WO2020155687A1

WO2020155687A1 - Manual adhesive gun

Info

Publication number: WO2020155687A1
Application number: PCT/CN2019/112980
Authority: WO
Inventors: 汪海
Original assignee: 南京苏上涂胶技术有限公司
Priority date: 2019-01-31
Filing date: 2019-10-24
Publication date: 2020-08-06
Also published as: CN209663662U

Abstract

A manual adhesive gun, comprising: a gun body, a handle (1), a distributor (2), valve needle (402), a sealing seat (403), a temperature control jack (7), a cylinder (8), a sealing assembly (10), a piston (11), and a control valve (13). The gun body is mounted on the handle, and comprises the cylinder, which is mounted inside the gun body, an adhesive cartridge insertion seat (6) arranged at a top portion of the gun body, and a gun barrel (4) arranged at the other side of the gun body. A cavity (5) is provided inside the adhesive cartridge insertion seat, and the temperature control jack is arranged on an outer side of the cavity. The piston (11) is mounted inside the cylinder, and the valve needle is fixed on one side of the piston. A gun mouth is opened in one end of the gun barrel, and an adhesive channel (401) in communication with the cavity is arranged inside the gun barrel. When inserted into the adhesive channel, the valve needle is near to the gun mouth end and is arranged as a conical body. In the present manual adhesive gun, the cylinder structure is simplified, the weight and volume of the cylinder is reduced, allowing for precise control of the amount of adhesive output and reducing adhesive waste. A temperature control jack is added to implement control of the temperature of the adhesive, improving construction quality.

Description

Manual glue gun

Technical field

The utility model belongs to the field of glue coating equipment, in particular to a manual glue gun.

Background technique

The glue gun is widely used in industry, construction, handicraft and people's home life. Most of the manual glue guns on the right are driven by a cylinder tube. Due to the large volume and heavy weight of the cylinder on the glue gun, the braking performance is difficult to control, which makes the workers have a large operating load during the operation, which is prone to jitter and cannot be accurately controlled. The flow rate and dispensing position of the glue; affect the appearance and construction quality of the glue application. Secondly, the traditional manual glue gun has no heating device and is used in a low temperature environment. Due to the glue bonding, the sizing efficiency is slow and the glue adhesion is weak, resulting in poor sizing quality.

technical problem

The purpose of the utility model is to provide a manual glue gun to solve the above-mentioned problems in the prior art.

Technical solutions

A manual glue gun, including:

The gun body includes: a rear cylinder arranged inside the gun body, a rear cover fixedly installed on one side of the cylinder, a rubber barrel socket on the top of the gun body, and a barrel arranged on the other side of the gun body;

The grip is arranged at the bottom of the gun body, including: a drive button arranged on one side of the grip, a trachea arranged inside the grip, and a distributor arranged on the top of the grip and connected with the trachea;

A cavity is arranged inside the rubber cartridge socket, multiple heating loads are arranged inside the cavity, a temperature control socket is arranged on the outside of the cavity, and a piston is installed inside the cylinder. A valve needle is fixedly installed on one side of the barrel; one end of the barrel is provided with a nozzle; the inside of the barrel is provided with a glue channel communicating with the cavity, the valve needle penetrates the glue channel, and the valve needle is close to One end of the gun nozzle is set as a cone;

The sealing mechanism includes: a sealing seat set inside the gun nozzle, and a sealing assembly sleeved on the piston and valve needle;

A control valve is arranged between the air pipe and the distributor, and the drive button is arranged on one side of the control valve to control the opening and closing of the control valve. When the control valve is opened, compressed air enters the cylinder, and the piston drives the valve rod to move to the right , So as to control the ball valve stem to move to the right.

In a further embodiment, a cylindrical through hole is opened inside the gun nozzle.

In a further embodiment, a tapered sealing ring is provided inside the sealing seat.

In a further embodiment, the tapered surface of the tapered sealing ring is adapted to the tapered body of the valve needle.

In a further embodiment, the seal assembly includes a wear-resistant piston ring provided on one side of the piston and an energy storage sealing ring provided on one side of the wear-resistant piston ring, and the wear-resistant piston ring is made of steel material.

In a further embodiment, the control valve is a two-position three-way control valve, including a spool arranged inside the control valve, a return spring arranged at one end of the spool, and a push rod arranged at one end of the spool. One end of the push rod is provided with a spring.

Beneficial effect

Compared with the traditional technology, the manual glue gun provided by the utility model simplifies the structure of the cylinder, reduces the mass and volume of the cylinder, the driving button can control the opening and closing of the control valve, the amount of compressed air introduced into the cylinder can be manually operated, and the braking performance of the cylinder is accurate. , To smoothly and flexibly drive the opening and closing of the valve needle and the sealing seat, accurately control the amount of glue, reduce the waste of glue; at the same time increase the temperature control socket on the cavity to control the temperature of the glue, and expand the applicability of the manual glue gun Range, improve the quality of construction stickiness.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the manual glue gun of the present invention.

Figure 2 is a cross-sectional view of a manual glue gun according to an embodiment of the present invention.

Figure 3 is a schematic diagram of the structure of the control valve of the present invention.

The reference signs are: grip 1, distributor 2, drive button 3, barrel 4, glue channel 401, valve needle 402, sealing seat 403, cavity 5, glue cartridge socket 6, temperature control socket 7, cylinder 8 , Back cover 9, sealing assembly 10, piston 11, gas joint 12, control valve 13, valve core 1301, return spring 1302.

Embodiments of the invention

In the following description, a lot of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.

A manual glue gun as shown in Figures 1 to 3, including: gun body, grip 1, distributor 2, drive button 3, barrel 4, glue channel 401, valve needle 402, sealing seat 403, cavity 5. Glue cartridge socket 6, temperature control socket 7, cylinder 8, rear cover 9, sealing assembly 10, piston 11, gas joint 12 and control valve 13.

Among them, a metal protective shell is arranged on the outside of the gun body, a plastic protective shell is arranged on the outside of the grip 1, the grip 1 is arranged at the bottom of the gun body, and a drive button 3 is installed on one side of the grip 1. 1 is provided with a trachea, and a distributor 2 is installed at the connection between the grip 1 and the gun body. The distributor 2 connects the air inlet of the cylinder 8 with the air pipe inside the grip 1; the distributor 2, the cylinder 8 and the grip 1 A closed loop is formed between the internal air pipes, and the other end of the distributor 2 is provided with two air connectors 12, and the air connectors 12 are respectively an air inlet and an air outlet.

The gun body is fixedly installed on the grip 1, one side of the gun body is provided with a back cover 9, a cylinder 8 is fixedly installed on one side of the back cover 9, and a piston 11 is inserted inside the cylinder 8, and one side of the piston 11 is fixed A valve needle 402 is installed; the end of the valve needle 402 close to the gun nozzle is set as a cone. The top of the gun body is provided with a rubber barrel mounting socket 6, and the other side of the gun body is provided with a cylindrical barrel 4 protruding outward; the rubber barrel mounting socket 6 is provided with a cavity 5, and the inside of the cavity 5 is provided There are multiple groups of heating loads, the heating loads are composed of several groups of resistance wires, and the outside of the resistance wires is wrapped with a heat-conducting layer. A temperature control socket 7 is provided on one side of the cavity 5, which can be connected with a temperature control plug-in board to heat the gel entering the cavity 5. One end of the barrel 4 is provided with a nozzle; the barrel 4 is provided with a glue channel 401 communicating with the cavity 5, and the valve needle 402 penetrates the glue channel 401.

The sealing mechanism includes: a sealing seat 403 arranged inside the gun nozzle, and a sealing assembly 10 sleeved on the valve needle 402; a conical sealing ring is arranged inside the sealing seat 403. The tapered surface of the tapered sealing ring is adapted to the tapered body of the valve needle 402. The sealing assembly 10 includes a wear-resistant piston 11 ring arranged on one side of the piston 11 and an energy storage sealing ring arranged on one side of the wear-resistant piston 11 ring, and the wear-resistant piston 11 ring is made of steel material.

A control valve 13 is arranged between the air pipe and the distributor 2. The drive button 3 is arranged on one side of the control valve 13 to control the opening and closing of the control valve 13. When the control valve 13 is opened, compressed air enters the cylinder 8 and the piston 11 Drive the valve stem to move to the right, thereby controlling the ball valve stem to move to the right.

working principle:

When in use, the temperature control socket 7 is energized, and the heating load inside the cavity 5 heats the gel in the cavity 5, reduces the viscosity of the gel, and increases the flow rate of the gel in the cavity 5 and the gel channel 401. Compressed air enters the distributor 2 through the air connector 12, and the control valve 13 on the air pipe is normally closed. Press the drive button 3, and the drive button 3 moves to the left, pushing the push rod and at the same time driving the valve core 1301 on the push rod side. Moving to the left, compressed air is introduced into the cylinder 8 through the control valve 13, and the piston 11 drives the valve needle 402 to move to the right to close the sealing seat 403, reducing or intercepting the flow of colloid.

The utility model simplifies the structure of the cylinder 8 and reduces the mass and volume of the cylinder 8. The drive button 3 can control the opening and closing of the control valve 13, and the amount of compressed air introduced into the cylinder 8 can be manually operated. The braking performance of the cylinder 8 is accurate, and the braking performance of the cylinder 8 is stable and flexible. Drive the opening and closing of the valve needle 402 and the sealing seat 403 to accurately control the amount of glue and reduce the waste of glue; at the same time, increase the temperature control socket 7 on the cavity 5 to control the temperature of the glue and expand the scope of application of manual glue guns , Improve the quality of construction stickiness.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship of other indications is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation and The azimuth structure and operation of, therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

The preferred embodiments of the present utility model are described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the specific details in the above-mentioned embodiments. Within the scope of the technical concept of the present utility model, various technical solutions of the present utility model can be made. These equivalent transformations all belong to the protection scope of the present invention.

Claims

A manual glue gun, characterized in that it comprises:

The gun body includes: a rear cylinder arranged inside the gun body, a rear cover fixedly installed on one side of the cylinder, a rubber barrel socket on the top of the gun body, and a barrel arranged on the other side of the gun body;

The grip is arranged at the bottom of the gun body, including: a drive button arranged on one side of the grip, a trachea arranged inside the grip, and a distributor arranged on the top of the grip and connected with the trachea;

A cavity is arranged inside the rubber cartridge socket, multiple heating loads are arranged inside the cavity, a temperature control socket is arranged on the outside of the cavity, and a piston is installed inside the cylinder. A valve needle is fixedly installed on one side of the barrel; one end of the barrel is provided with a nozzle; the inside of the barrel is provided with a glue channel communicating with the cavity, the valve needle penetrates the glue channel, and the valve needle is close to One end of the gun nozzle is set as a cone;

The sealing mechanism includes: a sealing seat set inside the gun nozzle, and a sealing assembly sleeved on the piston and valve needle;

A control valve is arranged between the air pipe and the distributor, and the drive button is arranged on one side of the control valve to control the opening and closing of the control valve. When the control valve is opened, compressed air enters the cylinder, and the piston drives the valve rod to move to the right , So as to control the ball valve stem to move to the right.
The manual glue gun according to claim 1, wherein a cylindrical through hole is opened inside the gun nozzle.
The manual glue gun according to claim 1, wherein a tapered sealing ring is provided inside the sealing seat.
The manual glue gun according to claim 1 or 3, wherein the tapered surface of the tapered sealing ring is adapted to the surface of the tapered body of the valve needle.
The manual glue gun according to claim 1, wherein the sealing assembly includes a wear-resistant piston ring arranged on one side of the piston and an energy storage sealing ring arranged on one side of the wear-resistant piston ring, and The grinding piston ring is made of steel material.
The manual glue gun according to claim 1, wherein the control valve is a two-position three-way control valve, comprising a spool arranged inside the control valve, a return spring arranged at one end of the spool, and A push rod at one end of the valve core, one end of the push rod is provided with a spring.