CN112296941A

CN112296941A - Hand electric drill for screwing tyre screw

Info

Publication number: CN112296941A
Application number: CN202011238375.3A
Authority: CN
Inventors: 张海丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-02-02

Abstract

A tire screwing hand electric drill comprising: a hand-held motor part and a screw bit screwing part; the hand-held motor portion includes: the electric hand-held device comprises a motor shell, a hand-held rod, a switch button, a hand-held motor, a metal disc, a round-head rod, a metal disc, a round-head groove, a metal rod, three grabbing heads and an internal thread ring; through being equipped with the recess with the position on drill bit dish shell and the drill bit dish inner shell, make the recess button head can slide rotatory through the recess, realized according to the different drill bit quantity of the tire screw quantity adjustment of difference, when the drill bit shell rotates, because the ball simultaneously with pentagon drill bit upper groove and the inside recess sliding rotation cooperation of drill bit shell, so the drill bit shell drives the pentagon drill bit and rotates, while pentagon drill bit can angle of adjustment, reached the wrong screw effect that adapts to different curved surfaces.

Description

Hand electric drill for screwing tyre screw

Technical Field

The invention relates to the technical field of electric tools, in particular to a tire screw screwing electric hand drill.

Background

Nowadays, the number of automobiles and the types of automobiles are large, so that the types of the tires of the automobiles are also large, and the tires of different automobiles are also different, so that the screws on the tires are also different; however, the current repairmen person still uses a single screw to screw when changing the tire, which is inefficient, time-consuming and labor-consuming; therefore, a portable screwing tool driven by electric power, which can screw a plurality of screws simultaneously, is needed.

Disclosure of Invention

In order to solve the problems, the invention provides the tire screw screwing electric hand drill, when the drill bit shell rotates, the ball is in sliding and rotating fit with the upper groove of the pentagonal drill bit and the inner groove of the drill bit shell, so that the drill bit shell drives the pentagonal drill bit to rotate, and meanwhile, the angle of the pentagonal drill bit can be adjusted, and the screw screwing effect suitable for different curved surfaces is achieved.

The scheme of the invention is as follows: a tire screwing hand electric drill comprising: a hand-held motor part and a screw bit screwing part; the three grabbing heads of the handheld motor part clamp the triangular bars, and then the internal thread ring is rotated to enable the three grabbing heads to contract inwards to fix the triangular bars; the screw-screwing drill bit is partially rotated through the rotation of the motor and the transmission of the metal rod and the three grabbing heads, so that the screw-screwing effect is achieved.

Further, the hand-held motor portion includes: the electric hand-held device comprises a motor shell, a hand-held rod, a switch button, a hand-held motor, a metal disc, a round-head rod, a metal disc, a round-head groove, a metal rod, three grabbing heads and an internal thread ring; the handheld rod and the holding rod are fixedly arranged on the motor shell; the switch button is fixedly arranged on the holding rod and used for controlling the switch of the motor; the portable motor is fixedly arranged in the inner groove of the motor shell; one side of the metal disc is fixedly arranged at the end part of a motor shaft of the portable motor; the round head rod circumference array is arranged on the other side surface of the metal disc; the metal rod is rotatably arranged in the motor shell; one side of the metal disc is fixedly arranged at one end of the metal rod; the other side surface of the metal disc is provided with round head grooves in a circumferential array; the metal rod and the metal disc form an included angle; the round head of the round head rod close to the included angle is mutually matched with the round head groove in a rotating way; the screw driver is convenient for workers to use, and the screws are not required to be screwed down by squatting; the three grabbing heads are fixedly arranged at the other end of the metal rod; the internal thread ring is rotatably arranged on the outer sides of the three grabbing heads, and the internal thread ring is meshed with the outer sides of the three grabbing heads.

Further, the screwdriver bit portion includes: the drill bit disc comprises a drill bit disc outer shell, a drill bit disc inner shell, a large straight gear, a small straight gear, a concave round head, a fixed concave circular column and a triangular strip; the drill bit disc inner shell is fixedly arranged inside the drill bit disc outer shell; the fixed groove cylinder is fixedly arranged in a groove on the inner shell of the drill bit disc; the large straight gear is rotatably arranged in the center of the inner shell of the drill bit disc; the triangular bar is fixedly arranged in the center of the side surface of the large straight gear and penetrates through a hole in the inner shell of the drill bit disc; the small straight gear is fixedly arranged on the drill bit shell and is meshed with the large straight gear; the round head of the groove is fixedly arranged at the end part of the drill bit shell, and the round head of the groove is in sliding fit with the fixed groove cylinder and used for fixing the drill bit shell.

Further, the screwdriver bit portion further comprises: a pentagonal drill bit, a semicircular sheet, a round ball, a three-ball rod and a circular groove; a circular groove is formed in the middle of the inner part of the drill bit shell; one end of the three ball rods is rotatably arranged in the circular groove; the groove at the top end of the middle part of the semicircular sheet is rotatably arranged on the three ball rods; the sphere array is rotatably arranged in the groove on the side surface of the semicircular sheet; the pentagonal drill bit is provided with an array groove which is mutually matched with the round ball in a sliding and rotating way; meanwhile, the ball is in sliding and rotating fit with the groove on the inner side surface of the pentagonal drill bit.

Has the advantages that:

1. the three grabbing heads are tightened and loosened through the rotary sliding of the internal thread ring; when portable motor drive motor shaft rotated, the motor shaft drove the metal disc and rotates, because the cooperation of button head pole and button head recess, the metal disc drove the metal disc and rotates, and the metal disc drives the metal pole and rotates, and the metal pole drives three and grabs the head and rotate, has realized power transmission, very big time and the efficiency of the artifical screw of having saved.

2. Through being equipped with the recess with the position on drill bit dish shell and the drill bit dish inner shell, make the recess button head can slide through the recess and rotate, realized according to the different drill bit quantity of the tire screw quantity adjustment of difference, realized the effect that a instrument dealt with multiple tire screw, very big improvement work efficiency.

3. When rotating through the drill bit shell, because the ball simultaneously with pentagon drill bit upper groove and the inside recess sliding rotation cooperation of drill bit shell, so the drill bit shell drives the pentagon drill bit and rotates, while pentagon drill bit can angle of adjustment, has reached the wrong screw effect that adapts to different curved surfaces, very big manpower and materials of having saved have improved the rate of utilization of instrument, have improved work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIGS. 2 and 3 illustrate a hand held motor portion of the present invention;

FIGS. 4-9 illustrate a portion of the screwdriver bit of the present invention;

reference numerals: 1-a hand-held motor part; 2-screwing the screw drill bit part; 101-a motor housing; 102-a handheld wand; 103-a grab bar; 104-a switch button; 105-a hand-held motor; 106-metal disk; 107-round head bar; 108-metal disc; 109-round head grooves; 110-a metal rod; 111-three gripper heads; 112-an internally threaded ring; 201-a drill plate housing; 202-a bit housing; 203-pentagonal drill bit; 204-inner casing of drill bit disc; 205-large spur gear; 206-small spur gear; 207-a concave rounded head; 208-fixing the grooved cylinder; 209-triangular bar; 210-a semicircular sheet; 211-round ball; 212-three clubs; 213-circular groove.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, a hand electric drill for driving a tire screw includes: a hand-held motor part 1 and a screw bit screwing part 2; the three grabbing heads 111 of the handheld motor part 1 clamp the triangular bars 209, and then the internal thread ring 112 is rotated to enable the three grabbing heads 111 to contract inwards to fix the triangular bars 209; the screw-screwing drill bit part 2 is rotated through the rotation of the motor and the transmission of the metal rod 110 and the three grabbing heads 111, so that the screw-screwing effect is achieved;

the hand-held motor portion 1 includes: the electric motor comprises a motor shell 101, a handheld rod 102, a handheld rod 103, a switch button 104, a handheld motor 105, a metal disc 106, a round-head rod 107, a metal disc 108, a round-head groove 109, a metal rod 110, a three-grabbing-head 111 and an internal thread ring 112;

the hand-held rod 102 and the hand-held rod 103 are fixedly arranged on the motor shell 101; the switch button 104 is fixedly arranged on the holding rod 103 and used for controlling the switch of the motor; the portable motor 105 is fixedly arranged in the inner groove of the motor shell 101; one side of the metal disc 106 is fixedly arranged at the end part of a motor shaft of the portable motor 105; the round head rods 107 are arranged on the other side surface of the metal plate 106 in a circumferential array; the metal rod 110 is rotatably installed inside the motor housing 101; one side of the metal disc 108 is fixedly arranged at one end of the metal rod 110; the other side surface of the metal disc 108 is provided with a circular head groove 109 in a circumferential array; the metal rod 110 and the metal plate 106 form an included angle; the round head of the round head rod 107 close to the included angle is mutually matched with the round head groove 109 in a rotating way; the screw driver is convenient for workers to use, and the screws are not required to be screwed down by squatting; the three-grabbing-head 111 is fixedly arranged at the other end of the metal rod 110; the internal thread ring 112 is rotatably arranged on the outer side of the three grabbing heads 111, the internal thread ring 112 is meshed with the outer side of the three grabbing heads 111, and the three grabbing heads 111 are tightened and loosened by the rotation and sliding of the internal thread ring 112; when the portable motor 105 drives the motor shaft to rotate, the motor shaft drives the metal disc 106 to rotate, and due to the matching of the round-head rod 107 and the round-head groove 109, the metal disc 106 drives the metal disc 108 to rotate, the metal disc 108 drives the metal rod 110 to rotate, and the metal rod 110 drives the three grabbing heads 111 to rotate, so that power transmission is realized.

In an alternative embodiment of the present embodiment, the screwdriver bit portion 2 comprises, in addition to the same components as the previous embodiment: the drilling head comprises a drilling head disc outer shell 201, a drilling head outer shell 202, a drilling head disc inner shell 204, a large spur gear 205, a small spur gear 206, a groove round head 207, a fixed groove circular column 208 and a triangular strip 209;

the drill bit disk inner shell 204 is fixedly arranged inside the drill bit disk outer shell 201; the fixed groove cylinder 208 is fixedly arranged in the groove on the inner shell 204 of the drill bit disc; the large spur gear 205 is rotatably arranged in the center of the inner shell 204 of the drill bit disc; the triangular bar 209 is fixedly arranged in the center of the side surface of the large spur gear 205 and penetrates through a hole in the inner shell 204 of the drill bit disc; the small spur gear 206 is fixedly arranged on the drill bit shell 202, and the small spur gear 206 is meshed with the large spur gear 205; the round head 207 of the groove is fixedly arranged at the end part of the drill bit shell 202, and the round head 207 of the groove is in sliding fit with the round column 208 of the fixed groove and is used for fixing the drill bit shell 202; the grooves at the same position are arranged on the drill bit disc outer shell 201 and the drill bit disc inner shell 204, so that the groove round heads 207 can slide and rotate through the grooves, and different drill bit quantities can be adjusted according to different tire screw quantities; when the three grabbing heads 111 clamp the triangular bar 209, the three grabbing heads 111 drive the triangular bar 209 to rotate, the triangular bar 209 drives the large spur gear 205 to rotate, and the large spur gear 205 drives the small spur gear 206 to rotate, so that the effect of rotating the screwing drill bit part 2 is achieved.

In an alternative embodiment of the present embodiment, the screwdriver bit portion 2 comprises, in addition to the same components as the previous embodiment: a pentagonal drill bit 203, a semicircular plate 210, a round ball 211, a three-ball rod 212 and a circular groove 213;

a circular groove 213 is arranged in the middle of the interior of the drill bit shell 202; one end of the three-ball rod 212 is rotatably arranged in the circular groove 213; the groove at the top end of the middle part of the semicircular sheet 210 is rotatably arranged on the three-ball rod 212; the round balls 211 are rotatably arranged in grooves on the side surfaces of the semicircular sheets 210; the pentagonal drill bit 203 is provided with an array groove which is mutually matched with the round ball 211 in a sliding and rotating way; meanwhile, the ball 211 is in sliding and rotating fit with a groove on the inner side surface of the pentagonal drill bit 203; when drill bit shell 202 rotates, because ball 211 goes up recess and the inside recess sliding rotation fit of drill bit shell 202 simultaneously with pentagonal drill bit 203, so drill bit shell 202 drives pentagonal drill bit 203 and rotates, and pentagonal drill bit 203 can angle of adjustment simultaneously, has reached the wrong screw effect that adapts to different curved surfaces.

The working principle is as follows: the invention has two screw-screwing forms, corresponding to four screws or five screws on the tire, and is initially provided with five drill bits; one of the drill bits is fixed and does not change; the three drills need to be operated manually to enable the round groove head 207 to be separated from the fixed groove circular column 208, then the three drills slide to the other fixed groove circular column 208 according to the sliding groove in the inner casing 204 of the drill plate, and then the round groove head 207 is matched with the other fixed groove circular column 208 manually; a drill bit is arranged, and when the round head 207 of the groove is separated from the round cylinder 208 of the fixed groove, the drill bit needs to rotate to turn outwards; thus, the work of other four drill bits cannot be influenced; the other four drills correspond to the condition of four screws of the tire after adjusting the positions; the power transmission is the same for both states; the portable motor 105 is started by pressing the switch button 104, the portable motor 105 drives the metal rod 110 to rotate, the metal rod 110 drives the three grabbing heads 111 to rotate, the three grabbing heads 111 clamp the triangular strips 209, the three grabbing heads 111 drive the triangular strips 209 to rotate, the triangular strips 209 drive the large spur gears 205 to rotate, the large spur gears 205 drive the small spur gears 206 to rotate, the small spur gears 206 drive the drill bit shell 202 to rotate, the drill bit shell 202 drives the pentagonal drill bit 203 to rotate, and the screw screwing effect is achieved.

Claims

1. The utility model provides a twist tire screw electric hand drill which characterized in that includes: a hand-held motor part (1) and a screw bit screwing part (2); the three grabbing heads (112) of the handheld motor part (1) clamp the triangular bar (209), and then the internal thread ring (112) is rotated to enable the three grabbing heads (111) to contract inwards to fix the triangular bar (209); the screw-screwing drill bit part (2) is rotated through the rotation of the motor and the transmission of the metal rod (110) and the three grabbing heads (111), so that the screw-screwing effect is achieved;

the hand-held motor part (1) comprises: the electric hand-held device comprises a motor shell (101), a hand-held rod (102), a hand-held rod (103), a switch button (104), a hand-held motor (105), a metal disc (106), a round-head rod (107), a metal disc (108), a round-head groove (109), a metal rod (110), a three-grabbing head (111) and an internal thread ring (112); the handheld rod (102) and the handheld rod (105) are fixedly arranged on the motor shell (101); the switch button (104) is fixedly arranged on the holding rod (103) and is used for controlling the switch of the motor; the portable motor (105) is fixedly arranged in the inner groove of the motor shell (101); one side of the metal disc (106) is fixedly arranged at the end part of a motor shaft of the portable motor (105); the round head rods (107) are arranged on the other side surface of the metal disc (106) in a circumferential array; the metal rod (110) is rotatably arranged inside the motor shell (101); one side of the metal disc (108) is fixedly arranged at one end of the metal rod (110); the other side surface of the metal disc (108) is provided with round head grooves (109) in a circumferential array; the metal rod (110) and the metal disc (106) form an included angle; the round head of the round head rod (107) close to the included angle is mutually matched with the round head groove (109) in a rotating way; the screw driver is convenient for workers to use, and the screws are not required to be screwed down by squatting; the three grabbing heads (111) are fixedly arranged at the other end of the metal rod (110); the internal thread ring (112) is rotatably arranged on the outer sides of the three grabbing heads (111), and the internal thread ring (112) is meshed with the outer sides of the three grabbing heads (111).

2. A tyre screwing hand drill according to claim 1, characterised in that said screwing bit portion (2) comprises: the drilling bit comprises a drilling bit disc outer shell (201), a drilling bit outer shell (202), a drilling bit disc inner shell (204), a large straight gear (205), a small straight gear (206), a groove round head (207), a fixed groove circular column (208) and a triangular strip (209); the drill bit disc inner shell (204) is fixedly arranged inside the drill bit disc outer shell (201); the fixed groove cylinder (208) is fixedly arranged in the groove on the inner shell (204) of the drill bit disc; the large spur gear (205) is rotatably arranged at the center of the inner shell (204) of the drill bit disc; the triangular bar (209) is fixedly arranged in the center of the side surface of the large straight gear (205) and penetrates through a hole in the inner shell (204) of the drill bit disc; the small straight gear (206) is fixedly arranged on the drill bit shell (202), and the small straight gear (206) is meshed with the large straight gear (205); the groove round head (207) is fixedly arranged at the end part of the drill bit shell (202), and the groove round head (207) is in sliding fit with the fixed groove round column (208) and used for fixing the drill bit shell (202).

3. A tire screwing hand drill according to claim 2, characterised in that said screwing bit portion (2) further comprises: a pentagonal drill bit (203), a semicircular sheet (210), a round ball (211), a three-ball rod (212) and a round groove (213); a circular groove (213) is arranged in the middle of the inner part of the drill bit shell (202); one end of the three-ball rod (212) is rotatably arranged in the circular groove (213); the groove at the top end of the middle part of the semicircular sheet (210) is rotatably arranged on the three-ball rod (212); the round ball (211) array is rotatably arranged in a groove on the side surface of the semi-circular plate (210); the pentagonal drill bit (203) is provided with an array groove which is mutually matched with the round ball (211) in a sliding and rotating way; meanwhile, the round ball (211) is in sliding and rotating fit with the groove on the inner side surface of the pentagonal drill bit (203).