CN215157232U - Spray gun - Google Patents

Spray gun Download PDF

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Publication number
CN215157232U
CN215157232U CN202120435171.2U CN202120435171U CN215157232U CN 215157232 U CN215157232 U CN 215157232U CN 202120435171 U CN202120435171 U CN 202120435171U CN 215157232 U CN215157232 U CN 215157232U
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CN
China
Prior art keywords
cavity
wrench
plate
seat
connecting rod
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Active
Application number
CN202120435171.2U
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Chinese (zh)
Inventor
林添大
杨伟权
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Zhongshan Luencheong Dispensing Pump Ltd
Original Assignee
Zhongshan Luencheong Dispensing Pump Ltd
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Publication date
Application filed by Zhongshan Luencheong Dispensing Pump Ltd filed Critical Zhongshan Luencheong Dispensing Pump Ltd
Priority to CN202120435171.2U priority Critical patent/CN215157232U/en
Application granted granted Critical
Publication of CN215157232U publication Critical patent/CN215157232U/en
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Abstract

A spray gun comprises a shell, a base frame, a piston, a connecting rod, a wrench, an elastic element, a one-way valve and a thread, wherein the wrench is provided with a curved supporting groove, a cylindrical seat with an opening at one end and a spherical cavity arranged in the cylindrical seat, and the cylindrical seat is provided with an axial hole which is communicated with the wall thickness on a diameter line; the piston is provided with a spherical cavity, and two ends of the connecting rod are provided with ball heads; one ball head of the connecting rod is in running fit with a ball head cavity on the piston, the ball head at the other end of the connecting rod is embedded with a ball head cavity on the wrench, and the rod part is matched with the cylindrical seat; and the circular arc-shaped driven end is in running fit with the supporting curved-surface-shaped groove on the wrench. The ball heads at the two ends of the connecting rod are respectively matched with the spherical cavity on the piston and the spherical cavity on the wrench, compared with the prior art, one part is reduced, the structure is simplified, the assembly is convenient, and the cost is reduced.

Description

Spray gun
Technical Field
The utility model relates to a liquid spray gun.
Background
In the prior art, a spray gun comprises a shell, a base frame, a piston, a hinge seat, a connecting rod, a wrench, an elastic part, a one-way valve and a screw thread, wherein the shell comprises a side opening and a connecting hole arranged on a bottom plate; the elastic part comprises an arc-shaped seat part, a bending elastic part and an arc-shaped driven end arranged at the bending suspension end, and the bending elastic part is provided with a cavity avoiding cavity; the through hole on the screw thread top plate is connected with the connecting part of the base, and the wrench is in running fit with the half shaft; the connecting rod is matched with the piston and the wrench, and the one-way valve is arranged in the one-way valve seat cavity; the arc-shaped seat part of the elastic part is connected with the fixed seat on the base, and the arc-shaped driven end is connected with the wrench. The piston is fixed with the hinged seat, and the connecting rod is in running fit with the hinged seat. There are problems in that: the structure is complicated, the cost is high, and the assembly is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the spray gun has the characteristics of simple structure, convenience in assembly and low cost.
The utility model discloses a realize like this: a spray gun comprises a shell, a base frame, a piston, a connecting rod, a wrench, an elastic piece, a one-way valve and a screw thread, wherein the shell comprises a side opening and a connecting hole arranged on a bottom plate; the elastic part comprises an arc-shaped seat part, a bending elastic part and an arc-shaped driven end arranged at the bending suspension end, and the bending elastic part is provided with a cavity avoiding cavity; the through hole on the screw thread top plate is connected with the connecting part of the base, and the wrench is in running fit with the half shaft; the connecting rod is matched with the piston and the wrench, and the one-way valve is arranged in the one-way valve seat cavity; the arc-shaped seat part of the elastic part is connected with the fixed seat on the base, and the arc-shaped driven end is connected with the wrench; it is characterized in that: the wrench is provided with a supporting curved-surface groove, a cylindrical seat with an opening at one end and a spherical cavity arranged in the cylindrical seat, and the cylindrical seat is provided with an axial hole which is communicated with the wall thickness on a diameter line;
the piston is provided with a spherical cavity, and two ends of the connecting rod are provided with ball heads;
one ball head of the connecting rod is in running fit with a ball head cavity on the piston, the ball head at the other end of the connecting rod is embedded with a ball head cavity on the wrench, and the rod part is matched with the cylindrical seat; and the circular arc-shaped driven end is in running fit with the supporting curved-surface-shaped groove on the wrench.
The spray gun is characterized in that: a limiting plate is arranged on the outer circumferential surface of the one-way valve seat cavity of the base frame, a longitudinal supporting plate and a pin plate arranged on the longitudinal supporting plate are arranged at the top of the liquid outlet channel, and a clasp is arranged at the end part of the pin plate;
a connecting seat is arranged on a top plate of the shell, and a pin plate cavity, a longitudinal groove and a buckling position arranged at the end part of the longitudinal groove are arranged on the connecting seat;
the limiting plate is matched with the inner surface of the bottom plate of the shell, the pin plate is inserted into the pin plate cavity, and the clasp is buckled with the clasp position.
The spray gun is characterized in that: positioning plates are arranged on two side walls of the shell,
the locating plate is matched with the end part of the half shaft.
The spray gun is characterized in that: the liquid outlet channel of the base is provided with a supporting limiting plate along the length direction, and the top of the bending elastic part is matched with the supporting limiting plate.
The utility model relates to a spray gun, owing to adopt such structure, the bulb at the both ends of connecting rod respectively with spherical chamber on the piston and the spherical chamber cooperation on the spanner, compare with prior art, reduced a part, simplified the structure, convenient assembling, the cost is reduced.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a front view of the present invention with the outer shell removed.
Fig. 4 is a perspective view of the present invention with the outer casing removed.
Fig. 5 is one of exploded perspective views of the present invention.
Fig. 6 is a second exploded perspective view of the present invention.
Fig. 7 is a third exploded perspective view of the present invention.
Fig. 8 is a fourth exploded perspective view of the present invention.
Fig. 9 is a perspective sectional view of the housing of the present invention.
Fig. 10 is a perspective view of the wrench of the present invention.
Fig. 11 is a perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a spray gun comprises a shell 1, a base frame 2, a piston 3, a connecting rod 4, a wrench 5, a one-way valve 6, a thread 7 and a nozzle assembly, wherein the shell 1 comprises a side opening 11 and a connecting hole 12 arranged on a bottom plate, the base frame 2 comprises a base 21, a one-way valve seat cavity 22, a liquid outlet channel 23 arranged on the top, a cylinder 24 arranged on the lower part of the liquid outlet channel and communicated with the one-way valve seat cavity, and half shafts 25 arranged on two sides of the liquid outlet channel; the through hole on the top plate of the screw thread 7 is connected with the connecting part 211 of the base 21, and the wrench 5 is in running fit with the half shaft 25; the connecting rod 4 is matched with the piston 3 and the wrench 5, and the one-way valve 6 is arranged in the one-way valve seat cavity 22; the nozzle assembly is communicated with the liquid outlet channel 23;
a fixed seat 212 is arranged on the base 21;
the wrench 5 is provided with a supporting curved-surface groove 51, a cylindrical seat 52 with an opening at one end and a spherical cavity 53 arranged in the cylindrical seat, and the cylindrical seat 52 is provided with an axial hole 521 which is through the wall thickness on a diameter line;
a spherical cavity is arranged on the piston 3, and two ends of the connecting rod 4 are provided with ball heads;
the elastic part 8 is further included, the elastic part comprises an arc-shaped seat part 81, a bending elastic part 82 and an arc-shaped driven end 83 arranged at the bending suspension end, and the bending elastic part 82 is provided with a cavity avoiding part;
one ball head of the connecting rod 4 is in running fit with a ball head cavity on the piston 3, the ball head at the other end of the connecting rod 4 is embedded with a ball head cavity 53 on the wrench 5, and the rod part is matched with the cylindrical seat 52; the circular arc seat part 81 of the elastic part 8 is connected with the fixed seat 212 on the base 21, and the circular arc driven end 83 is in running fit with the curved supporting groove 51 on the wrench 5; the liquid outlet channel 23 and the cylinder 24 are located in the clearance cavity of the bending elastic part 82, and the circular arc seat part 81 and the fixed seat 212 are embedded in the connecting hole 11 of the shell 1.
A limiting plate 221 is arranged on the outer circumferential surface of the one-way valve seat cavity 22 of the base frame 1, a longitudinal supporting plate 231 and a pin plate 232 arranged on the longitudinal supporting plate are arranged at the top of the liquid outlet channel 23, and a clasp 233 is arranged at the end of the pin plate 232;
a connecting seat 13 is arranged on a top plate of the shell 1, and a pin plate cavity 14, a longitudinal groove 15 and a buckling position 16 arranged at the end part of the longitudinal groove are arranged on the connecting seat 13;
the limit plate 221 is matched with the inner surface of the bottom plate of the shell 1, the pin plate 232 is inserted into the pin plate cavity 14, and the hook 233 is buckled with the buckle position 16. By adopting the structure, during assembly, the base frame 1 is inserted into the shell from the side opening 11 of the shell 1, meanwhile, the pin plate 232 is inserted into the pin plate cavity 14 and the longitudinal support plate 231 is inserted into the longitudinal groove 15 until the clasp is buckled with the clasp, and the bottom plate of the shell 1 is matched with the limit plate 221, so that the assembly is convenient, and the work efficiency is high.
Positioning plates 17 are arranged on two side walls of the shell 1,
the positioning plate 17 is fitted to the end of the half shaft 25.
As the utility model discloses further improve: a supporting limit plate 234 is arranged on the liquid outlet channel 23 of the base 2 along the length direction, and the top of the bending elastic part 82 is matched with the supporting limit plate 234.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.

Claims (4)

1. A spray gun comprises a shell, a base frame, a piston, a connecting rod, a wrench, an elastic piece, a one-way valve and a screw thread, wherein the shell comprises a side opening and a connecting hole arranged on a bottom plate; the elastic part comprises an arc-shaped seat part, a bending elastic part and an arc-shaped driven end arranged at the bending suspension end, and the bending elastic part is provided with a cavity avoiding cavity; the through hole on the screw thread top plate is connected with the connecting part of the base, and the wrench is in running fit with the half shaft; the connecting rod is matched with the piston and the wrench, and the one-way valve is arranged in the one-way valve seat cavity; the arc-shaped seat part of the elastic part is connected with the fixed seat on the base, and the arc-shaped driven end is matched with the wrench; the method is characterized in that: the wrench is provided with a supporting curved-surface groove, a cylindrical seat with an opening at one end and a spherical cavity arranged in the cylindrical seat, and the cylindrical seat is provided with an axial hole which is communicated with the wall thickness on a diameter line;
the piston is provided with a spherical cavity, and two ends of the connecting rod are provided with ball heads;
one ball head of the connecting rod is in running fit with a ball head cavity on the piston, the ball head at the other end of the connecting rod is embedded with a ball head cavity on the wrench, and the rod part is matched with the cylindrical seat; and the circular arc-shaped driven end is in running fit with the supporting curved-surface-shaped groove on the wrench.
2. A spray gun as claimed in claim 1, wherein: a limiting plate is arranged on the outer circumferential surface of the one-way valve seat cavity of the base frame, a longitudinal supporting plate and a pin plate arranged on the longitudinal supporting plate are arranged at the top of the liquid outlet channel, and a clasp is arranged at the end part of the pin plate;
a connecting seat is arranged on a top plate of the shell, and a pin plate cavity, a longitudinal groove and a buckling position arranged at the end part of the longitudinal groove are arranged on the connecting seat;
the limiting plate is matched with the inner surface of the bottom plate of the shell, the pin plate is inserted into the pin plate cavity, and the clasp is buckled with the clasp position.
3. A spray gun as claimed in claim 2, in which: positioning plates are arranged on two side walls of the shell,
the locating plate is matched with the end part of the half shaft.
4. A spray gun as claimed in claim 1, wherein: the liquid outlet channel of the base is provided with a supporting limiting plate along the length direction, and the top of the bending elastic part is matched with the supporting limiting plate.
CN202120435171.2U 2021-02-26 2021-02-26 Spray gun Active CN215157232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120435171.2U CN215157232U (en) 2021-02-26 2021-02-26 Spray gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120435171.2U CN215157232U (en) 2021-02-26 2021-02-26 Spray gun

Publications (1)

Publication Number Publication Date
CN215157232U true CN215157232U (en) 2021-12-14

Family

ID=79412816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120435171.2U Active CN215157232U (en) 2021-02-26 2021-02-26 Spray gun

Country Status (1)

Country Link
CN (1) CN215157232U (en)

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