Glue injection nozzle and glue injection device
By designing the glue injection nozzle and glue injection device, the problems of uneven application of resistance strain gauge and bubbles are solved, and the uniform application of glue and bubble removal are achieved, which improves the accuracy of testing and reduces the detection cost.
Patent Information
- Application Number
- CN202422150352.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-03
AI Technical Summary
During the pasting of the resistor strain gauge, the quick-drying glue is applied unevenly and there are bubbles, resulting in abnormal test data.
A rubber injection nozzle is designed, including a rubber nozzle sleeve and a rubber nozzle body. The rubber output assembly is set at an acute angle with the pressing assembly. The rubber output opening is triangle and has a scraper. The angle of the pressing assembly is 30°-45°, which is used to evenly apply glue and press out bubbles.
It realizes uniform application of glue and bubble removal, improves the testing accuracy of resistance strain gauge, reduces the difficulty of pasting and saves detection costs.
Smart Images

Figure CN223249714U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of glue injection, in particular to a glue injection nozzle and a glue injection device. Background Art
[0002] Resistance strain gauges are typically attached to component surfaces using glue. Quick-drying glue is commonly used, as its quick-drying properties can reduce the time between gauge placement and commissioning. When using quick-drying glue, a drop of glue is first applied to the gauge, and then the gauge is attached to the component surface. This process can lead to uneven glue distribution and the presence of numerous bubbles, which can cause abnormal test data.
[0003] In order to solve the above problems, it is urgently necessary to provide a glue injection nozzle and a glue injection device so that the glue is evenly applied with fewer bubbles, thereby improving the accuracy of the resistance strain gauge test. Utility Model Content
[0004] The purpose of this utility model is to provide a glue injection nozzle and a glue injection device, and the specific technical solutions are as follows:
[0005] A glue injection nozzle comprises a glue nozzle sleeve and a glue nozzle body, wherein the glue nozzle body is arranged on the glue nozzle sleeve; the glue nozzle body comprises a glue discharge component and a pressing component, and the glue discharge component and the pressing component are arranged at an acute angle.
[0006] Furthermore, the glue discharging assembly includes a glue discharging pipe and a glue discharging port, the first end of the glue discharging pipe is connected to the glue nozzle sleeve, and the second end of the glue discharging pipe is connected to the glue discharging port.
[0007] Furthermore, the glue outlet is triangular.
[0008] Furthermore, a scraper is provided on the glue outlet.
[0009] Furthermore, the pressing assembly includes a pressing plate, which is arranged on the nozzle sleeve and is arranged at an acute angle to the first end of the glue outlet pipe.
[0010] Furthermore, the included angle α between the pressing plate and the glue outlet pipe is 30°-45°.
[0011] Furthermore, the nozzle sleeve is provided with an internal thread.
[0012] A glue injection device comprises the glue injection nozzle and a glue injection tube as described above, wherein the glue injection tube is threadedly connected to the glue injection nozzle.
[0013] The application of the technical solution of the utility model has the following beneficial effects:
[0014] (1) The utility model provides a glue injection nozzle, comprising a glue nozzle sleeve and a glue nozzle body, wherein the glue nozzle body is arranged on the glue nozzle sleeve; the glue nozzle body comprises a glue dispensing assembly and a pressing assembly, wherein the glue dispensing assembly and the pressing assembly are arranged at an acute angle. The glue dispensing assembly dispenses glue and applies glue, and the pressing assembly presses the resistance strain gauge coated with glue, thereby expelling excess glue and bubbles, thereby improving the accuracy of the resistance strain gauge test.
[0015] (2) In the present invention, the glue outlet is triangular and is provided with a scraper. While discharging the glue, the scraper is used to spread the glue so that the glue on the resistance strain gauge is evenly distributed.
[0016] (3) In the present invention, the angle α between the pressing plate and the glue outlet pipe is set to 30°-45°, which is convenient for operators to apply glue and press with the pressing plate.
[0017] (4) The present invention also provides a glue injection device, comprising the glue injection nozzle and the glue injection tube as described above, wherein the glue injection tube is threadedly connected to the glue injection nozzle. The glue injection device has a simple structure, is easy to use, and is easy to disassemble and assemble, and is convenient for replacement.
[0018] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 This is a schematic structural diagram of the glue injection nozzle in the embodiment of the present utility model;
[0021] Figure 2 yes Figure 1 Schematic diagram of the middle AA section;
[0022] Figure 3 yes Figure 1 Schematic diagram of the middle BB section;
[0023] Among them, 1. Nozzle sleeve, 2. Nozzle body, 2.1. Glue discharge assembly, 2.1.1. Glue discharge pipe, 2.1.2. Glue outlet, 2.1.3. Scraper, 2.2. Pressing assembly, 2.2.1. Pressing plate. DETAILED DESCRIPTION
[0024] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.
[0025] In the description of the present invention, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "front", "back", "lateral", "longitudinal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0026] Example
[0027] See also Figure 1 This embodiment provides a glue injection nozzle, including a glue nozzle sleeve 1 and a glue nozzle body 2, wherein the glue nozzle body 2 is arranged on the glue nozzle sleeve 1; the glue nozzle body 2 includes a glue discharge component 2.1 and a pressing component 2.2, and the glue discharge component 2.1 and the pressing component 2.2 are arranged at an acute angle.
[0028] See also Figure 1 and Figure 2 The glue discharging component 2.1 includes a glue discharging pipe 2.1.1 and a glue discharging port 2.1.2. The first end of the glue discharging pipe 2.1.1 is connected to the glue nozzle sleeve 1, and the second end of the glue discharging pipe 2.1.1 is connected to the glue discharging port 2.1.2.
[0029] Preferably, the glue outlet 2.1.2 is triangular, and the glue outlet 2.1.2 can also be rectangular or circular.
[0030] See also Figure 2 The glue outlet 2.1.2 is provided with a scraper 2.1.3. When discharging glue, the glue is spread by the scraper 2.1.3 to make the glue on the resistance strain gauge uniform.
[0031] See also Figure 1 and Figure 3 The pressing assembly 2.2 includes a pressing plate 2.2.1, which is mounted on the nozzle sleeve 1 and forms an acute angle with the first end of the glue outlet pipe 2.1.1. This pressing plate 2.2.1 presses the glue-coated strain gauge, removing excess glue and air bubbles, thereby improving the accuracy of strain gauge testing.
[0032] Preferably, the angle α between the pressing plate 2.2.1 and the glue outlet pipe 2.1.1 is 30°-45°, which is convenient for operators to apply glue and press using the pressing plate 2.2.1.
[0033] See also Figure 1 The nozzle sleeve 1 is provided with an internal thread for connecting with the injection pipe.
[0034] The glue injection nozzle provided by the utility model is convenient for on-site testing personnel to use quick-drying glue to stick the resistance strain gauge, reduce bubbles between the resistance strain gauge and the component, help to improve the survival rate of the stuck resistance strain gauge, indirectly reduce the difficulty of sticking the resistance strain gauge, improve the strain gauge sticking efficiency in the testing work, and save testing costs.
[0035] This embodiment also provides a glue injection device, comprising the glue injection nozzle and the glue injection tube, wherein the glue injection tube is threadedly connected to the glue injection nozzle. The glue injection device has a simple structure, is easy to use, and is easy to disassemble and assemble, and is convenient for replacement.
[0036] During specific use, tighten the glue injection nozzle onto the glue injection tube; align the glue injection port with the resistance strain gauge, and slowly squeeze the glue to the side where the resistance strain gauge and the component are in contact. At the same time, use a scraper to evenly spread the glue; use a pressing plate to quickly stick the resistance strain gauge to the surface of the component, and simultaneously squeeze the surface of the resistance strain gauge to expel excess glue and bubbles.
[0037] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A glue injection nozzle, characterized in that: The nozzle body (2) comprises a nozzle sleeve (1) and a nozzle body (2), wherein the nozzle body (2) is arranged on the nozzle sleeve (1); the nozzle body (2) comprises a glue discharge component (2.1) and a pressing component (2.2), wherein the glue discharge component (2.1) and the pressing component (2.2) are arranged at an acute angle.
2. The glue injection nozzle according to claim 1, characterized in that: The glue discharge component (2.1) comprises a glue discharge pipe (2.1.1) and a glue discharge port (2.1.2); a first end of the glue discharge pipe (2.1.1) is connected to the glue nozzle sleeve (1); and a second end of the glue discharge pipe (2.1.1) is connected to the glue discharge port (2.1.2).
3. The glue injection nozzle according to claim 2, characterized in that: The glue outlet (2.1.2) is triangular.
4. The glue injection nozzle according to claim 3, characterized in that: A scraper (2.1.3) is provided on the glue outlet (2.1.2).
5. The glue injection nozzle according to claim 2, characterized in that: The pressing assembly (2.2) comprises a pressing plate (2.2.1), the pressing plate (2.2.1) being arranged on the nozzle sleeve (1), and the pressing plate (2.2.1) and the first end of the glue outlet pipe (2.1.1) being arranged at an acute angle.
6. The glue injection nozzle according to claim 5, characterized in that: The included angle α between the pressing plate (2.2.1) and the glue outlet pipe (2.1.1) is 30°-45°.
7. The glue injection nozzle according to any one of claims 1 to 6, characterized in that: The nozzle sleeve (1) is provided with an internal thread.
8. A glue injection device, characterized in that: It comprises the glue injection nozzle and glue injection tube according to any one of claims 1 to 7, wherein the glue injection tube is threadedly connected to the glue injection nozzle.