuel oil or pressurizing the fuel oil, delivers high-pressure fuel oil to the fuel distribution pipe to ensure that continuous fuel oil is supplied to the fuel injection nozzle, transmits mechanical energy of a prime motor or other external energy to the fuel oil to increase the energy of the fuel oil, and is suitable for delivering media such as diesel oil, gasoline, fuel oil and the like.

The existing fuel oil delivery pump has poor sealing effect, fuel oil leakage or air entering the interior of the delivery pump is easy to occur in the fuel oil delivery process, so that the fuel oil and the air are mixed, explosion is easy to cause, and great potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art's weak point, and provide a sealed effect better, effectively prevent and treat the fuel and leak and arouse the explosion-proof type fuel delivery pump of explosion.

The utility model aims at solving the problems by the following technical scheme:

the utility model provides an explosion-proof type fuel delivery pump, includes the barrel, sets up at the pump head of barrel front end, sets up the pump head lid of pump head front end, sets up the rear end cap at the barrel rear end, and the rear end cap top is equipped with terminal box, its characterized in that: the junction box comprises a base with an opening at the top and a cover body which is arranged at the top of the base and is matched with the opening of the base in shape, and a first sealing ring is arranged between the base and the cover body;

be equipped with a baffle along vertical direction in the base, this baffle separates into component installing zone and inlet wire district with the base, sets up the first through-hole that feeds through component installing zone and inlet wire district on the baffle, is equipped with the second sealing washer on the first through-hole, and the inlet wire hole has been seted up to inlet wire district bottom, is equipped with the third sealing washer on the inlet wire hole.

Based on the structure, a third sealing ring is arranged in the wire inlet hole; the wire inlet area and the element mounting area are separated through a baffle, and a second sealing ring is arranged on a first through hole which is communicated with the element mounting area and the wire inlet area; simultaneously set up first sealing washer between the base of terminal box and the lid, furthest keeps apart fuel delivery pump inner structure and external inlet wire, has higher sealed effect to effectively avoid fuel leakage or air to enter into the fuel pump, reach explosion-proof effect.

Preferably, the depth of rear end cover is more than 15 mm.

Preferably, the base and the rear end cover are integrally formed.

Preferably, be fixed with magnet on the barrel inner wall, be equipped with the pivot in the barrel and fix the epaxial rotor in the pivot, the pivot front end is fixed with the impeller, is fixed with the blade on the impeller, the impeller is in the pump head, be equipped with carbon brush mechanism in the rear end cap.

Preferably, be equipped with the fixed knot of switch in the component installation district, the switch is fixed to be buckled and is fixed with the switch, is equipped with the switch plectrum on the switch, is fixed with the switch connecting rod on the switch plectrum, the switch connecting rod top is passed the lid and is equipped with the switch piece of bending, and the switch is bent and is equipped with the stock.

Preferably, the bottom of the machine barrel is provided with a footing.

Compared with the prior art the utility model has the following characteristics and beneficial effect:

1. a third sealing ring is arranged in the wire inlet hole; the wire inlet area and the element mounting area are separated through a baffle, and a second sealing ring is arranged on a first through hole which is communicated with the element mounting area and the wire inlet area; simultaneously set up first sealing washer between the base of terminal box and the lid, furthest keeps apart fuel delivery pump inner structure and external inlet wire, has higher sealed effect to effectively avoid fuel leakage or air to enter into the fuel pump, reach explosion-proof effect.

2. The depth of the rear end cover is more than 15mm, so that the air and oil gas can be effectively prevented from being mixed, and explosion is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic view of the structure of the base of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, an explosion-proof fuel delivery pump comprises a cylinder 1, a pump head 2 arranged at the front end of the cylinder 1, a pump head cover 3 arranged at the front end of the pump head 2, a rear end cover 4 arranged at the rear end of the cylinder 1, and a junction box 5 arranged at the top of the rear end cover 4. The junction box 5 comprises a base 6 with an opening at the top and a cover 7 arranged at the top of the base 6 and matched with the opening of the base 6 in shape, and a first sealing ring 8 is arranged between the base 6 and the cover 7.

Be equipped with a baffle 9 along vertical direction in the base 6, this baffle 9 separates base 6 into component installing zone 10 and inlet wire district 11, sets up the first through-hole 12 that communicates component installing zone 10 and inlet wire district 11 on the baffle 9, is equipped with second sealing washer 13 on the first through-hole 12, and inlet wire 14 has been seted up to inlet wire district 11 bottom, is equipped with third sealing washer 15 on the inlet wire 14.

A third sealing ring 15 is arranged at the wire inlet hole 14; the wire inlet area 11 is separated from the element mounting area 10 through a baffle 9, and a second sealing ring 13 is arranged on a first through hole 12 which is communicated with the element mounting area 10 and the wire inlet area 11; meanwhile, a first sealing ring 8 is arranged between the base 6 and the cover body 7 of the junction box 5, so that the internal structure of the fuel oil delivery pump is isolated from the external inlet wire to the greatest extent, and the high sealing effect is achieved, thereby effectively avoiding fuel oil leakage or air entering the fuel oil pump and achieving the anti-explosion effect.

Preferably, the depth of the rear end cover is more than 15mm, so that air and oil gas can be effectively prevented from being mixed, and explosion is avoided.

Preferably, the base 6 and the rear end cap 4 are integrally formed.

Preferably, a magnet 28 is fixed on the inner wall of the machine barrel 1, a rotating shaft 16 and a rotor 17 fixed on the rotating shaft 16 are arranged in the machine barrel 1, an impeller 18 is fixed at the front end of the rotating shaft 16, a blade 19 is fixed on the impeller 18, the impeller 18 is located in the pump head 2, and a carbon brush mechanism 20 is arranged in the rear end cover 4.

Preferably, a switch fixing buckle 21 is arranged in the element mounting area 10, a switch 22 is fixed on the switch fixing buckle 21, a switch shifting piece 23 is arranged on the switch 22, a switch connecting rod 24 is fixed on the switch shifting piece 23, the top of the switch connecting rod 24 penetrates through the cover body 7 and is provided with a switch bending piece 25, and a gun stock 26 is arranged on the switch bending piece 25.

Preferably, the bottom of the machine barrel 1 is provided with a foot 27.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an explosion-proof type fuel delivery pump, includes the barrel, sets up at the pump head of barrel front end, sets up the pump head lid of pump head front end, sets up the rear end cap at the barrel rear end, and the rear end cap top is equipped with terminal box, its characterized in that: the junction box comprises a base with an opening at the top and a cover body which is arranged at the top of the base and is matched with the opening of the base in shape, and a first sealing ring is arranged between the base and the cover body;

2. An explosion proof fuel delivery pump as set forth in claim 1, wherein: the depth of the rear end cover is more than 15 mm.

3. An explosion-proof fuel delivery pump according to claim 1 or 2, characterized in that: the base and the rear end cover are integrally formed.

4. An explosion-proof fuel delivery pump according to claim 1 or 2, characterized in that: the improved motor is characterized in that a magnet is fixed on the inner wall of the machine barrel, a rotating shaft and a rotor fixed on the rotating shaft are arranged in the machine barrel, an impeller is fixed at the front end of the rotating shaft, blades are fixed on the impeller, the impeller is located in a pump head, and a carbon brush mechanism is arranged in the rear end cover.

5. An explosion-proof fuel delivery pump according to claim 1 or 2, characterized in that: the device comprises a component mounting area and is characterized in that a switch fixing buckle is arranged in the component mounting area, a switch is fixed on the switch fixing buckle, a switch shifting sheet is arranged on the switch, a switch connecting rod is fixed on the switch shifting sheet, the top of the switch connecting rod penetrates through a cover body and is provided with a switch bending piece, and a gun stock is arranged on the switch bending piece.

6. An explosion-proof fuel delivery pump according to claim 1 or 2, characterized in that: the bottom of the machine barrel is provided with a footing.