CN210875873U

CN210875873U - Pressure-regulating filtering direct-connected sprayer

Info

Publication number: CN210875873U
Application number: CN201921700397.XU
Authority: CN
Inventors: 邱春辉
Original assignee: Taizhou Haohui Electrical Co ltd
Current assignee: Taizhou Haohui Electrical Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-30
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a pressure-regulating filtering direct-connected sprayer, which comprises a box body, a starter, an oil tank, an air filter, a silencer, an igniter and a plunger pump, wherein the starter is arranged in the box body, and the air filter and the silencer are both fixed outside the box body and matched with the starter; the oil tank is arranged outside the box body and is matched with the igniter; the plunger pump is internally provided with a crankshaft, and the crankshaft is in transmission connection with a flywheel in the starter; the pressure regulating device on the plunger pump comprises an air chamber, a pressure regulating valve and a pressure gauge, the air chamber is positioned on the pump body of the plunger pump and is communicated with the interior of the plunger pump, and the pressure regulating valve and the pressure gauge are both connected with the air chamber; the filter assembly on the water outlet of the plunger pump consists of an outer sleeve and an inner filter sleeve, the inner filter sleeve is respectively abutted against the outer sleeve and the water outlet, and a water passing channel is arranged between the inner filter sleeve and the water outlet of the outer sleeve; one end of the outer sleeve is in threaded connection with a water outlet of the plunger pump, and the other end of the outer sleeve is provided with a threaded part in threaded connection with the spray gun. The advantages are that: the utility model discloses job stabilization reaches and can prevent that the spray gun from being stifled.

Description

Pressure-regulating filtering direct-connected sprayer

Technical Field

The utility model belongs to the technical field of the sprayer, especially, relate to a pressure regulating filters associated mode sprayer.

Background

At present, the spraying machines are various in types, most of spraying machines are generally composed of a starter and a plunger pump, the starter and the plunger pump are conventionally connected through a belt, namely, power is transmitted to the plunger pump through the belt after the starter is started, the structure occupies a large space, the belt is easy to wear, and the service life is influenced; in order to overcome the problem, for example, chinese patent No. 201620734200.4 discloses an engine direct-connected power spraying machine, which overcomes the above problem by directly connecting the engine and the plunger pump, but the spraying machine with this structure has no pressure-regulating filtering function, which not only affects the stability of use, but also the impurities in the water easily block the spray gun, which affects the use efficiency.

Disclosure of Invention

The utility model aims at the not enough of above-mentioned prior art existence, provide a pressure regulating and filter associated mode sprayer, it has job stabilization and can prevent that the spray gun from being stifled characteristics.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a pressure-regulating filtering direct-connected sprayer comprises a box body, a starter, an oil tank, an air filter, a silencer, an igniter and a plunger pump, wherein the starter is arranged in the box body, and the air filter and the silencer are fixed outside the box body and are matched with the starter; the oil tank is arranged outside the box body and is matched with the igniter through a pipeline; the plunger pump is internally provided with a crankshaft, and the crankshaft is in transmission connection with a flywheel in the starter; the plunger pump is provided with a pressure regulating device, the pressure regulating device comprises an air chamber, a pressure regulating valve and a pressure gauge, the air chamber is positioned on a pump body of the plunger pump and is communicated with the interior of the plunger pump, the pressure regulating valve is connected with the air chamber, and the pressure gauge is communicated with the air chamber; a water outlet of the plunger pump is provided with a filtering component, the filtering component consists of an outer sleeve and an inner filtering sleeve, one end of the inner filtering sleeve is abutted to the inside of the outer sleeve, the other end of the inner filtering sleeve is abutted to the water outlet, and a water passing channel is arranged between the inner filtering sleeve and the water outlet of the outer sleeve; one end of the outer sleeve is in threaded connection with a water outlet of the plunger pump, and the other end of the outer sleeve is provided with a threaded part in threaded connection with the spray gun.

Preferably, the connection structure of the water inlet connecting piece and the pump body of the plunger pump is as follows: the water inlet connecting piece is provided with a clamping protrusion, the pump body is provided with a steel wire lock catch, a lock hook on the steel wire lock catch is sleeved on the clamping protrusion, and a lock handle on the steel wire lock catch is used for tightening or loosening the lock hook; the pump body and the water inlet connecting piece are provided with blind holes in opposite positions, and the blind holes are connected through elastic pins.

Preferably, the plunger pump further comprises an outer frame, and the plunger pump and the bottom of the box body are fixed in the outer frame.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model is provided with the pressure regulating device and the filtering component, so that the internal pressure can be regulated according to the use requirement, and the work is more stable; meanwhile, the filtering component can filter impurities in water before spraying, so that the impurities are prevented from blocking a spray gun, and the spraying efficiency is improved; the water inlet connecting piece is connected with the pump body through the steel wire lock catch, the structure is connected with the existing bolt, and the water inlet connecting piece is more convenient to mount and dismount.

Drawings

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

Detailed Description

The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.

Example, see figure 1: a pressure-regulating filtering direct-connected sprayer comprises a box body 10, a starter, an oil tank 11, an air filter 12, a silencer 13, an igniter 14, a plunger pump 15 and an outer frame 19, wherein the bottoms of the plunger pump 15 and the box body 10 are fixed in the outer frame 19, and the outer frame 19 is of an open structure, so that supporting rods at two ends of the outer frame 19 can be lifted for moving. The starter is arranged in the box body 10 and can be started by pulling a hand pull on the starter. The air filter 12 and the silencer 13 are fixed outside the box body 10 and are matched with the starter, the air filter 12 can remove particulate impurities in the air, and the silencer 13 can play a role in reducing noise. The fuel tank 11 is provided outside the casing 10 and is adapted to the igniter 14 through a pipe, and the pipe is provided with a carburetor for atomizing the gasoline to facilitate ignition by the igniter. The plunger pump 15 is internally provided with a crankshaft, the crankshaft is in transmission connection with a flywheel in the starter, and the crankshaft can transmit power to a transmission part in the plunger pump 15 through the power drive of the flywheel. The plunger pump 15 is provided with a pressure regulating device, the pressure regulating device comprises an air chamber 20, a pressure regulating valve 21 and a pressure gauge 22, the air chamber 20 is positioned on the pump body of the plunger pump 15 and is communicated with the interior of the plunger pump, the pressure regulating valve 21 is connected with the air chamber 20, and the pressure gauge 22 is communicated with the air chamber 20; in use, the pressure in the air chamber 20 can be adjusted by rotating the pressure regulating valve 21, and the pressure is displayed on the pressure gauge 22, so that the user can adjust the pressure to a proper value, and the operation of the plunger pump 15 is more stable. A filtering component is arranged at the water outlet of the plunger pump 15, the filtering component is composed of an outer sleeve 30 and an inner filtering sleeve, a filter screen is arranged on the peripheral surface of the inner filtering sleeve, one end of the inner filtering sleeve is abutted against the inner part of the outer sleeve 30, the other end of the inner filtering sleeve is abutted against the water outlet, and a water passing channel is arranged between the inner filtering sleeve and the water outlet of the outer sleeve 30; in use, water flow on the water outlet flows into the inner filter sleeve and then flows out of the filter screen on the peripheral surface, the filter screen can filter impurities in water, and a water source flowing out of the filter screen flows to the water outlet of the outer sleeve 30 through the water passage. One end of the outer sleeve 30 is screwed with the water outlet of the plunger pump 15, and the other end thereof is provided with a threaded part 31 screwed with the spray gun, so that after the outer sleeve is connected with the spray gun, the filtered water source can be sprayed by the spray gun.

The plunger pump 15 and the water storage connecting piece 16 thereon are of a split type connecting structure, and the connecting structure is as follows: the water inlet connecting piece 16 is provided with a clamping protrusion 17, the pump body is provided with a steel wire lock catch 18, a lock hook on the steel wire lock catch 18 is sleeved on the clamping protrusion 17, and a lock handle on the steel wire lock catch 18 is used for tightening or loosening the lock hook; blind holes are arranged on the pump body and the water inlet connecting piece 16 and are connected through an elastic pin 40, and the elastic pin 40 is made of rubber. During operation, the latch hook is sleeved in the clamping protrusion 17, the latch handle is pulled to enable the latch hook to be in a tensioned state, at the moment, two ends of the elastic pin 40 are respectively abutted in the blind hole, and the water inlet connecting piece 16 and the pump body are kept in a compressed state; when the water inlet connecting piece 16 needs to be disassembled and cleaned, the lock handle is pulled to enable the lock hook to be separated from the clamping protrusion 17, the water inlet connecting piece 16 can be disassembled from the pump body, and the elastic pin 40 can be taken out of the blind hole to be replaced or cleaned; compared with a bolt connection, the structure is more convenient to use.

The starter and plunger pump 15 is widely used at present, and other structures and principles are the same as those in the prior art, and are not described in detail here.

Claims

1. A pressure-regulating filtering direct-connected sprayer comprises a box body (10), a starter, an oil tank (11), an air filter (12), a silencer (13), an igniter (14) and a plunger pump (15), wherein the starter is arranged in the box body (10), and the air filter (12) and the silencer (13) are fixed outside the box body (10) and are matched with the starter; the oil tank (11) is arranged outside the box body (10) and is matched with the igniter (14) through a pipeline; the plunger pump (15) is internally provided with a crankshaft, and the crankshaft is in transmission connection with a flywheel in the starter; the method is characterized in that: the plunger pump (15) is provided with a pressure regulating device, the pressure regulating device comprises an air chamber (20), a pressure regulating valve (21) and a pressure gauge (22), the air chamber (20) is positioned on the pump body of the plunger pump (15) and communicated with the interior of the plunger pump, the pressure regulating valve (21) is connected with the air chamber (20), and the pressure gauge (22) is communicated with the air chamber (20); a water outlet of the plunger pump (15) is provided with a filtering component, the filtering component consists of an outer sleeve (30) and an inner filtering sleeve, one end of the inner filtering sleeve is abutted to the inside of the outer sleeve (30), the other end of the inner filtering sleeve is abutted to the water outlet, and a water passing channel is arranged between the inner filtering sleeve and the water outlet of the outer sleeve (30); one end of the outer sleeve (30) is in threaded connection with a water outlet of the plunger pump (15), and the other end of the outer sleeve is provided with a threaded part (31) in threaded connection with the spray gun.

2. The pressure-regulating filtering direct-connected sprayer according to claim 1, characterized in that: the connection structure of the water inlet connecting piece (16) of the plunger pump (15) and the pump body is as follows: a clamping protrusion (17) is arranged on the water inlet connecting piece (16), a steel wire lock catch (18) is arranged on the pump body, a lock hook on the steel wire lock catch (18) is sleeved on the clamping protrusion (17), and a lock handle on the steel wire lock catch (18) is used for tightening or loosening the lock hook; blind holes in opposite positions are formed in the pump body and the water inlet connecting piece (16), and the blind holes are connected through elastic pins (40).

3. The pressure-regulating filtering direct-connected sprayer according to claim 1 or 2, characterized in that: the plunger pump is characterized by further comprising an outer frame (19), and the bottoms of the plunger pump (15) and the box body (10) are fixed in the outer frame (19).