Adhesive applicator for aerospace
By designing a combination of storage tube, application structure, and airbag, the problem of adhesive solidification at the shaft was solved, resulting in an applicator that is easy to clean and has good sealing properties, ensuring the efficient use of the adhesive applicator.
Patent Information
- Application Number
- CN202520006674.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In existing aerospace adhesive application devices, the adhesive tends to solidify at the rotating shaft, making cleaning difficult and affecting the performance in subsequent uses.
An applicator was designed, comprising a storage tube, an application structure, an air bladder, and a nozzle. The air bladder is inflated to remove residual adhesive and prevent clogging, while a sealing ring and piston structure ensure a tight seal. A heating element is used to prevent the adhesive from solidifying.
It effectively cleans residual adhesive, prevents nozzle and connecting tube blockage, ensures the applicator's effectiveness and sealing, and improves the convenience of future use.
Smart Images

Figure CN223747918U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to adhesive applicator technical field especially relates to an adhesive applicator for aerospace. BACKGROUND
[0002] In the field of aerospace, adhesives are widely used in the bonding of composite materials, the assembly of structural components, and the repair of parts and components due to their light weight, high strength, corrosion resistance, and excellent sealing performance. Compared with traditional mechanical fastening methods, adhesives can effectively reduce the weight of the structure, improve the overall strength, and avoid stress concentration and metal fatigue problems. When using adhesives, an applicator is needed to apply the adhesive.
[0003] The existing adhesive applicator (publication number: CN214637736U) has at least the following disadvantages: Although the above-mentioned device applies adhesive through a rotating shaft, the adhesive is prone to solidification at the rotating shaft after use and is not easy to clean, which affects the next use, resulting in poor adhesive application effect. Therefore, we propose the present utility model. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides an adhesive applicator for aerospace.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An adhesive applicator for aerospace, comprising a storage tube, one end of the storage tube is provided with an application structure, the application structure comprises a discharge hole opened at one end of the storage tube, one end of the storage tube is fixed with a mounting block, two fixing holes are opened on one side of the mounting block, the right side fixing hole is communicated with the discharge hole, a fitting plate is slidably arranged on one side of the mounting block, two discharge holes are opened on one side of the fitting plate, the left side discharge hole is communicated with the right side fixing hole.
[0007] As a further scheme of the utility model, a connecting pipe is threadedly connected inside the left side discharge hole, a nozzle is threadedly connected to one end of the connecting pipe, a gas outlet pipe is fixedly communicated with the left side fixing hole, a gas bag is fixedly communicated at one end of the gas outlet pipe, an air inlet pipe is fixedly communicated at one side of the gas bag, and a one-way valve is fixedly communicated with the gas outlet pipe and the air inlet pipe.
[0008] As a further scheme of the utility model, a sealing ring is fixedly arranged inside the right side fixing hole, the inner diameter of the sealing ring is smaller than the pipe diameter of the connecting pipe, and the outer diameter of the sealing ring is larger than the outer diameter of the connecting pipe.
[0009] As a further scheme of the utility model, the inside of the storage tube is slidably provided with a piston, one side of the piston is fixed with an electric push rod, the electric push rod is fixed with the inner wall of the storage tube on one side, and the other end of the storage tube is fixedly connected with a fixed tube.
[0010] As a further scheme of the utility model, the inner wall of the discharge hole on the right side is threadedly connected with a bolt, one end of the bolt is fixed with a blocking piece, the blocking piece corresponds to the shape of the discharge hole, and when the discharge hole on the left side is away from the fixed hole on the right side, the discharge hole on the right side is communicated with the fixed hole on the right side.
[0011] As a further scheme of the utility model, the inside of the storage tube is slidably provided with a piston, one side of the piston is fixed with an electric push rod, the electric push rod is fixed with the inner wall of the storage tube on one side, and the other end of the storage tube is fixedly connected with a fixed tube.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The applicator, through the setting of the smearing structure, the adhesive in the storage tube enters the fixed hole on the right side through the discharge hole, and is discharged and smeared through the discharge hole on the left side, the connecting pipe and the nozzle, after smearing is completed, the sliding abutting plate is slid, the discharge hole on the left side is communicated with the fixed hole on the left side, the air bag is pressed, and the residual adhesive in the nozzle and the connecting pipe is sprayed out, so that the residual adhesive is cleaned, the adhesive is prevented from causing the nozzle and the connecting pipe to be blocked, the next use of the staff is facilitated, the use effect of the applicator is improved, and the smearing effect of the applicator is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A structure schematic view of the adhesive applicator for aerospace is provided for the utility model;
[0015] Figure 2 A split structure schematic view of the adhesive applicator for aerospace is provided for the utility model;
[0016] Figure 3 A split structure schematic view of the storage tube of the adhesive applicator for aerospace is provided for the utility model;
[0017] Figure 4 A split structure schematic view of the mounting block of the adhesive applicator for aerospace is provided for the utility model.
[0018] In the figure: 1, storage pipe; 101, discharge hole; 102, mounting block; 103, fixing hole; 104, fitting plate; 105, discharge hole; 106, connecting pipe; 107, nozzle; 108, air outlet pipe; 109, air bag; 110, air inlet pipe; 111, one-way valve; 2, sealing ring; 3, piston; 301, electric push rod; 302, fixed tube; 4, plugging block; 5, heating sheet; 501, battery; 502, feed hole. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the following will further describe the present application in combination with specific embodiments.
[0020] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the present application. The devices or elements indicated or implied must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium; can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] REFERENCE Figures 1-4 A kind of applicator of aerospace adhesive, including storage pipe 1, one end of the storage pipe 1 is provided with smearing structure, smearing structure includes the discharge hole 101 being opened in the one end of storage pipe 1, the one end of storage pipe 1 is fixed with mounting block 102, two fixed holes 103 are opened in the one side of mounting block 102, right side fixed hole 103 is communicated with discharge hole 101, fitting plate 104 is slidably arranged in the one side of mounting block 102, two discharge holes 105 are opened in the one side of fitting plate 104, left side discharge hole 105 is communicated with right side fixed hole 103.
[0023] In the embodiment, the left side of the discharge hole 105 is internally threaded with a connecting pipe 106, one end of the connecting pipe 106 is threaded with a nozzle 107, the left side of the fixed hole 103 is communicated and fixed with an air outlet pipe 108, one end of the air outlet pipe 108 is communicated and fixed with an air bag 109, one side of the air bag 109 is communicated and fixed with an air inlet pipe 110, the air outlet pipe 108 and the air inlet pipe 110 are both communicated and fixed with a one-way valve 111, the one-way valve 111 is a prior art, so that the air inlet pipe 110 can only inlet and the air outlet pipe 108 can only outlet, through the setting of the smearing structure, when the staff smears, the adhesive in the storage pipe 1 enters the right side of the fixed hole 103 through the discharge hole 101, and is discharged and smeared through the left side of the discharge hole 105, the connecting pipe 106 and the nozzle 107, after smearing is completed, the staff slides the fitting plate 104, so that the left side of the discharge hole 105 is communicated with the left side of the fixed hole 103, then the air bag 109 is repeatedly pressed, the air bag 109 injects gas into the left side of the fixed hole 103 and the left side of the discharge hole 105 through the air inlet pipe 110, the gas sprays the residual adhesive in the nozzle 107 and the connecting pipe 106, so as to clean the residual adhesive, prevent the adhesive from causing blockage of the nozzle 107 and the connecting pipe 106, facilitate the staff to use next time, thereby improving the applicator use effect and ensuring the smearing effect of the applicator.
[0024] In the embodiment, the right side of the fixed hole 103 is internally fixed with a sealing ring 2, the inner diameter of the sealing ring 2 is smaller than the pipe diameter of the connecting pipe 106, the outer diameter of the sealing ring 2 is greater than the outer diameter of the connecting pipe 106, the sealing ring 2 is made of rubber material, when the adhesive is discharged, the staff twists the connecting pipe 106, so that the connecting pipe 106 is deeply inserted into the fixed hole 103, and one end of the connecting pipe 106 abuts and extrudes one side of the sealing ring 2, thereby ensuring the sealing property when the adhesive is discharged, and preventing the adhesive from leaking between the fitting plate 104 and the mounting block 102.
[0025] In the embodiment, the inside of the storage pipe 1 is slidably provided with a piston 3, one side of the piston 3 is fixed with an electric push rod 301, the electric push rod 301 is fixed with the inner wall of the storage pipe 1, the other end of the storage pipe 1 is communicated and fixed with a fixed pipe 302, when the adhesive is discharged, the electric push rod 301 pushes the piston 3 to move towards the discharge hole 101, so that the adhesive is pushed and discharged, and the fixed pipe 302 ensures the gas circulation in the storage pipe 1 when the piston 3 moves.
[0026] The inner wall of the discharge hole 105 on the right side is threadedly connected with a bolt, one end of the bolt is fixed with a blocking piece 4, the blocking piece 4 corresponds to the shape of the discharge hole 101, when the discharge hole 105 on the left side is away from the fixed hole 103 on the right side, the discharge hole 105 on the right side is communicated with the fixed hole 103 on the right side, the bolt is rotated to enter the fixed hole 103 on the right side, and the blocking piece 4 enters the discharge hole 101 to seal and store the adhesive in the storage tube 1.
[0027] In the embodiment, the inside of the storage tube 1 has a plurality of heating pieces 5, the top surface of the storage tube 1 is fixed with a storage battery 501, the storage battery 501 is electrically connected with the heating pieces 5 and the electric push rod 301, one side of the storage tube 1 is provided with a feeding hole 502, the feeding hole 502 is threadedly connected with a hole cover, and the heating pieces 5 can prevent the adhesive from solidifying in the storage tube 1.
[0028] Working principle: in use, when the worker performs coating, the adhesive in the storage tube 1 enters the fixed hole 103 on the right side through the discharge hole 101 on the right side, and is discharged and coated through the discharge hole 105 on the left side, the connecting pipe 106 and the nozzle 107, after the coating is completed, the worker slides the fitting plate 104 to communicate the discharge hole 105 on the left side with the fixed hole 103 on the left side, then repeatedly presses the air bag 109, the air bag 109 injects gas into the fixed hole 103 on the left side and the discharge hole 105 on the left side through the air inlet pipe 110, the gas sprays the residual adhesive in the nozzle 107 and the connecting pipe 106, so as to clean the residual adhesive, prevent the adhesive from blocking the nozzle 107 and the connecting pipe 106, and facilitate the worker to use next time, when the adhesive is discharged, the worker twists the connecting pipe 106 to make the connecting pipe 106 deeply enter the fixed hole 103, so that one end of the connecting pipe 106 abuts against and extrudes one side of the sealing ring 2, thereby ensuring the sealing performance when the adhesive is discharged, preventing the adhesive from leaking between the fitting plate 104 and the mounting block 102, when the adhesive is discharged, the electric push rod 301 pushes the piston 3 to move towards the discharge hole 101, so that the adhesive is pushed and discharged, the fixed tube 302 ensures the gas circulation in the storage tube 1 when the piston 3 moves, when the discharge hole 105 on the left side is away from the fixed hole 103 on the right side, the discharge hole 105 on the right side is communicated with the fixed hole 103 on the right side, the bolt is rotated to enter the fixed hole 103 on the right side, and the blocking piece 4 enters the discharge hole 101 to seal and store the adhesive in the storage tube 1, and the heating pieces 5 can prevent the adhesive from solidifying in the storage tube 1.
[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.
Claims
1. An applicator of aerospace adhesive comprising a reservoir tube (1), characterized in that: One end of the storage tube (1) is provided with a coating structure, which includes a discharge hole (101) at one end of the storage tube (1). One end of the storage tube (1) is fixed with a mounting block (102). Two fixing holes (103) are opened on one side of the mounting block (102). The fixing hole (103) on the right side is connected to the discharge hole (101). A bonding plate (104) is slidably provided on one side of the mounting block (102). Two discharge holes (105) are opened on one side of the bonding plate (104). The discharge hole (105) on the left side is connected to the fixing hole (103) on the right side.
2. An applicator of aerospace adhesive according to claim 1, characterized in that, The discharge hole (105) located on the left side is threaded with a connecting pipe (106), and one end of the connecting pipe (106) is threaded with a nozzle (107). The fixing hole (103) located on the left side is connected to and fixed with an air outlet pipe (108). One end of the air outlet pipe (108) is connected to and fixed with an airbag (109). One side of the airbag (109) is connected to and fixed with an air inlet pipe (110). Both the air outlet pipe (108) and the air inlet pipe (110) are connected to and fixed with a one-way valve (111).
3. An applicator of aerospace adhesive according to claim 2, characterized in that, A sealing ring (2) is fixed inside the fixing hole (103) on the right side. The inner diameter of the sealing ring (2) is smaller than the diameter of the connecting pipe (106), and the outer diameter of the sealing ring (2) is larger than the outer diameter of the connecting pipe (106).
4. An applicator of aerospace adhesive according to claim 3, characterized in that, A piston (3) is slidably installed inside the storage tube (1). An electric push rod (301) is fixed on one side of the piston (3). The electric push rod (301) is fixed to one side of the inner wall of the storage tube (1). A fixing tube (302) is connected to the other end of the storage tube (1).
5. An applicator of aerospace adhesive according to claim 4, characterized in that, The inner wall of the discharge hole (105) located on the right side is threaded with a bolt, and a sealing block (4) is fixed at one end of the bolt. The sealing block (4) corresponds to the shape of the discharge hole (101). When the discharge hole (105) located on the left side leaves the fixing hole (103) located on the right side, the discharge hole (105) located on the right side communicates with the fixing hole (103) located on the right side.
6. An applicator of aerospace adhesive according to claim 5, characterized in that, The storage tube (1) has several heating elements (5) inside. A battery (501) is fixed on the top surface of the storage tube (1). The battery (501) is electrically connected to the heating elements (5) and the electric push rod (301). A feed hole (502) is opened on one side of the storage tube (1). The feed hole (502) is threaded with a hole cover.
Citation Information
Patent Citations
Adhesive smearing device
CN214637736U