阅读说明：本技术 一种螺钉规格调节装置及打钉设备 (Screw specification adjusting device and nailing equipment ) 是由 李凯凯 吹拔正敏 于 2018-07-25 设计创作，主要内容包括：本发明公开了一种螺钉规格调节装置及打钉设备,属于机械设备技术领域。本发明所提供的螺钉规格调节装置包括调节座、调节按钮和离合组件,通过将调节按钮设置在调节座的顶部,将导轨设置在调节座的侧部,当需要调整螺钉规格调节装置固定螺丝钉的长度时,可以从调节座的顶部按压调节按钮,利用调节按钮驱动导向杆,导向杆驱动定位销从锁定槽内脱离,然后从调节座的侧部抽拉导轨,从而改变导轨与调节座的相对位置。顶部按压、侧部抽拉的操作方法不仅可操作性强,便于用户用力,且便于用户直观地观察导轨抽拉的长度,有利于精确控制。(The invention discloses a screw specification adjusting device and nailing equipment, and belongs to the technical field of mechanical equipment. The screw specification adjusting device comprises an adjusting seat, an adjusting button and a clutch assembly, wherein the adjusting button is arranged at the top of the adjusting seat, the guide rail is arranged at the side part of the adjusting seat, when the screw specification adjusting device is required to adjust the length of a fixed screw, the adjusting button can be pressed from the top of the adjusting seat, the adjusting button is used for driving the guide rod, the guide rod drives the positioning pin to be separated from the locking groove, and then the guide rail is pulled from the side part of the adjusting seat, so that the relative position of the guide rail and the adjusting seat is changed. The operation method of top pressing and side drawing has strong operability, is convenient for a user to exert force, is convenient for the user to visually observe the drawing length of the guide rail, and is favorable for accurate control.)

1. A screw specification adjustment device, comprising:

an adjusting seat;

the guide rail is slidably arranged on the side part of the adjusting seat and is provided with a through hole arranged along the sliding direction, a screw passes through the through hole, and the guide rail also comprises a locking groove extending along the sliding direction;

clutch module, including adjustment button, guide bar and locating pin, adjustment button is protruding to be located adjust the seat top surface, the guide bar is followed adjustment button's the movably location of direction of pressing the regulation seat in, the locating pin is along the perpendicular to the direction of pressing the movably location of direction adjust in the seat, the removal of guide bar can drive the locating pin removes in order to break away from the locking groove.

2. The screw gage adjustment device of claim 1,

the guide rod is of a U-shaped structure and comprises a connecting portion and guide portions connected to two ends of the connecting portion, the connecting portion is connected with the adjusting button, and the guide portions are in sliding connection with the positioning pins.

3. The screw gage adjustment arrangement of claim 2,

the guide part is provided with a guide groove, and the length direction of the guide groove and the length direction of the guide part form an acute angle;

the periphery of locating pin epirelief is equipped with the sliding part, sliding part sliding connection is in the guide slot.

4. Screw gauge adjustment device according to one of claims 1 to 3,

one end of the positioning pin is provided with a clamping portion, and the clamping portion is clamped in the locking groove.

5. The screw gage adjustment arrangement of claim 4,

the locking groove includes sticking department and spacing portion, the size of spacing portion is less than the size of joint portion, the size of sticking department is greater than the size of joint portion.

6. The screw gage adjustment arrangement of claim 5,

the inner wall of the locking groove is wavy.

7. The screw gage adjustment device of claim 1,

and one side of the locking groove is provided with scale marks along the length direction.

8. The screw gage adjustment device of claim 1,

and an elastic body is arranged between the other end of the positioning pin and the inner wall of the adjusting seat.

9. The screw gage adjustment device of claim 1,

the guide rail is the U-shaped structure, and it includes presses the splenium and connects press the regulation part at splenium both ends, the locking groove sets up on the regulation part, the through-hole sets up press the splenium.

10. A nailing apparatus comprising the screw size adjusting device of any of claims 1 to 9.

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a screw specification adjusting device and nailing equipment using the same.

Background

The drywall screwdriver is often used for building walls, the wall surfaces of the building walls form drywall after water is evaporated, and the drywall screwdriver can be used for quickly nailing nails on the drywall.

Because different building operations need to use the screw of different length, and the drywall screwdriver does not generally have the function of automatically adjusting the length of the screw to need the manual measurement screw to fix the length on the drywall screwdriver, not only complex operation wastes a large amount of manpower, but also the accuracy of manual positioning length is low. In order to achieve self-adjustment of the fixed length of the screw, some prior art accessories have been provided which can be used in drywall screwdrivers, such as screw size adjusting devices, but the screw size adjusting devices are not easily operable in use, and the way of adjusting the length of the screw generally includes two ways: 1. the lateral adjustment and the lateral shaft hole positioning are realized, and the adjustment mode is inconvenient to operate; 2. the vertical button and the vertical boss groove are positioned, and the specific adjusting position is not easy to observe in the adjusting mode during operation.

Therefore, how to provide a screw specification adjusting device, which is not only easy to operate, but also capable of intuitively observing the adjusting position of the screw length is a technical problem which needs to be solved at present.

Disclosure of Invention

An object of the present invention is to provide a screw specification adjusting apparatus which is compact in structure, is easy to operate, and facilitates observation of the adjustment length of a screw, thereby facilitating improvement of the efficiency of screw length adjustment.

Another object of the present invention is to provide a nailing device capable of automatically adjusting the length of a screw, which is easy to apply force when adjusting the length of the screw, easy to observe, and advantageous for quick nailing.

In order to achieve the purpose, the invention adopts the following technical scheme:

a screw gauge adjustment device comprising:

an adjusting seat;

the guide rail is slidably arranged on the side part of the adjusting seat and is provided with a through hole arranged along the sliding direction, a screw passes through the through hole, and the guide rail also comprises a locking groove extending along the sliding direction;

clutch module, including adjustment button, guide bar and locating pin, adjustment button is protruding to be located adjust the seat top surface, the guide bar is followed adjustment button's the movably location of direction of pressing adjust in the seat, the perpendicular to is followed to the locating pin the direction of pressing the direction is movably located adjust in the seat, the removal of guide bar can drive the locating pin removes in order to stretch into the locking groove or break away from the locking groove.

Preferably, the guide rod is of a U-shaped structure and comprises a connecting portion and guide portions connected to two ends of the connecting portion, the connecting portion is connected with the adjusting button, and the guide portions are in sliding connection with the positioning pins.

Preferably, the guide part is provided with a guide groove, and the length direction of the guide groove and the length direction of the guide part form an acute angle;

the periphery of locating pin epirelief is equipped with the sliding part, sliding part sliding connection is in the guide slot.

Preferably, the locking groove includes a locking portion and a limiting portion, the size of the limiting portion is smaller than that of the clamping portion, and the size of the locking portion is larger than that of the clamping portion.

Preferably, the inner wall of the locking groove is waved.

Preferably, one side of the locking groove is provided with a scale line along a length direction thereof.

Preferably, an elastic body is arranged between the other end of the positioning pin and the inner wall of the adjusting seat.

Preferably, the guide groove is a kidney-shaped groove.

Preferably, the guide rail is a U-shaped structure and comprises a pressing portion and adjusting portions connected to two ends of the pressing portion, the locking grooves are formed in the adjusting portions, and the through holes are formed in the pressing portion.

A nailing device comprises the screw specification adjusting device.

The invention has the beneficial effects that:

the invention provides a screw specification adjusting device, which is characterized in that an adjusting button is arranged at the top of an adjusting seat, a guide rail is slidably arranged at the side part of the adjusting seat, when the length of a space required by fixing screws of the screw specification adjusting device needs to be adjusted, the adjusting button can be pressed from the top of the adjusting seat by fingers to enable a positioning pin to be separated from a locking groove, and then the guide rail is pulled from the side part of the adjusting seat according to scales on the locking groove, so that the relative position of the guide rail and the adjusting seat is changed. Compared with the prior art, the operation method of top pressing and side part drawing has strong operability, the user can exert force conveniently, the locking groove is arranged on the side part of the adjusting seat, the user can observe the drawing length of the guide rail intuitively, and the user can control the guide rail accurately.

Drawings

FIG. 1 is a perspective view of a drywall screwdriver provided by the present invention;

FIG. 2 is a front view of a drywall screwdriver provided by the present invention;

FIG. 3 is a top view of a drywall screwdriver provided by the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a perspective view of the screw gage adjustment assembly provided in accordance with the present invention with a portion of the housing removed;

FIG. 6 is an assembly view of an adjustment block and guide rail provided by the present invention;

FIG. 7 is an exploded view of a portion of the screw gage adjustment mechanism provided in accordance with the present invention;

FIG. 8 is a perspective view of a guide bar provided by the present invention;

FIG. 9 is a perspective view of a locating pin provided by the present invention;

FIG. 10 is an assembly view of the adjustment block and guide rail with the adjustment knob in the reset position provided by the present invention;

FIG. 11 is a sectional view taken in the direction B-B of FIG. 10;

FIG. 12 is an assembly view of the adjustment block and guide rail with the adjustment knob of the present invention in a depressed position;

fig. 13 is a sectional view taken in the direction of C-C in fig. 12.

In the figure: 100. a screw specification adjustment device; 200. a hand-held seat; 201. a drive motor; 202. a transmission assembly; 203. an output shaft;

1. an adjusting seat; 2. an adjustment button;

3. a guide rail; 31. a locking groove; 32. an adjustment section; 33. a pressing part; 34. a through hole;

4. a guide bar; 41. a guide groove; 42. a connecting portion; 43. a guide portion;

5. positioning pins; 51. a sliding part; 52. a clamping part; 53. a connecting projection;

6. an elastomer; 7. a housing; 8. a secondary handle; 9. and (4) adapting the structure.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 4, the present embodiment provides a nailing device, which is a drywall screwdriver, which not only can achieve quick nailing, but also can adjust the space for accommodating screws, so that screws of different lengths can be used by the drywall screwdriver, thereby improving the applicability and versatility of the drywall screwdriver. Specifically, the drywall screwdriver includes a removably attachable hand held mount 200 and a screw size adjustment device 100. As shown in fig. 1 to 3, the handheld base 200 includes a housing, an end portion of which protrudes toward one side of the housing to form a main handle for a user to hold, and a cavity for accommodating a power assembly is formed in the housing. As shown in fig. 4, the power assembly specifically includes a driving motor 201, a transmission assembly 202, and an output shaft 203. The driving motor 201 is in transmission connection with the input end of the transmission assembly 202, the output end of the transmission assembly 202 is in transmission connection with the output shaft 203, and the output shaft 203 protrudes out of the shell. Further, to reduce the size of the handheld base 200, the transmission assembly 202 preferably employs a gear set that is compact, has a high gear ratio, and is suitable for use in small tools. The bottom demountable installation of main handle has battery pack, and battery pack is connected with driving motor 201 electricity, can provide the electric energy for driving motor 201.

The screw specification adjusting device 100 is an accessory capable of realizing quick nailing and adjusting the fixed length of a screw, and when quick nailing is required, the screw specification adjusting device 100 is assembled at the end part of the handheld base 200 where the output shaft 203 is arranged. The specific assembly method is to insert the portion of the output shaft 203 protruding out of the housing of the handset 200 into the screw specification adjustment apparatus 100.

As shown in fig. 5 to 7, the screw specification adjusting device 100 specifically includes a housing 7, the housing 7 is provided with an auxiliary handle 8, and the housing 7 is provided with an adapting structure 9, an elastic member, and an adjusting seat 1. The adapting structure 9 is located at the end of the screw specification adjusting device 100 close to the handheld base 200, and the output shaft 203 of the handheld base 200 is inserted into the adapting structure 9, so that the screw specification adjusting device 100 is connected with the handheld base 200. One end of the elastic part is connected with the adaptive structure 9, and the other end of the elastic part is connected with the adjusting seat 1. In this embodiment, the elastic member is preferably a spring. Adjust seat 1 and casing 7 sliding connection, specific connected mode can set up the slider on the outer wall of adjusting seat 1, sets up the spout on the inner wall of shell, utilizes the slip realization of slider in the spout to adjust seat 1 and casing 7 and is connected. Of course, the sliding groove can be arranged on the outer wall of the adjusting seat 1, and the sliding block can be arranged on the inner wall of the shell.

Further, as shown in fig. 6, the outer side of the adjusting seat 1 is slidably connected with a guide rail 3, the guide rail 3 is a U-shaped structure, the guide rail 3 specifically includes a pressing portion 33 and adjusting portions 32 connected to two ends of the pressing portion 33, a through hole 34 allowing a screw to be screwed to pass is provided on the pressing portion 33, and a locking groove 31 is provided on the adjusting portion 32 extending along the sliding direction of the adjusting seat 1. For the space of holding the screw between the pressing part 33 of the guide rail 3 and the adjusting seat 1, the distance between the pressing part 33 on the guide rail 3 and the through hole of the adjusting seat 1 can be changed by moving the guide rail 3, thereby changing the size of the space for holding the screw.

When nailing by using a drywall screwdriver, the screw is installed between the pressing part 33 of the guide rail 3 and the adjusting seat 1, and a user holds the main handle, aligns the through hole 34 on the pressing part 33 with a wall to be nailed, and then presses the screwdriver onto the wall. In the pressing process, the housing 7 and the adjusting base 1 slide relatively, so that the output shaft 203 in the housing 7 presses the screw between the pressing portion 33 and the adjusting base 1, and the screw is screwed to the wall.

Further, in order to adjust the distance between the pressing portion 33 of the guide rail 3 and the adjusting seat 1, as shown in fig. 7, a clutch assembly is further arranged in the adjusting seat, the clutch assembly specifically comprises an adjusting button 2, a guide rod 4 and a positioning pin 5, a mounting hole is arranged on the top of the adjusting seat 1, the adjusting button 2 is arranged in the mounting hole, and the top of the adjusting button 2 protrudes out of the mounting hole. Adjust the inside of seat 1 and have the space that holds guide bar 4 and locating pin 5, guide bar 4 is along the movably interior regulation seat 1 that locates of the direction of pressing of adjustment button 2, and the direction of pressing is vertical direction, and in locating regulation seat 1 is movably along the direction of pressing the direction of perpendicular to locating of locating pin 5, the direction of pressing the perpendicular to is the horizontal direction, and the removal of guide bar 4 can drive locating pin 5 and remove in order to break away from locking groove 31. Specifically, as shown in fig. 8, the guide bar 4 has a U-shaped structure, which specifically includes a connecting portion 42 and guide portions 43 connected to both ends of the connecting portion 42. The connecting portion 42 is connected to the bottom of the adjusting button 2 by hot riveting in this embodiment, but may be detachably connected by screws or riveted by rivets in other embodiments. Since the guide rod 4 is connected to the adjustment button 2, the guide rod 4 can move toward the inside of the adjustment base 1 when the adjustment button 2 is pressed, and in this embodiment, the guide rod 4 moves in a vertical direction.

As shown in fig. 7 and 9, the positioning pin 5 is a rod-shaped structure, and the positioning pin 5 is horizontally disposed inside the adjusting seat 1 and can be moved in the horizontal direction by the driving of the guide rod 4. Specifically, one end of the positioning pin 5 is provided with a connecting protrusion 53, the inner wall of the adjusting seat 1 is provided with a fixing ring which protrudes inwards, an elastic body 6 is arranged in the fixing ring, and the connecting protrusion 53 is connected with the elastic body 6. The elastic body 6 can lock the positioning pin 5 when the positioning pin 5 moves in the horizontal direction. The other end of locating pin 5 is provided with joint portion 52, and joint portion 52 is cylindric structure, and the external diameter of joint portion 52 is greater than the external diameter of guide bar 4. A through hole allowing the clamping portion 52 to penetrate in and out is formed in the position, corresponding to the clamping portion 52, of the shell 7 of the adjusting seat 1, and the diameter of the through hole is larger than the outer diameter of the clamping portion 52. After the wear-out hole is worn out to joint portion 52, can the joint in locking groove 31 to realize adjusting the fixed of seat 1 and guide rail 3 position.

Further, in order to quantify the distance between the adjusting seat 1 and the guide rail 3, on one side of the locking groove 31, scale marks including a plurality of scales are arranged along the length direction of the locking groove 31, and in the embodiment, the scales are 25mm, 30mm, 35mm, 40mm, 45mm, 50mm and 55mm in sequence. When the clamping portion 52 passes through the through hole to be clamped at a position of 25mm, the distance between the pressing portion 33 representing the adjusting base 1 and the guide rail 3 is 25mm, that is, the screw length of the screw specification adjusting device 100 suitable for conveying is 25 mm. Of course, in other embodiments, the scale of the locking groove 31 can be specifically set according to specific situations.

For the position of accurate control joint portion 52 joint in locking groove 31, locking groove 31 includes a plurality of sticking department and spacing portion, and the size of spacing portion sets up to be less than the size of sticking department 52, sets up the size of sticking department to be greater than the size of sticking department 52 to interval setting, preferred evenly distributed on the length direction of locking groove 31 according to the scale. The catching portion 52 can be caught in the locking portion, but cannot pass through the stopper portion. In this embodiment, the upper and lower inner walls of the locking groove 31 are both wave-shaped, the wave crests of the upper and lower inner walls are the position-limiting portions of the locking groove 31, and the wave troughs of the upper and lower inner walls are the locking portions of the locking groove 31. Of course, in other embodiments, the inner wall of the locking groove 31 may be serrated or have other shapes as long as the maximum width and the minimum width of the gap are ensured.

In order to drive the positioning pin 5 to move in the horizontal direction by the guide rod 4, as shown in fig. 9, a sliding portion 51 is projected from a side wall of the positioning pin 5, the sliding portion 51 has a cylindrical structure, and the sliding portion 51 and the positioning pin 5 are vertically provided. The guide portion 43 is provided with a guide groove 41, the guide groove 41 is used for sliding fit with the sliding portion 51, and the shape of the guide groove 41 can be rectangular, kidney-shaped or other long shapes. In this embodiment, the guiding groove 41 is preferably a kidney-shaped hole, and the length direction of the guiding groove 41 and the length direction of the guiding portion 43 form an acute angle, the size of the acute angle is determined according to the moving distance of the guiding portion 43, and the size of the acute angle is 45 degrees in this embodiment. When the adjustment button 2 is pressed, the guide rod 4 moves downward, and the slide portion 51 can move in the guide groove 41. Since the guide groove 41 forms an acute angle with the moving direction of the guide bar 4 and the position of the positioning pin 5 in the vertical direction is kept constant, the positioning pin 5 can be moved in the horizontal direction when the guide bar 4 is moved downward.

Specifically, as shown in fig. 10 and 11, the position diagrams of the guide rod 4 and the positioning pin 5 when the adjustment button 2 is in the reset state are shown, and at this time, the adjustment button 2 is not subjected to an external force, the sliding portion 51 of the positioning pin 5 is located at the bottom of the guide groove 41, the snapping portion 52 of the positioning pin 5 snaps into the locking groove 31 under the elastic force of the elastic body 6, and a certain specific distance is maintained between the guide rail 3 and the adjustment base 1. When the user presses the adjusting button 2, as shown in fig. 12 and 13, the adjusting button 2 drives the guide rod 4 to move downward, the sliding portion 51 of the positioning pin 5 moves obliquely upward along the guide groove 41 to reach the top of the guide groove 41, and in the process, the positioning pin 5 cannot move in the vertical direction, so that the positioning pin 5 can only move in the horizontal direction, the clamping portion 52 moves toward the inside of the adjusting seat 1, the pressing elastic body 6 deforms, and the clamping portion 52 is separated from the locking groove 31. After the locking groove 31 on joint portion 52 and the guide rail 3 breaks away from, the manual removal guide rail 3 of user changes the distance of pressing the splenium 33 and adjusting between the seat 1 on the guide rail 3, and when adjusting suitable distance, the user stops to press adjustment button 2, and joint portion 52 moves to adjusting seat 1 outside under the effect of elastomer 6, and the joint is in the locking groove 31 on the guide rail 3 again to reverse drive adjustment button resets. The specific distance is kept between the guide rail 3 and the adjusting seat 1, so that the adjustment of the nail feeding length is realized.

In this embodiment, by arranging the adjustment button 2 on the top of the adjustment base 1 and the guide rail 3 on the side of the adjustment base 1, when the fixed length of the screw is required to be adjusted, the adjustment button 2 can be pressed by a finger from the top of the adjustment base 1 to disengage the positioning pin 5 from the locking groove 31, and then the guide rail 3 can be pulled from the side of the adjustment base 1 according to the scale on the locking groove 31, thereby changing the relative position of the guide rail 3 and the adjustment base 1. Compare in prior art, the operating method maneuverability is strong that the top was pressed, the lateral part pull in this embodiment, and the user of being convenient for exerts oneself, and through setting up locking groove 31 at the lateral part of adjusting seat 1, the length of the 3 pulls of guide rail is observed directly perceivedly to the user of being convenient for, the user accurate control of being convenient for.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.