CN218108258U

CN218108258U - Electric glue gun

Info

Publication number: CN218108258U
Application number: CN202222672901.8U
Authority: CN
Inventors: 陈燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-12-23
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to an electronic rifle of gluing, which comprises a housing, feeding device and pull drive arrangement, this casing rear end below is equipped with the handle, be equipped with the switch on the handle, battery package and control panel, the casing front end is equipped with the packing element storage tank, the below of packing element storage tank is equipped with down the cavity, be equipped with in the cavity down and pull drive arrangement, pull drive arrangement and include the motor, the clutch, drive shaft and actuating lever, the drive shaft passes through the clutch and is connected with the motor, the actuating lever middle part is equipped with a pair of round pin post, the drive shaft middle part is equipped with the annular drive piece that becomes the slope setting with the drive shaft outward, annular drive piece one side is inserted and is established between actuating lever two round pin posts, above-mentioned casing rear end is equipped with the back cavity, be equipped with feeding device in the back cavity, feeding device's upper end articulates on the cavity lateral wall of back, lower extreme and actuating lever one end pin joint, the drive actuating lever drives the drive actuating lever after the eccentric rotation and makes reciprocating motion, the actuating lever drives and pulls reciprocating motion, pull drive feeding device extrusion packing element and go out glue.

Description

Electric glue gun

Technical Field

The utility model relates to a glue gun technical field especially relates to an electronic rifle of gluing.

Background

The traditional manual glue gun has the advantages that the structure is simple, the cost is low, the defect working efficiency is low, and the operation is more laborious. Compared with a manual glue gun, the existing electric glue gun has the advantages of high working efficiency and easiness in use, but a driving device for driving a glue barrel to discharge glue of the existing electric glue gun does not directly drive a pulling handle of the manual glue gun, but drives a gear through a motor, and the gear drives a push rod with a rack to extrude the glue barrel to discharge glue.

SUMMERY OF THE UTILITY MODEL

In view of the defect that current electronic rifle of gluing exists, the utility model aims to solve the technical problem that: provides the electric glue gun with low manufacturing cost and convenient use.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: an electric glue gun comprises a shell, a feeding device and a wrench handle driving device, wherein a handle is arranged below the rear end of the shell, a switch, a battery pack and a control panel are arranged on the handle, a rubber cylinder accommodating groove is arranged at the front end of the shell, a lower cavity is arranged below the rubber cylinder accommodating groove, the wrench handle driving device is arranged in the lower cavity and comprises a motor, a clutch, a driving shaft and a driving rod, the motor is arranged at the front end of the lower cavity, two ends of the driving shaft are arranged at the rear end of the lower cavity through bearings, the driving shaft is connected with the motor through the clutch, and an annular driving sheet which is obliquely arranged with the driving shaft is arranged outside the middle part of the driving shaft; the two ends of the driving rod are arranged below the driving rod through the fixed seat, a pair of pin columns is further arranged above the middle part of the driving rod, the annular driving sheet in the middle part of the driving rod is obliquely inserted between the two pin columns of the driving rod, and the annular driving sheet is respectively contacted with the two pin columns; the rear end of the shell is provided with a rear cavity, a feeding device is arranged in the rear cavity, the upper end of a wrench handle of the feeding device is hinged to two side walls of the rear cavity, and the lower end of the wrench handle is pivoted with one end of a driving rod of a wrench handle driving device.

Furthermore, the clutch comprises a shell, a planetary reducer, a pressure spring seat, a retainer ring and steel balls, wherein the shell is a hollow cylinder with one open end and the other closed end, the center of the closed end is provided with a central hole, a hollow pipe extends outwards along the central hole, the outer wall of the hollow pipe is provided with external threads, the closed end of the shell around the central hole is provided with a plurality of uniformly distributed through holes, each through hole is internally provided with a steel ball, the annular retainer ring penetrates through the outside of the hollow pipe to abut against the outer side of the closed end of the shell and seals the outer ends of all the through holes of the closed end of the shell, so that the steel balls in the through holes partially protrude out of the inner ends of the through holes, the hollow pipe is externally screwed with the pressure spring seat, and the pressure spring is arranged outside the hollow pipe between the pressure spring seat and the retainer ring; the planetary reducer is arranged in the shell and can freely rotate in the shell, one end of a gear ring of the planetary reducer is provided with a plurality of uniformly distributed toothed fixture blocks, steel balls protruding out of the inner end of the through hole abut against between adjacent fixture blocks of the gear ring of the planetary reducer, one end of a central shaft of the planetary reducer is connected with the motor, and the other end of the central shaft of the planetary reducer penetrates through the hollow tube and then is connected with the driving shaft.

Furthermore, two ends of the driving rod are respectively sleeved with a metal sleeve, and the metal sleeves are fixed on a fixed seat of the lower cavity of the machine shell.

Compared with the prior art, the utility model has the advantages of: the wrench driving device directly drives the wrench of the traditional manual glue gun feeding device to reciprocate, and the conventional electric glue gun does not need to process a rack on the push rod and process a plurality of gears matched with the push rod, so that the production cost is reduced.

Drawings

Fig. 1 is a schematic view of an electric glue gun according to the present invention.

Fig. 2 is an exploded schematic view of a handle driving device of an electric glue gun according to the present invention.

Fig. 3 is an exploded schematic view of a clutch structure of an electric glue gun according to the present invention.

Description of reference numerals: 1. a housing; 2. a feeding device; 3. a trigger driving device; 4. a handle; 5. a switch; 6. a battery pack; 7. a rubber cylinder accommodating groove; 8. a lower cavity; 9. a motor; 10. a clutch; 11. a drive shaft; 12. a drive rod; 13. an annular driving plate; 14. a fixed seat; 15. a pin; 16. a rear cavity; 17. a spanner handle; 18. a housing; 19. a planetary reducer; 20. a pressure spring; 21. a pressure spring seat; 22. a retainer ring; 23. steel balls; 24. a hollow tube; 25. a through hole; 26. a clamping block; 27. a central shaft; 28. a metal sheath; 29. a bearing seat; 30. a pivot part; 31. fixing the rod; 32. and (4) inserting the jack.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to fig. 2, the present embodiment provides an electric glue gun, which includes a housing 1, a feeding device 2, and a trigger driving device 3. The machine shell 1 is divided into two parts in the production process, the two parts are fixed through screws, the disassembly and the assembly are convenient, and in order to clearly illustrate the internal structure of the electric glue gun, the other half part of the machine shell 1 is omitted in the figure 1; a handle 4 is arranged below the rear end of the casing 1, a switch 5 is arranged at the upper end of the handle 4, a battery pack 6 and a control panel are arranged at the lower end of the handle 4, a rubber cylinder accommodating groove 7 for accommodating a rubber cylinder is arranged at the front end of the casing 1, a lower cavity 8 is arranged below the rubber cylinder accommodating groove 7, and a rear cavity 16 is arranged at the rear end of the casing 1. A wrench handle driving device 3 is arranged in the lower cavity 8 of the shell, the wrench handle driving device 3 comprises a motor 9, a clutch 10, a driving shaft 11 and a driving rod 12, the motor 9 is arranged at the front end of the lower cavity 8, the driving shaft 11 is arranged at the rear end of the lower cavity 8, and the motor 9 and the driving shaft 11 are connected through the clutch 10; bearings are arranged at two ends of the driving shaft 11, a bearing seat 29 is arranged at the rear end of the lower cavity 8, the bearings at two ends of the driving shaft 11 are fixed on the bearing seat 29, and an annular driving sheet 13 which is obliquely arranged with the driving shaft 11 is arranged outside the middle part of the driving shaft 11; the two ends of the driving rod 12 are respectively sleeved with a metal sleeve 28, the driving rod 12 can freely slide back and forth in the two metal sleeves 28, the fixing seats 14 are respectively arranged below the two bearing seats 29 of the lower cavity 8, the metal sleeves 28 at the two ends of the driving rod 12 are fixed on the two fixing seats 14, a pair of pins 15 are further arranged above the middle part of the driving rod 12, one side of the annular driving sheet 13 in the middle part of the driving shaft 11 is obliquely inserted between the two pins 15, the annular driving sheet 13 is respectively contacted with the two pins 15, one end of the driving rod 12 is further provided with a pivoting part 30, and a pivoting hole is formed in the pivoting part 30; the feeding device 2 is arranged in a rear cavity 16 at the rear end of the casing 1, the feeding device 2 is a technology disclosed by the prior manual glue gun, and a detailed description is omitted, wherein the upper end of a wrench handle 17 of the feeding device 2 is hinged on two side walls of the rear cavity 16, and the lower end is pivoted with a pivoting part 30 at one end of a driving rod 12 of a wrench handle driving shaft device 3. The motor 9, the battery pack 6 and the switch 5 are connected with the control panel through electric wires, when the electric glue gun works, the motor 9 drives the driving shaft 11 to rotate through the clutch 10, the driving shaft 11 drives the annular driving sheet 13 to eccentrically rotate, the annular driving sheet 13 eccentrically rotates to drive the two pin columns 15 on the driving rod 12, so that the driving rod 12 reciprocates back and forth along the casing 1, meanwhile, the driving rod 12 drives the trigger 17 pivoted with the driving rod to reciprocate, and the feeding device extrudes 2 the glue cylinders to discharge glue.

Referring to fig. 3, the clutch 10 includes a housing 18, a planetary reducer 19, a compression spring 20, a compression spring seat 21, a retainer ring 22 and steel balls 23, the housing 18 is a hollow cylinder with one end open and the other end closed, the center of the closed end is provided with a central hole, a hollow tube 24 is extended outwards along the central hole, the outer wall of the hollow tube 24 is provided with external threads, the closed end of the housing 18 around the central hole is provided with a plurality of through holes 25 uniformly distributed, each through hole 25 is provided with a steel ball 23, the annular retainer ring 22 passes through the hollow tube 24 and abuts against the outer side of the closed end of the housing 18, and closes the outer ends of all through holes 25 at the closed end of the housing 18, so that the steel balls 23 in the through holes 25 partially protrude out of the inner ends of the through holes 25, the compression spring seat 21 is screwed outside the hollow tube 24, and the compression spring 20 is arranged outside the hollow tube 24 between the compression spring seat 21 and the retainer ring 22; the planetary reducer 19 is arranged in the shell 18, one end of a gear ring of the planetary reducer 19 is provided with a plurality of uniformly distributed toothed fixture blocks 26, the outer side of the other end of the gear ring is inserted in an insertion hole 32 in the side wall of the opening end of the shell 18 through two fixing rods 31, so that the planetary reducer 19 is limited in the shell 18, but the gear ring can freely rotate in the shell 18, steel balls 23 protruding out of the inner end of a through hole 25 in the closed end of the shell 18 abut against adjacent fixture blocks 26 of the gear ring to limit the rotation of the gear ring, one end of a central shaft 27 of the planetary reducer 19 is connected with the motor 9, the other end of the central shaft passes through the hollow tube 24 and then is connected with the driving shaft 11 to drive the driving shaft 11 to rotate, when the rubber cylinder cannot discharge rubber, the load of the driving shaft 11 is too large, the load of the driving shaft 11 is transmitted to the planetary reducer 19, the fixture blocks 26 of the gear ring of the planetary reducer 19 are forced to extrude the steel balls 23 and cross the steel balls 23 to rotate, and the central shaft 27 can not rotate after the gear ring of the planetary reducer 19 rotates, so that the motor can be effectively prevented from being burnt.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electronic rifle of gluing, includes casing (1), feeding device (2) and pulls handle drive arrangement (3), casing (1) rear end below is equipped with handle (4), is equipped with switch (5), battery package (6) and control panel on handle (4), its characterized in that: the front end of the shell (1) is provided with a rubber cylinder accommodating groove (7), a lower cavity (8) is arranged below the rubber cylinder accommodating groove (7), a handle driving device (3) is arranged in the lower cavity (8), the handle driving device (3) comprises a motor (9), a clutch (10), a driving shaft (11) and a driving rod (12), the motor (9) is arranged at the front end of the lower cavity (8), two ends of the driving shaft (11) are arranged at the rear end of the lower cavity (8) through bearings, the driving shaft (11) is connected with the motor (9) through the clutch (10), and an annular driving sheet (13) which is obliquely arranged with the driving shaft (11) is arranged outside the middle of the driving shaft (11); the two ends of the driving rod (12) are arranged below the driving shaft (11) through the fixing seats (14), a pair of pins (15) is further arranged above the middle of the driving rod (12), the annular driving sheet (13) in the middle of the driving shaft (11) is obliquely inserted between the two pins (15) of the driving rod (12), and the annular driving sheet (13) is respectively contacted with the two pins (15); the rear end of the shell (1) is provided with a rear cavity (16), the rear cavity (16) is internally provided with a feeding device (2), the upper end of a wrench handle (17) of the feeding device (2) is hinged on two side walls of the rear cavity (16), and the lower end of the wrench handle is pivoted with one end of a driving rod (12) of the wrench handle driving device (3).

2. The electric glue gun according to claim 1, characterized in that: the clutch (10) comprises a shell (18), a planetary reducer (19), a pressure spring (20), a pressure spring seat (21), check rings (22) and steel balls (23), wherein one end of the shell (18) is open, the other end of the shell is closed, a hollow cylinder is arranged at the center of the closed end, a hollow pipe (24) extends outwards along the central hole, external threads are arranged on the outer wall of the hollow pipe (24), a plurality of uniformly distributed through holes (25) are formed in the closed end of the shell (18) at the periphery outside the central hole, the steel balls (23) are arranged in each through hole (25), the annular check ring (22) penetrates through the hollow pipe (24) and abuts against the outer side of the closed end of the shell (18), the outer ends of all the through holes (25) at the closed end of the shell (18) are closed, the steel balls (23) in the through holes (25) partially protrude out of the inner ends of the through holes (25), the hollow pipe (24) is externally screwed with the pressure spring seat (21), and the pressure spring (20) is arranged outside the pressure spring (24) between the pressure spring seat (21) and the check ring (22); the planetary reducer (19) is arranged in the shell (18) and can freely rotate in the shell (18), one end of a gear ring of the planetary reducer (19) is provided with a plurality of uniformly distributed toothed fixture blocks (26), steel balls (23) protruding out of the inner end of the through hole (25) abut against between adjacent fixture blocks of the gear ring of the planetary reducer (19), one end of a central shaft (27) of the planetary reducer (19) is connected with the motor (9), and the other end of the central shaft penetrates through the hollow pipe (24) and then is connected with the driving shaft (11).

3. The electric glue gun according to claim 1, characterized in that: and two ends of the driving rod (12) are respectively sleeved with a metal sleeve (28), and the metal sleeves (28) are fixed on the fixed seat (14) of the lower cavity (8) of the machine shell (1).