Gun head dismounting and mounting structure for glue gun

Abstract

The utility model relates to the field of glue gun structures, in particular to a gun head dismounting structure for a glue gun, which comprises a limit component, a connecting and fixing component and a gun head component, the limit component is sleeved at the upper end of a gun body for the glue gun, the connecting and fixing component is arranged below the limit component, and the connecting and fixing component comprises a movable lantern ring. The fixing sleeve is arranged at the lower end of the gun body for the glue gun, the mounting sleeve is arranged at the lower end of the fixing sleeve, and the gun head assembly is sleeved on the outer side of the mounting sleeve. The glue gun has the beneficial effects that the gun head assembly can be quickly fixed or released through the up-and-down movement of the movable lantern ring, so that the speed and the efficiency of replacing the gun head are greatly improved; the fixing plate is tightly matched with the fixing groove in the gun head, the stability of the gun head in the using process is guaranteed, and meanwhile the buffer layer on the fixing plate can absorb vibration to a certain extent, reduce abrasion and prolong the service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to a structure technical field of glue gun, especially relates to a gun head dismounting structure for glue gun. BACKGROUND

[0002] The glue gun is a kind of tool for applying various sealant, adhesive, lubricating grease and other materials, is widely used in construction, decoration, automobile repair, electronic product assembly and other fields, and the main function of glue gun is to extrude glue or other adhesive material from container (such as glue pipe, glue barrel), and control its flow and direction, to facilitate accurate construction.

[0003] In the related art, the patent with application No.CN202321832195.7 discloses a gun head dismounting structure for glue gun, including the gun body for glue gun, the lower end of the gun body for glue gun is provided with gun head body sleeve, the lower end of the gun head body sleeve is provided with the gun head body for glue gun, the outside of the gun head body for glue gun is provided with outside buckle plate on the gun head body sleeve, has pull positioning installation, to compared with the technical effect that screw thread rotation installation mode is more convenient when dismounting, however, the device needs to pull external pull rod one by one when dismounting, and it takes a long time, it is more complicated, for this purpose, we propose a gun head dismounting structure for glue gun.

[0004] The above information disclosed in the background section of this document merely to understand the background of the inventive concept, and therefore, it can include information that does not constitute prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a gun head dismounting structure for glue gun, to solve the problem that the device needs to pull external pull rod one by one when dismounting, and it takes a long time, it is more complicated in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model relates to a gun head dismounting structure for glue gun, which comprises a gun body for glue gun, a limiting component, a connecting and fixing component and a gun head component.

[0008] In some embodiments, the limiting component comprises a limiting mounting sleeve, which is fixedly arranged on the upper end side of the gun body for glue gun, a plurality of side through grooves are formed in the side of the limiting mounting sleeve, a vertical through groove is formed in the lower end surface of the limiting mounting sleeve at the corresponding position of the side through grooves, a sliding block is movably arranged in the vertical through groove, and a telescopic sleeve is fixedly and vertically arranged at the lower end of the sliding block.

[0009] In some embodiments, the side of the sliding block away from the gun body for glue gun is horizontally fixedly arranged with a connecting plate, a tab is fixedly and mounted at the end of the connecting plate away from the gun body for glue gun, a fixed hook is fixedly and mounted at the lower end of the telescopic sleeve, and a through groove is formed in the corresponding position of the fixed hook in the movable sleeve ring.

[0010] In some embodiments, the gun head component comprises a gun head, and a positioning groove is formed in the corresponding position of the positioning block on the inner side of the upper end of the gun head.

[0011] In some embodiments, a fixing groove is formed in the corresponding position of the fixed plate on the side of the gun head.

[0012] In some embodiments, a buffer layer is glued on the side of the fixed plate close to the gun body for glue gun.

[0013] The utility model has the advantages of:

[0014] Through the up-down movement of the movable sleeve ring, the fixing or releasing of the gun head assembly can be quickly realized, the speed and efficiency of replacing the gun head are greatly improved, the fixing plate is tightly matched with the fixing groove on the gun head, the stability of the gun head during use is ensured, meanwhile, the buffer layer on the fixing plate can absorb vibration to a certain extent, reduce abrasion and prolong the service life, the installation or disassembly of the gun head can be completed through simple manual operation (such as rotating the rotating piece and moving the movable sleeve ring), without the help of additional tools, and the operation process is simplified, the positioning groove on the gun head assembly is matched with the positioning block on the mounting sleeve, the accurate positioning of the gun head during installation is ensured, and problems such as poor sealing caused by deviation are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of the gun head dismounting structure of the glue gun is provided.

[0016] Figure 2 A structure diagram of the limiting assembly of the gun head dismounting structure of the glue gun is provided.

[0017] Figure 3 A structure diagram of the connecting and fixing assembly of the gun head dismounting structure of the glue gun is provided.

[0018] Figure 4 A structure diagram of the gun head assembly of the gun head dismounting structure of the glue gun is provided.

[0019] In the figure, 1 is a gun body of a glue gun, 2 is a limiting assembly, 201 is a limiting mounting sleeve, 202 is a side through groove, 203 is a rotating piece, 204 is a connecting plate, 205 is an extension sleeve, 206 is a fixed hook, 3 is a connecting and fixing assembly, 301 is a movable sleeve ring, 302 is a through groove, 303 is a connecting seat, 304 is a first connecting rod, 305 is a connecting sleeve, 306 is a second connecting rod, 307 is a fixing plate, 308 is a fixing sleeve, 309 is a mounting sleeve, 310 is a positioning block, 4 is a gun head assembly, 401 is a gun head, 402 is a positioning groove, and 403 is a fixing groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0021] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0022] In the description of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Referring to Figure 1 , 2The utility model discloses a gun head dismounting structure for glue gun, including the gun body for glue gun 1, limiting component 2, connecting fixed component 3 and gun head component 4, the upper end side of gun body for glue gun 1 is set fixed limiting component 2 with sleeve, and the side of gun body for glue gun 1 is provided with connecting fixed component 3 below limiting component 2, and connecting fixed component 3 includes movable collar 301, and movable collar 301 is set in the side of gun body for glue gun 1 with sleeve, and the side of movable collar 301 is provided with four groups of connecting seat 303 fixedly in symmetry, and first connecting rod 304 is rotatably connected on connecting seat 303, and the end of first connecting rod 304 away from movable collar 301 is provided with fixed plate 307 fixedly and obliquely, and connecting sleeve 305 is movably sleeved on the side of first connecting rod 304, and connecting sleeve 305 is provided with connecting seat 303 on the side close to gun body for glue gun 1, and second connecting rod 306 is rotatably connected on connecting seat 303, and one end of second connecting rod 306 is connected with connecting sleeve 305 through connecting seat 303, and one end of second connecting rod 306 close to gun body for glue gun 1 is connected with fixed sleeve 308 through connecting seat 303, and fixed sleeve 308 is fixedly arranged on the lower end side of gun body for glue gun 1, and mounting sleeve 309 is integrally formed on the lower end of fixed sleeve 308, and a plurality of positioning blocks 310 are symmetrically arranged on the side of mounting sleeve 309, and gun head component 4 is fixedly sleeved on the outside of mounting sleeve 309, and movable collar 301 is moved upward, and movable collar 301 drives first connecting rod 304 and second connecting rod 306 to rotate, drives the movement of mounting sleeve 309, makes the fixed plate 307 of one end of first connecting rod 304 close to gun body for glue gun 1, makes fixed plate 307 press fit in the fixed groove 403 of gun head component 4, and gun head component 4 is fixedly connected.

[0024] As shown in the specific implementation of the embodiment of the utility model, Figure 1 、 3 As shown in the specific implementation of the embodiment of the utility model, limiting component 2 includes limiting mounting sleeve 201, and limiting mounting sleeve 201 is fixedly arranged on the upper end side of gun body for glue gun 1, a plurality of side through grooves 202 are formed on the side of limiting mounting sleeve 201, a vertical through groove is formed on the lower end surface of limiting mounting sleeve 201 at the corresponding position of side through groove 202, a sliding block is movably arranged in the vertical through groove, a telescopic sleeve 205 is fixedly and vertically arranged on the lower end of sliding block, and a strong spring is arranged in telescopic sleeve 205, the length of telescopic sleeve 205 can be finely adjusted, movable collar 301 is moved upward and passes through fixed hook 206 and telescopic sleeve 205, and the lower end of movable collar 301 is clamped and fixed by rotating fixed hook 206 by means of driving driving piece 203, and the pressing force of fixed plate 307 is kept.

[0025] As shown in the specific implementation of the embodiment of the utility model, Figure 1 、 3As shown, the slider is fixed horizontally away from the side of the gun body 1 of the glue gun and provided with a connecting plate 204, the end of the connecting plate 204 away from the gun body 1 of the glue gun is fixedly installed and provided with a push piece 203, the lower end of the telescopic sleeve 205 is fixedly installed and provided with a fixed hook 206, the through slot 302 is formed in the corresponding position of the fixed hook 206 of the movable sleeve ring 301, the through slot 302 of the movable sleeve ring 301 includes the through slot of the fixed hook and the rotating slot of the telescopic sleeve, the telescopic sleeve 205 can be rotated, and the connection and fixation of the fixed hook 206 to the lower end of the movable sleeve ring 301 are ensured.

[0026] As shown in the embodiment of the utility model, Figure 1 , 4 As shown, the gun head assembly 4 includes a gun head 401, the inner side of the upper end of the gun head 401 is provided with a positioning slot 402 at the corresponding position of the positioning block 310, the side of the gun head 401 is provided with a fixed slot 403 at the corresponding position of the fixed plate 307, the side of the fixed plate 307 close to the gun body 1 of the glue gun is glued and provided with a buffer layer, the angle of the fixed plate 307 is accurately designed before forming, and the fixed plate 307 can be perfectly clamped with the fixed slot 403 in the opening and closing process of the connecting rod.

[0027] In this embodiment, the components are all general standard components or components known to those skilled in the art, the structure and connection principle of which can be known by the technical personnel through the technical manual or through conventional experimental methods. In the case where the gun head assembly 4 is not installed, the movable collar 301 is in a lower position, the first connecting rod 304 and the second connecting rod 306 are in an unfolded state, and the fixed plate 307 is away from the gun body 1 of the glue gun, leaving space for the installation of the gun head assembly 4. The gun head assembly 4 is sleeved into the mounting sleeve 309, ensuring that the positioning groove 402 on the gun head 401 is aligned with the positioning block 310 on the mounting sleeve 309. The movable collar 301 is pushed upward, and moves along the side surface of the gun body 1 of the glue gun. The movement of the movable collar 301 drives the rotation of the first connecting rod 304 and the second connecting rod 306, and further drives the movement of the mounting sleeve 305. The movement of the mounting sleeve 305 causes the fixed plate 307 to gradually approach the gun body 1 of the glue gun, and finally the fixed plate 307 is pressed into the fixed groove 403 of the gun head assembly 4, realizing the preliminary fixation of the gun head assembly 4. When the movable collar 301 rises to a certain position, the push piece 203 is pushed, so that the fixed hook 206 is rotated and clamped into the lower end of the movable collar 301. The clamping effect of the fixed hook 206 keeps the movable collar 301 in a high position, thereby maintaining the pressure of the fixed plate 307 on the gun head assembly 4, ensuring that the gun head assembly 4 is firmly fixed on the glue gun. At this time, the gun head assembly 4 has been completely installed and fixed, and the glue gun can be normally used for operation. Reverse operation, first push the push piece 203, so that the fixed hook 206 is detached from the movable collar 301, and then the movable collar 301 is pulled downward. The movement of the movable collar 301 drives the reverse rotation of the first connecting rod 304 and the second connecting rod 306, so that the fixed plate 307 is away from the gun head assembly 4. Finally, the gun head assembly 4 is taken out of the mounting sleeve 309, and the disassembly process is completed.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A gun head dismounting structure for glue gun, comprising a gun body (1) for glue gun, a limiting component (2), a connecting and fixing component (3) and a gun head component (4), characterized in that: The upper end side of the glue gun body (1) is sleeved with a limiting assembly (2), and the lower end of the limiting assembly (2) is provided with a connecting and fixing assembly (3) on the side of the glue gun body (1). The connecting and fixing assembly (3) comprises a movable sleeve ring (301) sleeved on the side of the glue gun body (1), four groups of connecting seats (303) are symmetrically arranged on the side of the movable sleeve ring (301), a first connecting rod (304) is rotatably connected to the connecting seat (303), a fixed plate (307) is fixedly arranged on the end of the first connecting rod (304) away from the movable sleeve ring (301), a connecting sleeve (305) is movably sleeved on the side of the first connecting rod (304), a connecting seat (303) is arranged on the side of the connecting sleeve (305) close to the glue gun body (1), a second connecting rod (306) is rotatably connected to the connecting seat (303), one end of the second connecting rod (306) is connected to the connecting sleeve through the connecting seat (303), the end of the second connecting rod (306) close to the glue gun body (1) is connected to a fixed sleeve (308) through the connecting seat (303), the fixed sleeve (308) is fixedly arranged on the lower end side of the glue gun body (1), an installation sleeve (309) is integrally formed on the lower end of the fixed sleeve (308), a plurality of positioning blocks (310) are symmetrically arranged on the side of the installation sleeve (309), and a gun head assembly (4) is fixedly sleeved on the outside of the installation sleeve (309).

2. The gun head dismounting structure for a glue gun according to claim 1, wherein The limiting assembly (2) comprises a limiting installation sleeve (201) fixedly arranged on the upper end side of the glue gun body (1), a plurality of side through grooves (202) are formed in the side of the limiting installation sleeve (201), a vertical through groove is formed in the lower end face of the limiting installation sleeve (201) at the corresponding position of the side through groove (202), and a sliding block is movably arranged in the vertical through groove.

3. The gun head dismounting structure of a glue gun according to claim 2, wherein The side of the sliding block away from the glue gun body (1) is fixedly provided with a connecting plate (204), a push piece (203) is fixedly arranged on the end of the connecting plate (204) away from the glue gun body (1), a fixed hook (206) is fixedly arranged on the lower end of the telescopic sleeve (205), and a through groove (302) is formed in the movable sleeve ring (301) at the corresponding position of the fixed hook (206).

4. The gun head dismounting structure of a glue gun according to claim 1, wherein The gun head assembly (4) comprises a gun head (401), and a positioning groove (402) is formed in the inner side of the upper end of the gun head (401) at the corresponding position of the positioning block (310).

5. The gun head dismounting structure of a glue gun according to claim 1, wherein A fixed groove (403) is formed in the side of the gun head (401) at the corresponding position of the fixed plate (307).

6. The gun head dismounting structure of a glue gun according to claim 1, wherein The side of the fixed plate (307) close to the glue gun body (1) is glued with a buffer layer.

Images