Glue injection pipe

Abstract

The utility model discloses a glue injection pipe, and aims to solve the problems that the glue injection range of a conventional glue injection pipe is limited, the glue injection efficiency and quality are influenced, and the glue injection pipe cannot be universal. The glue injection pipe comprises a connecting piece, a glue injection hard pipe, a glue injection hose and a glue injection head; the connecting piece is detachably connected with the first end of the glue injection hard pipe, the second end of the glue injection hard pipe is connected with the first end of the glue injection hose, the second end of the glue injection hose is connected with the glue injection head, and the glue injection hose can adjust the glue injection direction of the glue injection head. Through the arrangement, the outlet end of the glue injection hard pipe is connected with the glue injection hose, and the glue injection hose can be freely bent and is used for adjusting the glue injection direction of the glue injection head, so that the glue injection head can complete glue injection to a specified position by adjusting the glue injection hose under the conditions that the glue injection space is narrow and the site is limited, and the glue injection efficiency and the glue injection quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glue injection equipment technical field especially relates to a glue injection pipe. BACKGROUND

[0002] The adhesive is widely used in the automobile manufacturing industry because of excellent strength, toughness and light weight. At present, in the automobile manufacturing industry, the movable glue gun is usually used in the manual glue injection mode. Due to the different shapes of the bonding structure, the flexibility of the glue pipe is challenged. Most of the existing glue pipes are hard straight pipes, which can complete the glue injection task well for simple glue injection area, but if the glue injection is in a narrow inclined space, the operation space is limited, the glue injection operation is difficult, and the glue injection effect is poor. In addition, the conventional glue injection pipe can only be used on the specified type of upper glue injection interface, which is connected with the inlet of the glue injection pipe and is used to deliver the adhesive to the glue injection pipe. The upper glue injection interface needs to be correspondingly matched with the glue injection inlet joint of the glue injection pipe, so the conventional glue injection pipe is difficult to be universal. In addition, the size of the glue injection port of the glue injection pipe cannot be adjusted under normal circumstances, and if it is used in different working scenes, the glue injection pipe needs to be cut, which greatly reduces the glue injection efficiency. SUMMARY

[0003] The utility model aims at providing a glue injection pipe, which aims at solving the problems of limited glue injection range, affecting glue injection efficiency and quality in the conventional glue injection pipe, and the problem that the glue injection pipe cannot be universal.

[0004] To solve the above problems, the utility model provides a glue injection pipe, which comprises a connecting piece, a glue injection hard pipe, a glue injection hose and a glue injection head.

[0005] The connecting piece is detachably connected with the first end of the glue injection hard pipe, the second end of the glue injection hard pipe is connected with the first end of the glue injection hose, the second end of the glue injection hose is connected with the glue injection head, and the glue injection hose can be bent to any angle in the glue injection direction to adjust the glue injection direction of the glue injection head.

[0006] The glue injection head is provided with an adjusting valve, the adjusting valve is located on one side of the second end of the glue injection hose, the adjusting valve is close to the outlet of the glue injection head, and the inner wall diameter of the adjusting valve can be adjusted.

[0007] Preferably, the glue injection pipe further comprises a first fastening member, and the second end of the glue injection hard pipe is detachably connected with the first end of the glue injection hose through the first fastening member.

[0008] Preferably, the glue injection pipe further comprises a second fastening member, and the second end of the glue injection hose is detachably connected with the glue injection head through the second fastening member.

[0009] Preferably, the glue injection head is provided with a limiting groove, and the second fastening member fixes the second end of the glue injection hose on the limiting groove.

[0010] Preferably, the side wall of the outlet of the glue injection head is fixedly connected with the inner wall of the adjusting valve.

[0011] Preferably, the first end of the glue injection hard pipe is provided with a first connecting part, the connecting piece is provided with a second connecting part near one end of the glue injection hard pipe, the glue injection hard pipe passes through the second connecting part, and the outer wall of the first connecting part is attached to the inner wall of the second connecting part.

[0012] Preferably, the top end of the first connecting part is provided with a sealing ring, and the sealing ring is attached to the inner wall of the second connecting part.

[0013] Preferably, the inner wall of the connecting piece is provided with a screw thread, and the screw thread is connected with the upper glue injection interface.

[0014] Preferably, the outer diameter of the second end of the glue injection hard pipe is less than or equal to the inner diameter of the glue injection hose.

[0015] Preferably, the inlet end of the glue injection head is provided with a third connecting part, and the outer diameter of the third connecting part is less than or equal to the inner diameter of the glue injection hose.

[0016] Through such a setting, the glue injection hose is connected to the outlet end of the glue injection hard pipe, the glue injection hose can be freely bent, the glue injection direction of the glue injection head is adjusted, the glue injection head can complete glue injection to a specified position through adjustment of the glue injection hose in the case that the glue injection space is small and the site is limited, and the glue injection efficiency and the glue injection quality are improved; the connecting piece and the glue injection hard pipe are detachably connected, the interface size of the inlet end of the glue injection pipe can be adjusted by switching the connecting piece, so as to adapt to glue injection interfaces of various sizes; the adjusting valve is arranged on the glue injection head, the size of the outlet of the glue injection head can be adjusted, the glue injection range is controlled, and the glue injection effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the glue injection pipe according to an embodiment of the present application;

[0018] Figure 2 is an exploded view of the glue injection pipe according to an embodiment of the present application;

[0019] Figure 3 is a schematic diagram of the structure of the glue injection hose in a bent state according to an embodiment of the present application;

[0020] Figure 4 is a schematic diagram of the structure of the glue injection head according to an embodiment of the present application;

[0021] Figure 5 is a sectional view of the glue injection head according to an embodiment of the present application;

[0022] Figure 6 is a state diagram of the glue injection head according to an embodiment of the present application.

[0023] Reference signs:

[0024] 1, connecting piece; 11, second connecting part;

[0025] 2, glue injection hard pipe; 21, first connecting part;

[0026] 3, glue injection soft pipe;

[0027] 4, glue injection head; 4a, limiting groove; 41, adjusting valve; 42, third connecting part;

[0028] 5, first fastening member; 6, second fastening member; 7, sealing ring. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present application more clear and obvious, the present application will be further described in detail below in conjunction with specific embodiments and reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0030] In the drawings, a layer structure schematic diagram according to an embodiment of the present application is shown. These drawings are not drawn to scale, in which certain details are exaggerated for the purpose of clarity, and certain details can be omitted. The shapes of various regions, layers shown in the drawings and their relative size, positional relationship may deviate due to manufacturing tolerances or technical limitations in practice, and regions / layers with different shapes, sizes, relative positions can be additionally designed by those skilled in the art according to actual needs.

[0031] In the description of the present application, it should be noted that the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In combination Figures 1 to 4 , Figure 1 is a schematic diagram of the overall structure of the glue injection pipe in an embodiment of the present application, Figure 2is an embodiment of the utility model discloses a glue injection pipe explosion chart, the embodiment of the utility model discloses a glue injection pipe includes: connecting piece 1, glue injection hard pipe 2, glue injection hose 3 and glue injection head 4, connecting piece 1 and the first end of detachable connection of glue injection hard pipe 2, the second end of glue injection hard pipe 2 and the first end of glue injection hose 3 are connected, the second end of glue injection hose 3 and glue injection head 4 are connected, glue injection hose 3 can be bent to any angle in the glue injection direction, adjust the glue injection direction of glue injection head 4.Through such setting, connecting piece 1 and glue injection hard pipe 2 are set to detachable connection, can pass through switching connecting piece 1, and then adjust the interface size of glue injection pipe import end to adapt to the glue injection interface of multiple size specifications of upper position.This place does not limit the connecting mode of connecting piece 1 and the glue injection interface of upper position, preferably, set the screw thread in the inner wall of connecting piece 1, the screw thread and the glue injection interface of upper position are connected, and the connecting strength of glue injection pipe and the glue injection interface of upper position can be increased through screw thread connection, and compared with the mode of clamping, the screw thread connection can more ensure the sealing effect between glue injection pipe and the glue injection interface of upper position.This place does not limit the detachable connecting mode of connecting piece 1 and glue injection hard pipe 2, can be screwed, clamped or in specific circumstances can be that connecting piece 1 is set on glue injection hard pipe 2, and the first end of glue injection hard pipe 2 abuts, as long as the first end of glue injection hard pipe 2 can be set detachable connecting piece 1 for connecting with the glue injection interface of upper position.Through the second end of glue injection hard pipe 2, that is, the outlet end of glue injection hard pipe 2 is connected with glue injection hose 3, glue injection hose 3 can be freely bent, for adjusting the glue injection direction of glue injection head 4, can be in the case where the glue injection space is small, the site is limited, through adjusting glue injection hose 3, makes glue injection head 4 complete glue injection to the specified position, compared with the traditional glue injection pipe, the glue injection pipe in the embodiment of the utility model is more convenient to operate, and the glue injection efficiency and the quality of glue injection are improved.This place does not limit the connecting mode of glue injection hard pipe 2 and glue injection hose 3, can be fixedly connected through the setting of the snap ring, can also be bonded, and the positional relationship of the connecting place of glue injection hose 3 and glue injection hard pipe 2 is not limited, in the preferred case, the first end of glue injection hose 3 is set on the second end of glue injection hard pipe 2, and the reliable connection of glue injection hose 3 and glue injection hard pipe 2 is realized by the elasticity of glue injection hose 3.This place does not limit the connecting mode of the second end of glue injection hose 3 and glue injection head 4, can be screwed, clamped or bonded, and in some optional cases, glue injection hose 3 and glue injection head 4 can also be integrally formed.Furthermore, glue injection head 4 is provided with adjusting valve 41, adjusting valve 41 is located on one side of the second end of glue injection hose 3, adjusting valve 41 is close to the outlet of glue injection head 4, and the inner wall caliber of adjusting valve 41 can be adjusted.Adjusting valve 41 can be set on glue injection head 4, and the size of the outlet of glue injection can be adjusted, the glue injection range is controlled, and the glue injection effect is further improved.This place does not limit the specific position of adjusting valve 41, preferably, adjusting valve 41 and limiting groove 4a are adjacent, adjusting groove is set on one side of limiting groove 4a close to the outlet of glue injection head 4, and adjusting valve 41 and the second end of glue injection hose 3 abut.Through the arrangement, the connecting effect of the glue injection hose 3 and the glue injection head 4 can be further improved, and the size of the glue injection outlet can be conveniently adjusted by the adjusting valve 41 at the end of the glue injection hose 3 during the glue injection process. The adjusting mode of the adjusting valve 41 is not limited herein, which can be rotating to adjust the size of the glue injection head 4 outlet or sliding relative to the glue injection head 4 to the inner wall of the glue injection head 4 to adjust the size of the glue injection head 4 outlet.

[0033] In combination Figure 3 , Figure 3 In an embodiment of the utility model, the glue injection hose 3 of the glue injection pipe is in a curved state, and the structure schematic diagram is shown in the figure. The material and length of the glue injection hose 3 are not limited herein, which can be a metal hose or a plastic hose. Optionally, the glue injection hose 3 can also be a polyethylene corrugated pipe, which is convenient for bending operation of the glue injection hose 3. The material and length of the glue injection hard pipe 2 are not limited herein, which can be a metal pipe or a hard plastic pipe, such as a steel pipe, a PVC pipe or a nylon pipe, etc. According to the actual glue injection requirement, the glue injection head 4 can be oriented in multiple directions to complete glue injection.

[0034] In combination Figure 1 And Figure 2 The glue injection pipe further comprises a first fastening member 5, and the second end of the glue injection hard pipe 2 is detachably connected with the first end of the glue injection hose 3 through the first fastening member 5. Through the arrangement, on the one hand, the first fastening member 5 makes the connection between the glue injection hard pipe 2 and the glue injection hose 3 more reliable. In some glue injection cases, the glue injection pipe has a certain internal pressure, and the first fastening member 5 makes the connection between the glue injection hard pipe 2 and the glue injection hose 3 stable during use, which is conducive to the smooth progress of the glue injection work. On the other hand, the two ends of the glue injection hard pipe 2 can be detached, and after the glue injection is completed, the glue injection hose 3 and the glue injection hard pipe 2 can be detached, and then the glue injection hard pipe 2 and the glue injection hose 3 can be cleaned. The detachable mode greatly improves the cleaning effect of the glue injection pipe, which is conducive to the repeated use of the glue injection pipe, saves the cost, and is also conducive to the normal use of the subsequent glue injection pipe. It should be noted that the cleaning of the glue injection hard pipe 2 and the glue injection hose 3 can be completed by using a cleaning rod that is in contact with the inner wall size, and the cleaning effect is better. The cleaning mode and the structure of the cleaning rod are not limited herein. In the preferred case, the glue injection pipe further comprises a second fastening member 6, and the second end of the glue injection hose 3 is detachably connected with the glue injection head 4 through the second fastening member 6. Through the arrangement, the glue injection hose 3 and the glue injection head 4 are detachably connected, which is more conducive to the cleaning of the glue injection hose 3. During the use of the glue injection pipe, the glue injection hose 3 often needs to be bent multiple times. Combined with the weak strength of the glue injection hose 3 itself, the damage of the glue injection hose 3 is inevitable during long-term use. At this time, the detachable glue injection head 4 can be repeatedly used, which saves the cost. The second fastening member 6 can further strengthen the connection strength and sealing effect between the glue injection hose 3 and the glue injection head 4, which is conducive to the smooth progress of the glue injection process.

[0035] in combination with Figure 1 and Figure 4 , Figure 4 is a structure diagram of the glue injection head 4 in an embodiment of the utility model, in the preferred case, the glue injection head 4 is provided with a limiting groove 4a, and the second fastening member 6 fixes the second end of the glue injection hose 3 on the limiting groove 4a. Through such setting, the limiting groove 4a and the second fastening member 6 further reinforce the glue injection hose 3, and improve the connecting strength of the glue injection hose 3 and the glue injection head 4. The specific size of the limiting groove 4a is not limited here, preferably, the size of the limiting groove 4a and the second fastening member 6 is matched, that is, the second fastening member 6 is just combined with the limiting groove 4a at the second end of the glue injection hose 3; the specific position of the limiting groove 4a is not limited, and it can be arranged at the end of the glue injection head 4 close to the glue injection hose 3 or at the middle position of the glue injection head 4.

[0036] in combination with Figure 4 and Figure 5 , in the preferred case, the side wall of the outlet of the glue injection head 4 is fixedly connected with the inner wall of the adjusting valve 41. Through such setting, the adjusting valve 41 directly drives the side wall of the outlet of the glue injection head 4, and then the size adjustment of the outlet of the glue injection head 4 is realized. The connecting mode of the adjusting valve 41 and the side wall of the outlet of the glue injection head 4 is not limited here, and it can be adhesive bonding, clamping or integral molding, and it can realize that the adjusting valve 41 drives the side wall of the outlet of the glue injection head 4 to move. As shown in Figure 6 Figure 6 is a state diagram of the glue injection head 4 in an embodiment of the utility model, through the adjusting valve 41 driving the side wall of the outlet of the glue injection head 4 to move, the caliber of the outlet of the glue injection head 4 is reduced, and then the glue injection range control is realized.

[0037] in combination with Figure 2 ​In the preferred case, the first end of the hard glue injection pipe 2 is provided with a first connecting part 21, the connecting piece 1 is provided with a second connecting part 11 near one end of the hard glue injection pipe 2, the hard glue injection pipe 2 passes through the second connecting part 11, and the outer wall of the first connecting part 21 and the inner wall of the second connecting part 11 are attached. The hard glue injection pipe 2 passes through the connecting piece 1, so that the first connecting part 21 is located above the second connecting part 11, and the first connecting part 21 and the second connecting part 11 are attached during the glue injection process, thereby completing the connection of the glue injection pipe. During the installation of the glue injection pipe, only the connecting piece 1 and the upper glue injection port need to be connected to realize the installation of the glue injection pipe, which is convenient to operate. Here, the fixing method of the first connecting part 21 and the second connecting part 11 is not limited, which can be a bayonet on the inner wall of the connecting piece 1 for fixing the first connecting part 21, or a thread on the position where the first connecting part 21 and the second connecting part 11 are connected to connect the first connecting part 21 and the second connecting part 11 by the thread. In other optional cases, the first connecting part 21 and the second connecting part 11 can be directly attached, and the end of the upper glue injection port abuts against the first connecting part 21, as long as the connection of the glue injection pipe can be realized and the glue injection can be smoothly completed. In the preferred case, the top end of the first connecting part 21 is provided with a sealing ring 7, and the sealing ring 7 is attached to the inner wall of the second connecting part 11. The sealing ring 7 can further promote the sealing effect of the glue injection pipe during installation and use, and ensure the smooth progress of the glue injection.

[0038] In combination Figure 2 And Figure 4 In the preferred case, the outer diameter of the second end of the hard glue injection pipe 2 is less than or equal to the inner diameter of the soft glue injection pipe 3. By such a design, one end of the soft glue injection pipe 3 can be sleeved on the second end of the hard glue injection pipe 2, and under the reinforcement of the first fastening member 5, the soft glue injection pipe 3 is deformed, and then the soft glue injection pipe 3 and the second end of the hard glue injection pipe 2 are completely attached and reliably connected. At this time, the hard glue injection pipe 2 supports the soft glue injection pipe 3 and does not deform, which is beneficial to the long-term circulation of the hard glue injection pipe 2. Further, the inlet end of the glue injection head 4 is provided with a third connecting part 42, and the outer diameter of the third connecting part 42 is less than or equal to the inner diameter of the soft glue injection pipe 3. By such a design, the connection effect of the glue injection head 4 and the soft glue injection pipe 3 is improved, which is also beneficial to the long-term circulation of the glue injection head 4. In the preferred case, the cross-sectional size of the third connecting part 42 gradually increases along the glue injection direction, which is beneficial to the splicing of the glue injection head 4 and the soft glue injection pipe 3, and facilitates the installation of the second fastening member 6.

[0039] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An injection tube, characterized by, The glue injection pipe comprises a connecting piece (1), a glue injection hard pipe (2), a glue injection soft pipe (3) and a glue injection head (4). The connecting piece (1) is detachably connected with the first end of the glue injection hard pipe (2), the second end of the glue injection hard pipe (2) is connected with the first end of the glue injection soft pipe (3), the second end of the glue injection soft pipe (3) is connected with the glue injection head (4), and the glue injection soft pipe (3) can be bent to any angle in the glue injection direction to adjust the glue injection direction of the glue injection head (4). The glue injection head (4) is provided with an adjusting valve (41), the adjusting valve (41) is located on one side of the second end of the glue injection soft pipe (3), the adjusting valve (41) is close to the outlet of the glue injection head (4), and the inner wall diameter of the adjusting valve (41) can be adjusted.

2. The tube of claim 1, wherein The glue injection pipe further comprises a first fastening member (5), and the second end of the glue injection hard pipe (2) is detachably connected with the first end of the glue injection soft pipe (3) through the first fastening member (5).

3. The tube of claim 2, wherein The glue injection pipe further comprises a second fastening member (6), and the second end of the glue injection soft pipe (3) is detachably connected with the glue injection head (4) through the second fastening member (6).

4. The tube of claim 3, wherein The glue injection head (4) is provided with a limiting groove (4a), and the second end of the glue injection soft pipe (3) is fixed on the limiting groove (4a) through the second fastening member (6).

5. The tube of claim 1, wherein The side wall of the outlet of the glue injection head (4) and the inner wall of the adjusting valve (41) are fixedly connected.

6. The tube of claim 1, wherein The first end of the glue injection hard pipe (2) is provided with a first connecting part (21), one end of the connecting piece (1) close to the glue injection hard pipe (2) is provided with a second connecting part (11), the glue injection hard pipe (2) passes through the second connecting part (11), and the outer wall of the first connecting part (21) and the inner wall of the second connecting part (11) are attached.

7. The tube of claim 6 wherein, The top end of the first connecting part (21) is provided with a sealing ring (7), and the sealing ring (7) is attached to the inner wall of the second connecting part (11).

8. The tube of claim 7, wherein The inner wall of the connecting piece (1) is provided with a thread, and the thread is connected with an upper glue injection interface.

9. The tube of claim 2 wherein, The outer diameter of the second end of the glue injection hard pipe (2) is less than or equal to the inner diameter of the glue injection soft pipe (3).

10. The tube of claim 3, wherein The inlet end of the glue injection head (4) is provided with a third connecting part (42), and the outer diameter of the third connecting part (42) is less than or equal to the inner diameter of the glue injection soft pipe (3).

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