CN213106652U

CN213106652U - Electric nailing gun

Info

Publication number: CN213106652U
Application number: CN202021525269.9U
Authority: CN
Inventors: 曹洺羲
Original assignee: Suzhou Baotu Precision Technology Co ltd
Current assignee: Suzhou Baotu Precision Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-04
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an electric nailing gun, which comprises a casing, wherein the casing is provided with a gun head and an upper nail clamp, and a nailing device is arranged in the casing; a gun head adjusting mechanism is arranged in the machine shell and is connected with a sliding gun head in the gun head in a clamping manner, and the front and back positions of the sliding gun head are adjusted; the nailing device comprises a driving mechanism arranged in the shell and a transmission mechanism connected with the driving mechanism, wherein the transmission mechanism is provided with a transmission disc, one end of a transmission rope is fixed on the transmission disc, and the other end of the transmission rope is fixed on the firing pin; the firing pin is arranged on a spring reset assembly, and a reset chamber for placing the spring reset assembly is arranged in the shell; the transmission disc rotates to drive the striker to move backwards, so that a return spring on the spring return assembly is in a compressed state; the transmission mechanism comprises a reset triggering part for triggering the reset of the reset spring. The nailing depth of the nailing gun can be changed by changing the sliding distance of the adjustable sliding gun head, and the stability is improved by changing the nailing depth.

Description

Electric nailing gun

Technical Field

The utility model relates to a handheld nailing instrument field especially relates to an electric nailing gun.

Background

The electric nailing gun is widely applied to the field of building decoration because of the advantages of small volume, high nailing speed, convenient operation, no need of external circuit equipment and the like. The needle outlet is connected with a firing pin arranged at the gun head by a transmission mechanism which drives the rotation-linear motion by a motor, so that electric energy can be converted into mechanical energy of reciprocating motion under the control of a switch. The current electric nailing gun has the phenomenon that the firing pin is delayed or not in place, which influences the accuracy of the nailing position of the nail.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an electric nailing gun, which improves the accuracy of the nail driving position through the structural improvement.

In order to achieve the above purpose, the utility model discloses a technical scheme is: an electric nailing gun comprises a shell, wherein a gun head and an upper nail clamp for providing nails for the gun head are arranged on the shell, and a nailing device is arranged in the shell and used for ejecting the nails at the gun head. A gun head adjusting mechanism is arranged in the machine shell and is connected with a sliding gun head in the gun head in a clamping manner, and the front and rear positions of the sliding gun head are adjusted; the nailing device comprises a driving mechanism arranged in the shell and a transmission mechanism connected with the driving mechanism, wherein the transmission mechanism is provided with a transmission disc, one end of a transmission rope is fixed on the transmission disc, and the other end of the transmission rope is fixed on the firing pin; the firing pin is arranged on a spring reset assembly, and a reset chamber for placing the spring reset assembly is arranged in the machine shell; the transmission disc rotates to drive the striker to move backwards, so that a return spring on the spring return assembly is in a compressed state; the transmission mechanism comprises a reset triggering part for triggering the reset of the reset spring.

Furthermore, the transmission mechanism comprises a transmission base fixedly connected to the casing, a transmission rotating shaft penetrates through the middle of the transmission base, an upper rotating block and a lower rotating block are movably sleeved on the transmission rotating shaft above the transmission base up and down, the upper rotating block and the lower rotating block can rotate relatively along the transmission rotating shaft, and the transmission disc is mounted on the upper rotating block; the lower rotating block is provided with a slot which is arranged along the radial direction of the transmission rotating shaft, and a movable block which slides along the radial direction of the transmission rotating shaft is arranged in the slot;

the reset triggering part comprises a limiting rotary groove arranged on the transmission base, a cam-shaped limiting boss is arranged in the middle of the limiting rotary groove, and a limiting channel used for limiting the moving direction of the movable block is limited and formed between the limiting rotary groove and the limiting boss; the movable block slides between the first station and the second station of the inner groove along with the rotation of the lower rotating block; the upper rotating block is provided with an overlapping part protruding outwards; when the movable block is positioned at the first station, the lap joint part abuts against the movable block, so that the upper rotating block and the lower rotating block synchronously rotate; when the movable block slides towards the second station, the lap joint part gradually separates from the movable block and finally releases, and the upper rotating block and the lower rotating block rotate relatively.

Further, the side wall of the transmission disc is provided with an annular wire groove for winding a transmission rope; one end of the transmission rope is fixedly connected in the annular wire groove, and the other end of the transmission rope is fixedly connected with the firing pin.

Furthermore, the driving mechanism comprises a driving motor and a gear transmission group which are fixed in the shell, and the driving motor is connected with the gear transmission group through a synchronous belt group; the gear transmission set comprises a first transmission gear, and the first transmission gear is arranged on the transmission rotating shaft below the transmission base.

Further, the spring return assembly comprises a first guide sleeve connected with the firing pin and a fixing piece fixed in the sliding chute, and the return spring is arranged between the first guide sleeve and the fixing piece.

Further, the head of the first guide sleeve is provided with an elastic shock pad.

Further, the gun head adjusting mechanism comprises an adjusting rod fixed on the casing, an adjusting thread is arranged on the adjusting rod and is in threaded connection with the adjusting gear through the adjusting thread, and the front and rear positions of the adjusting rod are adjusted; one end of the adjusting rod is clamped with the sliding gun head through a connecting rod, and the other end of the adjusting rod is connected with a switch shell hinged on the shell through a movable connecting rod; the switch shell is provided with a connecting assembly for triggering the induction device, and the induction device is linked with the driving motor.

Further, coupling assembling is including installing the extension rod on switch housing, articulating the rotation piece on the casing, the one end that rotates corresponds with the extension rod, the other end that rotates the piece corresponds with induction system.

Further, the gun head comprises a supporting part and a limiting part which are fixed in position, a sliding groove is formed in the supporting part, and the upper nail position of the upper nail clamp is located on the sliding groove; the sliding gun head is arranged between the supporting part and the limiting part in a sliding manner, a limiting groove is formed in the sliding gun head, a bolt is arranged on the limiting part, and the lower end of the bolt is located in the limiting groove; the sliding gun head is provided with a notch communicated with the sliding groove.

Further, a storage battery is arranged in the casing. The rechargeable storage battery of the storage battery is provided with a charging interface on the shell, and the storage battery can be charged through a charging wire. The storage battery is positioned at the lower end of the shell and supplies power to the driving motor and the induction device.

Compared with the prior art, the utility model can change the nailing depth of the nailing gun by adjusting the sliding distance of the sliding gun head, and the stability is improved by changing the nailing depth; the driving mechanism is arranged to convert the driving force of the driving mechanism into reciprocating linear motion of the firing pin in the gun body, so that the firing pin can be ejected and retracted.

Drawings

Fig. 1 is a schematic diagram of an external structure of an embodiment of the present invention.

Fig. 2 is a schematic diagram of an internal structure of an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a nailing device in an embodiment of the present invention.

Fig. 4 is an exploded view (lacking a transmission shaft) of a transmission mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic view of the transmission mechanism assembly according to the embodiment of the present invention (with additional transmission discs and transmission ropes).

Fig. 6 is a perspective view of a gun head adjusting mechanism in an embodiment of the present invention.

Fig. 7 is a perspective view of the embodiment of the present invention showing the combination of the supporting portion and the limiting portion.

Fig. 8 is a perspective view of the support portion in the embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to fig. 1 and 2, the electric nailing gun in the embodiment includes a housing 1, wherein a gun head 2 and an upper nail clamp 3 for providing nails for the gun head 2 are disposed on the housing 1, and a nailing device is disposed in the housing 1 to eject the nails at the gun head. A gun head adjusting mechanism is arranged in the machine shell 1 and is connected with a sliding gun head in the gun head 2 in a clamping manner, so that the front and back positions of the sliding gun head are adjusted.

Specifically, as shown in fig. 3, the nailing device includes a driving mechanism installed in the housing 1, and a transmission mechanism 42 connected to the driving mechanism, wherein the transmission mechanism 42 has a transmission disc 421, one end of a transmission cord 44 is fixed to the transmission disc 421, and the other end of the transmission cord 44 is fixed to the striker 45. In this embodiment, the side wall of the transmission disc 47 is provided with an annular wire casing for winding a transmission rope; one end of the driving rope 44 is fixedly connected in the annular wire casing, and the other end is fixedly connected with the firing pin 45. The striker 45 is mounted on a spring return assembly and a return chamber 101 is provided in the housing for the spring return assembly to be placed in. The spring return assembly includes a first guide sleeve 46 connected to the striker 45 and a fixing member 425 fixed in the sliding slot, a return spring 48 is disposed between the first guide sleeve 46 and the fixing member 425, and an elastic shock-absorbing pad is disposed at a head of the first guide sleeve 46, so that when the striker 45 is ejected outward, the first guide sleeve 46 impacts one end of the return chamber 101 to buffer it. In use, the drive disc 47 rotates to move the striker rearwardly, placing the return spring 48 on the spring return assembly in compression.

The transmission mechanism 42 includes a return trigger portion for triggering the return of the return spring 48. As shown in fig. 4 and 5, the transmission mechanism 42 includes a transmission base 421 fixed on the housing 1, a transmission shaft 422 is inserted into the middle of the transmission base 421, and an upper rotating block 423 and a lower rotating block 424 are respectively mounted on the transmission shaft 422 and are movable up and down, and the upper rotating block 423 and the lower rotating block 424 can rotate relatively along the transmission shaft 422. The transmission disc 47 is mounted on the upper rotating block 423; the lower rotating block 424 is provided with a slot 4241 arranged along the radial direction of the transmission rotating shaft, and a movable block 425 sliding along the radial direction of the transmission rotating shaft is arranged in the slot 4241.

The reset triggering part comprises a limiting rotary groove 4211 arranged on the transmission base 421, a cam-shaped limiting boss 4222 is arranged in the middle of the limiting rotary groove 4211, and a limiting channel for limiting the moving direction of the movable block is limited between the limiting rotary groove 4221 and the limiting boss 4222. When the transmission rotating shaft 422 rotates, the movable block 425 slides between the first position and the second position of the inner groove 4241 along with the rotation of the lower rotating block. The upper rotating block 423 is provided with an outward protruding lap joint 4231; when the movable block 425 is located at the first station, the lap joint part 4231 abuts against the movable block 425, so that the upper rotating block 423 and the lower rotating block 424 synchronously rotate; when the movable block 425 slides towards the second station, the overlapping portion 4231 gradually disengages from the movable block 425 and finally disengages, and the upper rotating block 423 and the lower rotating block 424 rotate relatively.

During the use, transmission pivot 422 clockwise rotation, overlap joint portion 4231 supports and leans on the movable block 425 for go up the synchronous clockwise rotation of rotating block 423, lower rotating block 424, transmission rope 44 anticlockwise winds on driving disc 47, and reset spring 48 receives the pulling force of transmission rope 44 this moment and is in the compression state. When the bridging portion 4231 is disengaged from the movable block 425, the driving rope 44 is driven to move forward by the elastic force of the return spring 48, the upper rotating block 423 rotates clockwise, and the firing pin 45 is ejected outwards at the moment.

The driving of the transmission rotating shaft 422 is realized by a driving mechanism, the driving mechanism comprises a driving motor 41 and a gear transmission group 49 which are fixed in the machine shell 1, and the driving motor 41 is connected with the gear transmission group 49 through a synchronous belt group 43. The gear train 491 includes a first transmission gear 4911, and the first transmission gear 4911 is disposed on the transmission rotation shaft 422 below the transmission base 421. The driving motor 41 rotates counterclockwise to drive the timing belt set 43 to rotate counterclockwise, so as to drive the auxiliary driven gear 4912 to rotate counterclockwise, an auxiliary gear is arranged between the auxiliary driven gear 4912 and the first transmission gear 4911, and transmission between the auxiliary driven gear 4912 and the first transmission gear 4911 is realized.

Referring to fig. 6, the lance tip adjusting mechanism includes an adjusting rod 51 fixed on the casing 1, and the adjusting rod 51 is provided with an adjusting screw and is in threaded connection with an adjusting gear 52 through the adjusting screw to adjust the front and rear positions of the adjusting rod. One end of the adjusting rod 51 is clamped with the sliding gun head 7 through a connecting rod 53, and the other end of the adjusting rod 51 is connected with a switch shell 55 hinged on the machine shell 1 through a movable connecting rod 54; the switch shell 55 is provided with a connecting assembly for triggering the induction device, and the induction device 6 is linked with the driving motor 41. Wherein: the connecting assembly comprises an extension rod 56 installed on the switch shell 55 and a rotating piece 57 hinged on the machine shell 1, wherein one end of the rotating piece 57 corresponds to the extension rod 56, and the other end of the rotating piece 57 corresponds to the sensing device 6.

Referring to fig. 7 and 8, the lance head 2 includes a fixed support portion 21 and a fixed limiting portion 22, the support portion 21 is provided with a sliding groove 211, the upper nail position of the upper nail clamp 3 is located on the sliding groove 211, and the striker 45 is slidably disposed in the sliding groove 211 to eject a nail entering the sliding groove 211. The sliding gun head 7 is arranged between the supporting part 21 and the limiting part 22 in a sliding manner, a limiting groove is formed in the sliding gun head 7, a bolt is arranged on the limiting part 22, and the lower end of the bolt is located in the limiting groove to limit the range of the sliding gun head 7 to move back and forth. The sliding gun head 7 is provided with a gap communicated with the sliding groove 211 for the ejection of nails.

A storage battery 8 is arranged in the machine shell 1. This battery 8 rechargeable battery is equipped with the interface that charges on the casing, can charge to the battery through the charging wire. The storage battery is positioned at the lower end of the shell and supplies power to the driving motor and the induction device.

The working process is as follows: the adjusting gear 52 is adjusted to adjust the position of the sliding gun head 7. During the use, slip rifle head 7 supports and leans on the nailing face, and manual stirring switch casing 55 triggers induction system 6, starts driving motor 41 and rotates, drives transmission pivot 422 anticlockwise rotation after skin tape transmission, gear transmission, and transmission dish 47 twines driving rope 44 on transmission dish 47 in step. During one rotation of the transmission rotating shaft 422, the overlapping portion 4231 and the movable block 425 are disengaged at the reset triggering position, and at the moment, the transmission disc 47 rotates clockwise under the action of the reset spring 48, and the striker 45 is ejected outwards.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. An electric nailing gun comprises a shell, wherein a gun head and an upper nail clamp for providing nails for the gun head are arranged on the shell, and a nailing device is arranged in the shell; the method is characterized in that: a gun head adjusting mechanism is arranged in the machine shell and is connected with a sliding gun head in the gun head in a clamping manner, and the front and rear positions of the sliding gun head are adjusted; the nailing device comprises a driving mechanism arranged in the shell and a transmission mechanism connected with the driving mechanism, wherein the transmission mechanism is provided with a transmission disc, one end of a transmission rope is fixed on the transmission disc, and the other end of the transmission rope is fixed on the firing pin; the firing pin is arranged on a spring reset assembly, and a reset chamber for placing the spring reset assembly is arranged in the machine shell; the transmission disc rotates to drive the striker to move backwards, so that a return spring on the spring return assembly is in a compressed state; the transmission mechanism comprises a reset triggering part for triggering the reset of the reset spring.

2. The electric nailing gun according to claim 1, wherein: the transmission mechanism comprises a transmission base fixedly connected to the shell, a transmission rotating shaft penetrates through the middle of the transmission base, an upper rotating block and a lower rotating block are movably sleeved on the transmission rotating shaft above the transmission base up and down, the upper rotating block and the lower rotating block can rotate relatively along the transmission rotating shaft, and the transmission disc is mounted on the upper rotating block; the lower rotating block is provided with a slot which is arranged along the radial direction of the transmission rotating shaft, and a movable block which slides along the radial direction of the transmission rotating shaft is arranged in the slot;

3. The electric nailing gun according to claim 2, wherein: the side wall of the transmission disc is provided with an annular wire groove for winding a transmission rope; one end of the transmission rope is fixedly connected in the annular wire groove, and the other end of the transmission rope is fixedly connected with the firing pin.

4. The electric nailing gun according to claim 2, wherein: the driving mechanism comprises a driving motor and a gear transmission group which are fixed in the shell, and the driving motor is connected with the gear transmission group through a synchronous belt group; the gear transmission set comprises a first transmission gear, and the first transmission gear is arranged on the transmission rotating shaft below the transmission base.

5. The electric nailing gun according to claim 1, wherein: the spring reset assembly comprises a first guide sleeve connected with the firing pin and a fixing piece fixed in the sliding chute, and the reset spring is arranged between the first guide sleeve and the fixing piece.

6. The electric nailing gun according to claim 5, wherein: the head of the first guide sleeve is provided with an elastic shock pad.

7. The electric nailing gun according to claim 1, wherein: the gun head adjusting mechanism comprises an adjusting rod fixed on the shell, an adjusting thread is arranged on the adjusting rod and is in threaded connection with the adjusting gear through the adjusting thread, and the front and rear positions of the adjusting rod are adjusted; one end of the adjusting rod is clamped with the sliding gun head through a connecting rod, and the other end of the adjusting rod is connected with a switch shell hinged on the shell through a movable connecting rod; the switch shell is provided with a connecting assembly for triggering the induction device, and the induction device is linked with the driving motor.

8. The electric nailing gun according to claim 7, wherein: coupling assembling is including installing extension rod on switch housing, articulating the rotation piece on the casing, the one end that rotates corresponds with the extension rod, the other end that rotates the piece corresponds with induction system.

9. The electric nailing gun according to claim 1, wherein: the gun head comprises a supporting part and a limiting part which are fixed in position, a sliding groove is formed in the supporting part, and the upper nail position of the upper nail clamp is located on the sliding groove; the sliding gun head is arranged between the supporting part and the limiting part in a sliding manner, a limiting groove is formed in the sliding gun head, a bolt is arranged on the limiting part, and the lower end of the bolt is located in the limiting groove; the sliding gun head is provided with a notch communicated with the sliding groove.

10. The electric nailing gun according to claim 1, wherein: a storage battery is arranged in the shell.