Labor-saving glue gun

Abstract

The present application relates to a kind of labor-saving glue gun, belong to glue gun technical field, comprising: compressed gas tank, glue tank, limiting cylinder, elastic member and discharge pipe, compressed gas tank is equipped with gas hole;Glue tank is detachably connected on compressed gas tank, and glue tank is equipped with air inlet and is communicated with gas hole, and glue tank is equipped with discharge hole and its inside sliding connection has piston;Limiting cylinder is inserted in discharge hole and its inner wall is fixed with annular limiting portion;Elastic member is placed in limiting cylinder and is in contact with annular limiting portion;The side wall of discharge pipe is equipped with material hole and is inserted into limiting cylinder and is in contact with elastic member.The present application is first detachably connected on glue tank compressed gas tank, since the air inlet of glue tank and the gas hole of compressed gas tank are communicated, when the lower end of discharge pipe is inserted into glue tank after being pressed, material hole is respectively communicated with glue tank and outside, at this time, the compressed air of compressed gas tank will quickly push piston upwards, so that the glue in glue tank is sprayed from glue gun nozzle through material tube.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glue guns, in particular to a labor-saving glue gun. BACKGROUND

[0002] With the continuous improvement of living standards and aesthetic consciousness, more and more people will use adhesive, sealant, adhesive and other glue products to fill the indoor decoration gap and beautify the indoor space in indoor decoration.

[0003] At present, glue products mainly use glue guns to glue, and the traditional glue gun mainly consists of a tank, a sealing cover plate, a pressing pump and a discharge pipe. The tank contains glue inside and has an opening on the top surface. The sealing cover plate is fixedly sealed at the opening of the tank and has a through hole in the middle. The pressing pump is inserted into the through hole and the discharge port at the top of the pressing pump penetrates the through hole. The discharge pipe is fixedly connected to the discharge port at the top of the pressing pump. The glue gun nozzle is detachably connected to the discharge pipe. In actual use, the glue gun nozzle is reciprocally pressed, which reciprocally presses the discharge pipe to press the pressing pump. At this time, the pressing pump draws out the glue contained in the tank, which is sprayed out through the glue gun nozzle to complete the gluing work. However, the above-mentioned glue gun needs to be repeatedly pressed by the operator to normally glue, which leads to excessive labor intensity and is not conducive to the long-term gluing use of the operator.

[0004] Therefore, how to design a labor-saving glue gun is a problem to be solved by those skilled in the art. SUMMARY

[0005] The present application provides a labor-saving glue gun to solve the technical problem of excessive labor intensity of the existing glue gun.

[0006] The technical solution of the present application to solve the above technical problem is as follows: a labor-saving glue gun, comprising: a compressed gas tank, a glue tank, a limiting cylinder, an elastic member, a discharge pipe and a glue gun nozzle, the inside of the compressed gas tank is filled with compressed gas and the top end is provided with an air outlet hole; the inside of the glue tank is filled with glue and the bottom end is detachably connected to the top end of the compressed gas tank, the bottom of the glue tank is provided with an air inlet hole and is in communication with the air outlet hole, and the top end of the glue tank is provided with a discharge hole; a piston is slidably connected in the glue tank to drive the glue to be extruded from the discharge hole; the limiting cylinder is inserted into the discharge hole and the inner bottom end is fixed with an annular limiting portion; the elastic member is placed in the limiting cylinder and the bottom end abuts against the annular limiting portion; the bottom end of the discharge pipe is a closed end and the side wall is provided with a material passage hole, the discharge pipe is inserted into the limiting cylinder and the bottom end contacts the top of the elastic member, and the material passage hole can extend into the glue tank and communicate with the inside of the glue tank with the elastic compression of the elastic member; the material inlet hole at the bottom end of the glue gun nozzle is fixedly connected and communicated at the discharge port at the top end of the discharge pipe.

[0007] The application has the beneficial effects that the traditional glue gun pressing mode is changed, a compressed gas tank is detachably connected to the bottom end of the glue tank, the air inlet hole of the glue tank communicates with the air outlet hole of the compressed gas tank, when the lower end of the discharge pipe is inserted into the glue tank, the material hole of the discharge pipe side wall communicates the glue tank with the outside, at this time, the compressed air of the compressed gas tank pushes the piston upward, so that the glue in the glue tank is continuously sprayed out through the material tube and from the glue gun nozzle, the labor intensity of the operator is reduced, the continuity and coherence of the glue gun are improved, and the sealing effect is ensured.

[0008] Based on the above technical solutions, the application can be further improved as follows.

[0009] Further, the compressed gas tank comprises a compressed gas tank body, a compressed gas end cover and an air pipe, the air outlet hole is arranged at the top end of the compressed gas tank body, the compressed gas end cover is buckled at the top end of the compressed gas tank body and the top end of the compressed gas end cover is provided with a perforation A, the glue tank is detachably connected to the top end of the compressed gas end cover, the lower end of the air pipe is inserted into the air outlet hole and the upper end of the air pipe is inserted into the perforation A, and the air inlet hole communicates with the air pipe.

[0010] Further, the glue tank comprises a glue tank body, a connecting end cover and a glue end cover, the outer side wall of the bottom end and the outer side wall of the top end of the glue tank body are provided with threads, the air inlet hole is arranged at the bottom end of the glue tank body, the piston is slidably connected in the glue tank body, the discharge hole is arranged at the top end of the glue tank body, the opening end of the connecting end cover is arranged upward, the inner wall of the connecting end cover is provided with threads and is threadedly connected to the threads at the bottom end of the compressed gas tank body, the bottom end of the connecting end cover is provided with a first connecting hole, a hollow stud is fixed at the bottom end of the connecting end cover corresponding to the first connecting hole, the top end of the compressed gas end cover is fixed with a connecting sleeve communicating with the perforation A, the inner wall of the connecting sleeve is provided with threads and is threadedly connected to the hollow stud, the inner wall of the glue end cover is provided with threads and is threadedly connected to the threads at the top end of the glue tank body, the top end of the glue end cover is provided with a perforation B and the inner top end of the perforation B is fixed with a limiting ring, the limiting cylinder is clamped on the limiting ring, and the discharge pipe passes through the perforation B.

[0011] The further beneficial effects are that the hollow stud and the sleeve thread connection can quickly replace the new compressed gas tank or the new glue tank when the compressed gas tank or the glue tank is used up, so that the compressed air or the glue is not wasted.

[0012] Further, the bottom end of the hollow stud is a closed end, a second connecting hole is arranged at the middle of the closed end of the hollow stud, a sleeve is fixed at the closed end of the hollow stud corresponding to the second connecting hole, and the sleeve is inserted into the perforation A, and the upper end of the air pipe is inserted into the sleeve.

[0013] Further, the annular limiting portion comprises a first annular limiting portion and a second annular limiting portion, the first annular limiting portion is fixed at the inner bottom end of the limiting cylinder, the elastic member is inserted into the first annular limiting portion, the second annular limiting portion is fixed at the inner bottom end of the first annular limiting portion, and the bottom end of the elastic member abuts against the second annular limiting portion.

[0014] The above further beneficial effect is that the elastic member is inserted into the first annular limiting portion and the bottom end thereof abuts against the second annular limiting portion, so that the installation of the elastic member is facilitated, the displacement of the elastic member in the later period is prevented, and the service life of the glue gun is prolonged.

[0015] Further, the glue tank further comprises a sealing ring, the inner top end of the limiting cylinder is provided with an annular placing groove, the sealing ring is placed in the annular placing groove, and the discharge pipe passes through the sealing ring.

[0016] The above further beneficial effect is that the annular placing groove is designed at the inner top end of the limiting cylinder, the sealing ring is placed in the annular placing groove, and the lower end of the discharge pipe movably passes through the sealing ring, so that the glue in the glue tank body is prevented from flowing out from between the limiting cylinder and the discharge pipe, and the safety of the glue gun is improved.

[0017] Further, a tapered limiting column is further included, the large-end of the limiting column is fixed at the small-end of the discharge pipe and penetrates into the elastic member.

[0018] Further, the glue gun nozzle comprises a discharge end cover, a discharge taper pipe, a connecting sleeve and a pressing frame plate, the opening end of the discharge end cover is arranged downward, the top end of the discharge end cover is provided with a material passing hole, the inner top end of the discharge end cover is fixed with a connecting cylinder at the position corresponding to the material passing hole, the material inlet of the glue gun nozzle is the inner hole of the connecting cylinder, the upper end of the discharge pipe is inserted into the connecting cylinder, the large-diameter end of the discharge taper pipe is fixed and communicated at the material passing hole at the top end of the discharge end cover, the connecting sleeve is sleeved on the outer circumferential side of the discharge end cover and contacts the connecting end cover at the bottom end, the top surface of the connecting sleeve is vertically fixed with a vertical plate at one side, and the pressing frame plate is sleeved on the outer circumferential side of the discharge taper pipe and is hinged at the top end of the vertical plate at one end, the pressing frame plate is fixed with a pressing block corresponding to the upper side of the discharge end cover, and the pressing block can press the bottom plate with the rotation of the pressing frame plate.

[0019] The above further beneficial effect is that the pressing frame plate is sleeved on the outer circumferential side of the discharge taper pipe and is hinged at the vertical plate at one end according to the lever principle, the pressing block is fixed corresponding to the upper side of the discharge end cover, when the other end of the pressing frame plate is pressed, the pressing force of the glue gun can be reduced, the labor intensity of the operator is reduced, and the convenience and safety of the glue gun are improved.

[0020] Further, the bottom surface of the pressing block in contact with the discharge end cover is an outward convex arc surface.

[0021] Further, the plate surface of the vertical plate near the top end is bent towards the center of the connecting sleeve.

[0022] Further, the elastic member is a spring. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Fig. 1 is a perspective view of the glue gun nozzle of the labor-saving glue gun according to the present application;

[0024] Figure 2 Fig. 2 is a perspective view of the compressed gas tank, glue tank and discharge pipe of the labor-saving glue gun according to the present application;

[0025] Figure 3 Fig. 3 is a schematic view of the internal structure of the glue gun nozzle of the labor-saving glue gun according to the present application;

[0026] Figure 4 Fig. 4 is a schematic view of the internal structure of the compressed gas tank, glue tank and discharge pipe of the labor-saving glue gun according to the present application;

[0027] Figure 5 Fig. 5 is a schematic view of the internal structure of the glue gun nozzle of the labor-saving glue gun according to the present application; Figure 4 Fig. 6 is a partial enlarged view of position A;

[0028] Figure 6 Fig. 7 is a partial enlarged view of position B. Figure 4 Fig. 8 is a partial enlarged view of position C.

[0029] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0030] 1, compressed gas tank, 11, compressed gas tank body, 12, compressed gas end cover, 13, air pipe, 14, connecting sleeve, 2, glue tank, 21, glue tank body, 22, connecting end cover, 23, connecting end cover, 24, hollow stud, 25, limiting ring, 26, sleeve, 27, sealing ring, 3, limiting cylinder, 4, elastic member, 5, discharge pipe, 51, material hole, 52, limiting column, 6, glue gun nozzle, 61, discharge end cover, 62, discharge cone pipe, 63, connecting sleeve, 64, pressing frame plate, 65, vertical plate, 66, pressing block, 67, connecting cylinder, 7, annular limiting part, 71, first annular limiting part, 72, second annular limiting part, 8, piston. DETAILED DESCRIPTION

[0031] The principles and features of the present application are described below in conjunction with the drawings, and the examples are only used to explain the present application and are not intended to limit the scope of the present application.

[0032] As Figure 1 and Figure 2As shown, a labor-saving glue gun comprises a compressed gas tank 1, a glue tank 2, a limiting cylinder 3, an elastic member 4, a discharge pipe 5 and a glue gun nozzle 6. The compressed gas tank 1 is provided with an air outlet at the top end. The glue tank 2 is detachably connected to the top end of the compressed gas tank 1. The glue tank 2 is provided with an air inlet at the bottom end and is in communication with the air outlet. The glue tank 2 is provided with a discharge hole at the top end. A piston 8 is slidably connected in the glue tank 2 to drive the glue to be extruded from the discharge hole. The limiting cylinder 3 is inserted into the discharge hole and is provided with an annular limiting portion 7 at the inner bottom end. The elastic member 4 is arranged in the limiting cylinder 3 and the bottom end thereof is in abutment with the annular limiting portion 7. The bottom end of the discharge pipe 5 is a closed end and the sidewall thereof is provided with a material passage hole 51. The discharge pipe 5 is inserted into the limiting cylinder 3 and the bottom end thereof is in contact with the top portion of the elastic member 4. The material passage hole 51 can be extended into the glue tank 2 and is in communication with the inside of the glue tank 2 with the elastic compression of the elastic member 4. The material inlet of the bottom end of the glue gun nozzle 6 is fixed and communicated with the material outlet at the top end of the discharge pipe 5.

[0033] In some embodiments, the compressed gas tank 1 can comprise a compressed gas tank body 11, a compressed gas end cover 12 and an air passage pipe 13. The air outlet is arranged at the top end of the compressed gas tank body 11. The compressed gas end cover 12 is fastened to the top end of the compressed gas tank body 11 and is provided with a perforation A at the top end. The glue tank 2 is detachably connected to the top end of the compressed gas end cover 12. The lower end of the air passage pipe 13 is inserted into the air outlet and the upper end thereof is inserted into the perforation A. The air inlet is in communication with the air passage pipe 13.

[0034] In some embodiments, the glue tank 2 can comprise a glue tank body 21, a connecting end cover 22 and a glue end cover 23. The outer sidewall at the bottom end and the outer sidewall at the top end of the glue tank body 21 are provided with threads. The air inlet is arranged at the bottom end of the glue tank body 21. The piston 8 is slidably connected in the glue tank body 21. The discharge hole is arranged at the top end of the glue tank body 21. The opening end of the connecting end cover 22 is arranged upwardly and the inner wall thereof is provided with threads and is threadedly connected to the threads at the bottom end of the compressed gas tank body 11. The bottom end of the connecting end cover 22 is provided with a first connecting hole. The bottom end of the connecting end cover 22 is fixed with a hollow stud 24 at the position corresponding to the first connecting hole. The top end of the compressed gas end cover 12 is fixed with a connecting sleeve 14 which is in communication with the perforation A. The inner wall of the connecting sleeve 14 is provided with threads and is threadedly connected to the hollow stud 24. The inner wall of the glue end cover 23 is provided with threads and is threadedly connected to the threads at the top end of the glue tank body 21. The top end of the glue end cover 23 is provided with a perforation B and the inner top end of the perforation B is fixed with a limiting ring 25. The limiting cylinder 3 is clamped to the limiting ring 25. The discharge pipe 5 passes through the perforation B.

[0035] In some embodiments, the bottom end of the hollow stud 24 can be a closed end and the middle portion of the closed end is provided with a second connecting hole. A sleeve 26 is fixed to the closed end of the hollow stud 24 at the position corresponding to the second connecting hole and is inserted into the perforation A. The upper end of the air passage pipe 13 is inserted into the sleeve 26.

[0036] In some specific embodiments, the annular limiting part 7 can comprise a first annular limiting part 71 fixed at the inner bottom end of the limiting cylinder 3, the elastic member 4 inserted into the first annular limiting part 71, and a second annular limiting part 72 fixed at the inner bottom end of the first annular limiting part 71, the bottom end of the elastic member 4 abutting against the second annular limiting part 72.

[0037] In some specific embodiments, the glue tank 2 can further comprise a sealing ring 27, the limiting cylinder 3 being provided with an annular placement groove at the inner top end, and the sealing ring 27 being placed in the annular placement groove; the discharge pipe 5 penetrating through the sealing ring 27.

[0038] In some specific embodiments, a tapered limiting cylinder 52 can be further included, the large end of the limiting cylinder 52 being fixed at the small end of the discharge pipe 5 and penetrating into the elastic member 4.

[0039] In some specific embodiments, the glue gun nozzle 6 can comprise a discharge end cover 61, a discharge tapered pipe 62, a connecting sleeve 63, and a pressing frame plate 64, the opening end of the discharge end cover 61 being arranged downwardly and provided with a discharge hole at the top end, and a connecting cylinder 67 being fixed at the inner top end of the discharge end cover 61 corresponding to the discharge hole; the feeding port of the glue gun nozzle 6 being the inner hole of the connecting cylinder 67, and the upper end of the discharge pipe 5 being inserted into the connecting cylinder 67; the large diameter end of the discharge tapered pipe 62 being fixed and communicated at the discharge hole at the top end of the discharge end cover 61; the connecting sleeve 63 being sleeved at the outer circumferential side of the discharge end cover 61 and contacting the glue tank end cover 23 at the bottom end, a vertical plate 65 being fixed perpendicularly at one side of the top surface of the connecting sleeve 63; the pressing frame plate 64 being sleeved at the outer circumferential side of the discharge tapered pipe 62 and hinged at one end to the top end of the vertical plate 65, a pressing block 66 being fixed corresponding to the upper side of the discharge end cover 61 and capable of pressing the bottom plate with the rotation of the pressing frame plate 64.

[0040] In some specific embodiments, the bottom surface of the pressing block 66 contacting the discharge end cover 61 can be an outward convex curved surface.

[0041] In some specific embodiments, the plate surface of the vertical plate 65 close to the top end can be bent towards the center direction close to the connecting sleeve 63.

[0042] The above are only the preferred embodiments of the present application, and are not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A labor saving glue gun characterized by, The utility model provides a kind of glue gun, including: Compressed gas tank (1), the top end of the compressed gas tank (1) is provided with gas outlet hole; Glue liquid tank (2), the bottom end of the glue liquid tank (2) is detachably connected in the top end of the compressed gas tank (1), the bottom of the glue liquid tank (2) is provided with air inlet hole and is communicated with the gas outlet hole, the top end of the glue liquid tank (2) is provided with discharge hole;The piston (8) is slidably connected in the glue liquid tank (2) to drive glue liquid from the discharge hole extrusion; Limiting cylinder (3), the limiting cylinder (3) is inserted in the discharge hole, and the inner bottom end of the limiting cylinder (3) is fixed with annular limiting part (7); Elastic member (4), the elastic member (4) is placed in the limiting cylinder (3), and the bottom end of the elastic member (4) is in contact with the annular limiting part (7); Discharge pipe (5), the bottom end of the discharge pipe (5) is closed end, and the sidewall of the discharge pipe (5) is provided with material hole (51), the discharge pipe (5) is inserted into the limiting cylinder (3), and the bottom end of the discharge pipe (5) is in contact with the top of the elastic member (4), the material hole (51) can be inserted into the glue liquid tank (2) and communicated with the inside of the glue liquid tank (2) along with the elastic compression of the elastic member (4); And glue gun nozzle (6), the feed inlet of the bottom end of the glue gun nozzle (6) is fixed and communicated at the discharge outlet of the top end of the discharge pipe (5); The compressed gas tank (1) comprises: Compressed gas tank body (11), the gas outlet hole is arranged at the top end of the compressed gas tank body (11); Compressed gas end cover (12), the compressed gas end cover (12) is buckled at the top end of the compressed gas tank body (11), and the top end of the compressed gas end cover (12) is provided with perforation A;The glue liquid tank (2) is detachably connected at the top end of the compressed gas end cover (12); And air pipe (13), the lower end of the air pipe (13) is inserted into the gas outlet hole, and the upper end of the air pipe (13) is inserted into the perforation A, and the air inlet hole is communicated with the air pipe (13); The glue liquid tank (2) comprises: Glue liquid tank body (21), the outer sidewall of the bottom end of the glue liquid tank body (21) and the outer sidewall of the top end are all provided with threads;The air inlet hole is arranged at the bottom end of the glue liquid tank body (21);The piston (8) is slidably connected in the glue liquid tank body (21);The discharge hole is arranged at the top end of the glue liquid tank body (21); Connecting end cover (22), the opening end of the connecting end cover (22) is arranged upwards, and the inner wall of the connecting end cover (22) is provided with threads and is threadedly connected on the threads at the bottom end of the compressed gas tank body (11), the bottom end of the connecting end cover (22) is provided with first connecting hole, the bottom end of the connecting end cover (22) is fixed with hollow stud (24) at the first connecting hole;The top end of the compressed gas end cover (12) is fixed with connecting sleeve (14) communicated with the perforation A, the inner wall of the connecting sleeve (14) is provided with threads and is threadedly connected on the hollow stud (24); And glue liquid end cover (23), the inner wall of glue liquid end cover (23) is equipped with thread and is connected in screw thread on the thread of the top end of glue liquid tank body (21), the top end of glue liquid end cover (23) is equipped with perforation B and the inner top end of perforation B is fixed with limit ring (25);The limit cylinder (3) is clamped on the limit ring (25);The discharge pipe (5) passes through the perforation B; The bottom end of the hollow stud (24) is a closed end, and a second connecting hole is provided in the middle of the closed end. A sleeve (26) is fixed to the closed end of the hollow stud (24) corresponding to the second connecting hole. The sleeve (26) is inserted into the perforation A. The upper end of the breather pipe (13) is inserted into the sleeve (26). The annular limiting portion (7) comprises: A first annular limiting portion (71) is fixed to the inner bottom end of the limiting cylinder (3). The elastic member (4) is inserted into the first annular limiting portion (71). A second annular limiting portion (72) is fixed to the inner bottom end of the first annular limiting portion (71). The bottom end of the elastic member (4) is in contact with the second annular limiting portion (72).

2. A labor saving glue gun according to claim 1, wherein The glue tank (2) further comprises a sealing ring (27). The inner top end of the limiting cylinder (3) is provided with an annular placement groove. The sealing ring (27) is placed in the annular placement groove. The discharge pipe (5) passes through the sealing ring (27).

3. The labor saving glue gun of claim 1, wherein, It further comprises a tapered limiting column (52). The large end of the limiting column (52) is fixed to the small end of the discharge pipe (5) and penetrates into the elastic member (4).

4. The labor-saving glue gun according to claim 1, wherein, The glue gun nozzle (6) comprises: A discharge end cover (61) is arranged with its open end downward. The top end of the discharge end cover (61) is provided with a material passing hole. A connecting cylinder (67) is fixed to the inner top end of the discharge end cover (61) corresponding to the material passing hole. The material inlet of the glue gun nozzle (6) is the inner hole of the connecting cylinder (67). The upper end of the discharge pipe (5) is inserted into the connecting cylinder (67). A discharge cone pipe (62) is fixed to the material passing hole at the top end of the discharge end cover (61). A connecting sleeve (63) is sleeved on the outer circumferential side of the discharge end cover (61). The bottom end of the connecting sleeve (63) is in contact with the glue liquid end cover (23). A vertical plate (65) is vertically fixed to one side of the top surface of the connecting sleeve (63). A pressing frame plate (64) is sleeved on the outer circumferential side of the discharge cone pipe (62). One end of the pressing frame plate (64) is hinged to the top end of the vertical plate (65). A pressing block (66) is fixed to the pressing frame plate (64) corresponding to the upper side of the discharge end cover (61). The pressing block (66) can press the bottom plate with the rotation of the pressing frame plate (64).

5. A labor saving glue gun according to claim 4, wherein The bottom surface of the pressing block (66) in contact with the discharge end cover (61) is an outward convex curved surface.

6. A labor saving glue gun according to claim 4, wherein The plate surface of the vertical plate (65) near the top end is bent towards the center direction close to the connecting sleeve (63).

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