CN210414408U

CN210414408U - Nail gun

Info

Publication number: CN210414408U
Application number: CN201921105050.0U
Authority: CN
Inventors: 何红兵
Original assignee: Zhejiang Huihui Industry And Trade Co Ltd
Current assignee: Zhejiang Huihui Industry And Trade Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-28
Anticipated expiration: 2029-07-15

Abstract

The utility model provides a nail gun, which aims at the defect that the sheet material is easy to be damaged when the sheet material with thinner thickness and softer material is connected and fixed in the prior art, and comprises an expansion nail and a nail gun body, wherein the expansion nail comprises an expansion pipe and an inner expansion nail, and a clamping part is fixedly connected on the expansion pipe; the nail gun body comprises an outer pipe, an inner pipe and a control sleeve, a guiding through groove is formed in the outer pipe and is divided into a linear guiding through groove and an arc guiding through groove, the control sleeve is sleeved outside the outer pipe from the rear end of the outer pipe and can rotate and move back and forth outside the outer pipe, a guide rod is fixedly arranged in the control sleeve and penetrates through the guide groove and the strip-shaped through groove, and an ejector pin used for pushing an internal expansion nail into an expansion pipe is fixedly arranged in the control sleeve. The utility model discloses can press from both sides tightly fixed to the expansion pipe when using, can very big reduction expansion pipe produce the impact force to panel when pushing into the expansion pipe with the inflation nail to reduce the damage that causes panel.

Description

Nail gun

Technical Field

The utility model belongs to the technical field of soft board connecting tool, concretely relates to nail rifle.

Background

When assembling the sunlight panel, the connecting piece is often required to be used for fixedly connecting the aluminum alloy plates together, in the prior art, a screw or an expansion bolt is generally adopted as the connecting piece, the aluminum alloy plate on the sunlight panel is generally thinner in thickness and relatively softer in material, the screw is not suitable for the installation of the alloy plates, when the common expansion bolt is used as the connecting piece, the inner expansion nail is generally installed in the expansion pipe by adopting a knocking method, the aluminum alloy plate on the sunlight panel is always damaged due to the thickness, the material and other reasons, if the expansion bolt is installed with brute force, if the expansion bolt is carefully installed in a rotating mode, the installation wastes time and labor.

Disclosure of Invention

The utility model discloses carry out the drawback that damages to panel easily when connecting fixedly to thickness thinner, the softer panel of material among the prior art, provide a nail rifle, this nail rifle includes the dedicated nail rifle body of inflation nail and supporting this inflation nail, and it is very convenient to use the supporting inflation nail of this nail rifle body installation, and can not cause the damage to thickness thinner, the softer panel of material.

The invention aims to be realized by the following technical scheme: a nail gun comprises an expansion nail and a nail gun body, wherein the expansion nail comprises an expansion pipe and an inner expansion nail, at least two expansion grooves are formed in one end of the expansion pipe, a clamping tooth protruding outwards is fixedly connected to the position, located between the adjacent expansion grooves, of the outer side face of the end portion of the expansion pipe, the other end of the expansion pipe is fixedly connected with a clamping portion of an annular structure, the center line of the clamping portion is overlapped with the center line of the expansion pipe, and the outer side face of the clamping portion protrudes outwards relative to the expansion pipe;

the nail gun body comprises an outer pipe, an inner pipe and a control sleeve, wherein a guide through groove is formed in the outer pipe and is divided into a linear guide through groove and an arc-shaped guide through groove, the linear guide through groove is formed along the length of the outer pipe, the starting end to the tail end of the arc-shaped guide through groove are gradually close to the front end of the outer pipe, the tail end of the arc-shaped guide through groove is communicated with the end part, far away from the front end of the outer pipe, of the linear guide through groove, and the front end of the inner cavity of the outer pipe is of; the inner pipe is sleeved in the outer pipe and can rotate and move back and forth in the outer pipe, the front end of the inner pipe is provided with at least two furling grooves, the furling grooves divide the front end of the inner pipe into a plurality of clamping pieces used for clamping a clamping part on the expansion pipe, the outer side surfaces of the clamping pieces are arc-shaped structures which are gradually furled towards the front end of the inner pipe, when the outer side surfaces of the clamping pieces are contacted with the front end of the inner cavity of the outer pipe, the inner pipe continues to move forwards in the inner cavity of the outer pipe, and the clamping pieces are gradually drawn; the inner pipe is also provided with a strip-shaped through groove arranged along the length direction of the inner pipe;

the control sleeve is sleeved outside the outer pipe from the rear end of the outer pipe and can rotate and move back and forth outside the outer pipe, a guide rod is fixedly arranged in the control sleeve and penetrates through the guide groove and the strip-shaped through groove simultaneously, the guide rod can move along the guide groove and the strip-shaped through groove, a thimble used for pushing the inner expansion nail into the expansion pipe is fixedly arranged in the control sleeve, the central axis of the thimble coincides with the central axis of the control sleeve, the thimble is inserted into the inner cavity of the inner pipe, a spring used for pushing the inner pipe forwards is further arranged in the inner pipe, and the spring is located between the front end of the inner pipe and the guide rod.

Among the above-mentioned scheme, the rotation control cover can drive the inner tube and move forward, and then the clamping piece on the control inner tube presss from both sides tight clamping part with expansion pipe fixed connection, prevents that the expansion pipe from removing, and in this in-process clamping piece all fixed the clamping part in the rethread control cover promotes the thimble and pushes interior expanding nail into the expansion pipe, and then fixes the expansion pipe, and the reduction expansion pipe that can be very big produces the impact force to panel to reduce the damage that causes panel.

Preferably, the guide rod is perpendicular to the length direction of the inner tube, a connecting column parallel to the length direction of the control sleeve is fixedly connected to the center of the bottom of the inner cavity of the control sleeve, the ejector pin is fixedly arranged at the outer end of the connecting column, a through hole penetrating through the control sleeve and the connecting column is formed between the control sleeve and the connecting column, and the guide rod is arranged in the through hole and fixedly arranged on the control sleeve. The guide rod can be conveniently installed by the aid of the arrangement, the guide rod is inserted into the through hole and then is fixed on the control sleeve in glue bonding and other modes, and the installation is very convenient.

Preferably, the inner side of the clamping piece on the inner pipe is close to the rear end, a limiting block for limiting the clamping part is fixedly connected to the inner side of the clamping piece, the limiting block protrudes inwards relative to the clamping piece, a stop block for preventing the inner expansion nail from falling into the inner pipe is fixedly connected to the inner side of the limiting block, and the stop block protrudes inwards relative to the limiting block.

Preferably, the spring is disposed between the stopper and the guide bar.

Preferably, the tail end of the control sleeve is fixedly connected with a convex part which protrudes outwards and has a circular ring structure. The convex part is arranged, so that the area of the tail end of the control sleeve is increased, the contact area of the control sleeve and a user is increased when the control sleeve is used, and the control sleeve is more comfortable to use.

Preferably, the inner side of the clamping part is fixedly connected with an elastic sheet which is obliquely arranged towards the expansion pipe, the inner side surface of the elastic sheet is fixedly connected with a first helical tooth which is used for preventing the inner expansion nail from being separated from the expansion pipe, and the inner expansion nail is fixedly connected with a second helical tooth which is matched with the first helical tooth. First skewed tooth and the cooperation of second skewed tooth, including the nail that expands can be fixed more firm after inserting the expansion pipe, make the interior nail that expands be difficult for following the expansion pipe and drop.

Preferably, the tail end of the inner expansion nail is provided with a positioning groove with a conical structure, and the tip of the ejector pin is also of a conical structure. The arrangement ensures that the ejector pin and the inner expansion nail are not easy to slide relatively, so that the ejector pin can more accurately push the inner expansion nail to be inserted into the expansion pipe.

Preferably, the internal expansion nail comprises a nail body and a nail cap, the outer side surface of the nail cap protrudes outwards relative to the nail body, the outer end of the clamping portion is provided with a groove corresponding to the nail cap, and when the internal expansion nail is embedded into the expansion pipe, the nail cap is embedded into the groove.

Preferably, the outer surface of the outer pipe is further fixedly provided with a baffle plate with an outwardly protruding annular structure. The baffle can be as atress portion, avoids parts such as outer tube, inner tube to produce the impact force to the inflation nail when promoting the control cover to avoid causing the damage to panel.

Preferably, two sides of the outer surface of the outer pipe are respectively provided with a plane, and the planes are positioned between the baffle and the front end of the outer pipe. When the outer tube is used, the outer tube is not easy to rotate when a user holds the outer tube, and the outer tube is easier to hold.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses can press from both sides tight fixedly to the expansion pipe when using, push the expansion pipe with the expansion nail again in, this in-process can be very big reduce the expansion pipe and produce the impact force to panel to reduce the damage that causes panel, simultaneously, the utility model discloses overall structure reasonable in design assembles also very conveniently.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of the expansion tube;

FIG. 4 is a cross-sectional view of the expansion tube;

FIG. 5 is a perspective view of an internal expansion nail;

FIG. 6 is a perspective view of the inner tube;

FIG. 7 is a cross-sectional view of the inner tube;

FIG. 8 is a perspective view of the control sleeve;

the labels in the figure are: 1. expansion nail, 2, nail gun body, 3, expansion pipe, 4, internal expansion nail, 5, expansion groove, 6, latch, 7, clamping part, 8, elastic sheet, 9, first skewed tooth, 10, nail body, 11, nail cap, 12, groove, 13, second skewed tooth, 14, positioning groove, 15, outer pipe, 16, inner pipe, 17, control sleeve, 18, linear guide through groove, 19, arc guide through groove, 20, furl groove, 21, clamping sheet, 22, bar through groove, 23, limiting block, 24, stop dog, 25, connecting column, 26, thimble, 27, guide bar, 28, spring, 29, convex part, 30, baffle, 31, plane.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1-8, a nail gun comprises an expansion nail 1 and a nail gun body 2, wherein the expansion nail 1 comprises an expansion tube 3 and an internal expansion nail 4, at least two expansion grooves 5 are formed at one end of the expansion tube 3, a latch 6 which protrudes outwards is fixedly connected to the outer side surface of the end part of the expansion tube 3 between the adjacent expansion grooves 5, a clamping part 7 which is of a circular ring structure is fixedly connected to the other end of the expansion tube 3, the central line of the clamping part 7 coincides with the central line of the expansion tube 3, and the outer side surface of the clamping part 7 protrudes outwards relative to the expansion tube 3; the inner side of the clamping part 7 is fixedly connected with an elastic sheet 8 which is obliquely arranged towards the expansion pipe 3, and the inner side surface of the elastic sheet 8 is fixedly connected with a first helical tooth 9 which is used for preventing the inner expansion nail 4 from being separated from the expansion pipe 3; interior bloated nail 4 includes the nail body 10 and the head of a

nail

11, and 11 lateral surfaces of head of a nail are outwards outstanding for the

nail body

10, 7 outer ends of clamping part are equipped with the recess 12 that corresponds with the head of a nail 11, and when interior bloated nail 4 embedding expansion tube 3 was interior, head of a nail 11 embedding recess 12 was interior. And a second helical tooth 13 matched with the first helical tooth 9 is fixedly connected to the inner expansion nail 4. The tail end of the inner expansion nail 4 is provided with a positioning groove 14 with a conical structure.

The nail gun body 2 comprises an outer pipe 15, an inner pipe 16 and a control sleeve 17, wherein a guide through groove is formed in the outer pipe 15 and is divided into a linear guide through groove 18 and an arc-shaped guide through groove 19, the linear guide through groove 18 is arranged along the length of the outer pipe 15, the starting end to the tail end of the arc-shaped guide through groove 19 are gradually close to the front end of the outer pipe 15, the tail end of the arc-shaped guide through groove 19 is communicated with the end part, far away from the front end of the outer pipe 15, of the linear guide through groove 18, and the front end of the inner cavity of the outer pipe 15 is of; the inner tube 16 is sleeved in the outer tube 15 and can rotate and move back and forth in the outer tube 15, four drawing grooves 20 are formed in the front end portion of the inner tube 16, the front end of the inner tube 16 is divided into four clamping pieces 21 used for clamping the clamping portion 7 on the expansion tube 3 by the four drawing grooves 20, the outer side surface of each clamping piece 21 is of an arc-shaped structure gradually drawn towards the front end of the inner tube 16, when the outer side surface of each clamping piece 21 is in contact with the front end of the inner cavity of the outer tube 15, the inner tube 16 continuously moves forwards in the inner cavity of the outer tube 15, and the clamping pieces 21 are gradually drawn together; the inner pipe 16 is also provided with a strip-shaped through groove 22 arranged along the length direction of the inner pipe 16; the inner side of the clamping piece 21 on the inner tube 16 is close to the rear end position, the limiting block 23 limiting the clamping part 7 is fixedly connected, the limiting block 23 is arranged to prevent the clamping part 7 from continuously entering the inner tube 16, the limiting block 23 protrudes inwards relative to the clamping piece 21, the inner end of the limiting block 23 is fixedly connected with a stop block 24 used for preventing the inner expansion nail 4 from falling into the inner tube 16, and the stop block 24 protrudes inwards relative to the limiting block 23.

The control sleeve 17 is sleeved outside the outer tube 15 from the rear end of the outer tube 15 and can rotate and move back and forth outside the outer tube 15, a connecting column 25 parallel to the length direction of the control sleeve 17 is fixedly connected to the center of the bottom of an inner cavity of the control sleeve 17, a thimble 26 used for pushing the inner expansion nail 4 into the expansion tube 3 is fixedly connected to the top end of the connecting column 25, the central axis of the thimble 26 is coincident with the central axis of the control sleeve 17, the thimble 26 is inserted into the inner cavity of the inner tube 16, and the tip of the thimble 26 is of a conical structure. The control sleeve 17 is internally and fixedly provided with a guide rod 27 which is vertical to the length direction of the inner tube 16, the guide rod 27 is vertical to and intersected with the central axis of the control sleeve 17, a through hole which penetrates through the control sleeve 17 and the connecting column 25 is arranged between the control sleeve 17 and the connecting column 25, and the guide rod 27 is arranged in the through hole and is fixedly arranged on the control sleeve 17. The guide bar 27 also passes through the guide groove and the strip-shaped through groove 22 at the same time, and the guide bar 27 can move along the guide groove and the strip-shaped through groove 22. A spring 28 for pushing the inner tube 16 forward is further provided in the inner tube 16, and the spring 28 is provided between the stopper 24 and the guide bar 27. The tail end of the control sleeve 17 is fixedly connected with a convex part 29 which protrudes outwards and has a circular ring structure. The convex part 29 increases the area of the tail end of the control sleeve 17, further increases the contact area of the control sleeve 17 and a user when in use, and is more comfortable to use.

For convenience of use, a baffle 30 in an outwardly protruding annular structure is further fixed on the outer surface of the outer tube 15, two flat surfaces 31 are respectively arranged on two sides of the outer surface of the outer tube 15, and the flat surfaces 31 are located between the baffle 30 and the front end of the outer tube 15. When the expansion pipe is used, due to the arrangement of the plane 31, the outer pipe 15 is not easy to rotate when a user holds the outer pipe 15, the outer pipe 15 is easier to hold, the baffle 30 can be used as a stress part, and the outer pipe 15, the inner pipe 16 and other parts are prevented from generating impact force on the expansion pipe 3 when the control sleeve 17 is pushed, so that damage to the plate is avoided.

In the practical use of the utility model, firstly, the expansion pipe 3 is inserted into the hole of the position to be connected on the plate, and the latch 6 on the expansion pipe 3 passes through the hole, when the expansion pipe 3 is not inserted into the inner expansion nail 4, the front end of the expansion pipe 3 can be folded inwards to easily pass the latch 6 through the hole, then the inner expansion nail 4 is put into the front end of the inner pipe 16 to make the front end of the inner expansion nail 4 aligned with the clamping part 7, then the opening of the inner pipe 16 is aligned with the clamping part 7, at this time, the outer pipe 15 is not moved by holding the outer pipe 15 tightly, the control sleeve 17 is rotated, the guide rod 27 moves along the arc-shaped guiding through groove 19, at this time, the guide rod 27 rotates along with the control sleeve 17 and gradually moves towards the front end of the outer pipe 15, under the action of the spring 28 and the straight-line guiding through groove 18, the inner pipe 16 also rotates along with the straight-line guiding through groove, thereby making the four-piece clamping pieces 21 gradually approach to the clamping part 7 and finally clamp the clamping, the clamping piece 21 of inner tube 16 front end hugs closely the front end of 15 inner chambers of outer tube and can't continue to move forward this moment, promotes control sleeve 17 forward again at last, and guide bar 27 can not continue to drive inner tube 16 forward movement in leading to the groove 18 along with straight line direction this moment, and thimble 26 can insert expansion pipe 3 along with bloated nail 4 in the control sleeve 17 forward movement can promote, this in-process the utility model discloses all be firm clamping part 7 on the expansion pipe 3, only need control outer tube 15 motionless, just can control expansion pipe 3 motionless, and then can be very big reduce expansion pipe 3 and produce the impact force to panel to reduce the damage that causes panel.

In the assembly the utility model discloses a during nail rifle body 2, only need with inner tube 16 embedding outer tube 15 in, pack spring 28 into in the inner tube 16, connect the control sleeve 17 in the outer tube 15 outside from the outer tube 15 rear end cover again to lead to groove 22 with the bar and align the guide way, make the in-process that guide bar 27 passed the through-hole pass the bar simultaneously and lead to groove 22 and guide way, at last again with guide bar 27 fix on control sleeve 17 can, it is very convenient to assemble.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The nail gun is characterized by comprising an expansion nail (1) and a nail gun body (2), wherein the expansion nail (1) comprises an expansion pipe (3) and an inner expansion nail (4), at least two expansion grooves (5) are formed in one end of the expansion pipe (3), a clamping tooth (6) protruding outwards is fixedly connected to the position, between every two adjacent expansion grooves (5), of the outer side face of the end part of the expansion pipe (3), a clamping part (7) of an annular structure is fixedly connected to the other end of the expansion pipe (3), the center line of the clamping part (7) is overlapped with the center line of the expansion pipe (3), and the outer side face of the clamping part (7) protrudes outwards relative to the expansion pipe (3);

the nail gun body (2) comprises an outer pipe (15), an inner pipe (16) and a control sleeve (17), a guiding through groove is formed in the outer pipe (15), the guiding through groove is divided into a linear guiding through groove (18) and an arc-shaped guiding through groove (19), the linear guiding through groove (18) is arranged along the length of the outer pipe (15), the starting end to the tail end of the arc-shaped guiding through groove (19) are gradually close to the front end of the outer pipe (15), the tail end of the arc-shaped guiding through groove (19) is communicated with the end part, far away from the front end of the outer pipe (15), of the linear guiding through groove (18), and the front end of the inner cavity of the outer pipe (15) is of a circular;

the inner pipe (16) is sleeved in the outer pipe (15) and can rotate and move back and forth in the outer pipe (15), the front end part of the inner pipe (16) is provided with at least two furling grooves (20), the furling grooves (20) divide the front end of the inner pipe (16) into a plurality of clamping pieces (21) for clamping the clamping part (7) on the expansion pipe (3), the outer side surface of each clamping piece (21) is of an arc-shaped structure which is gradually furled towards the front end of the inner pipe (16), when the outer side surface of each clamping piece (21) is contacted with the front end of the inner cavity of the outer pipe (15), the inner pipe (16) continues to move forwards in the inner cavity of the outer pipe (15), and the clamping pieces (21) are gradually drawn together; the inner pipe (16) is also provided with a strip-shaped through groove (22) arranged along the length direction of the inner pipe (16);

the control sleeve (17) is sleeved outside the outer pipe (15) from the rear end of the outer pipe (15) and can rotate and move back and forth outside the outer pipe (15), a guide rod (27) is fixedly arranged in the control sleeve (17), the guide rod (27) penetrates through the guide groove and the strip-shaped through groove (22) at the same time, the guide rod (27) can move along the guide groove and the strip-shaped through groove (22), an ejector pin (26) used for pushing the inner expansion nail (4) into the expansion pipe (3) is further fixedly arranged in the control sleeve (17), the central axis of the ejector pin (26) is superposed with the central axis of the control sleeve (17), the ejector pin (26) is inserted into an inner cavity of the inner pipe (16), a spring (28) used for pushing the inner pipe (16) forward is further arranged in the inner pipe (16), and the spring (28) is located between the front end of the inner pipe (16) and the guide rod (.

2. The nail gun as claimed in claim 1, wherein the guide rod (27) is perpendicular to the length direction of the inner tube (16), a connecting column (25) parallel to the length direction of the control sleeve (17) is fixedly connected to the center of the bottom of the inner cavity of the control sleeve (17), the ejector pin (26) is fixedly arranged at the outer end of the connecting column (25), a through hole penetrating through the control sleeve (17) and the connecting column (25) is arranged between the control sleeve (17) and the connecting column (25), and the guide rod (27) is arranged in the through hole and is fixedly arranged on the control sleeve (17).

3. The nail gun as claimed in claim 2, wherein a stop block (23) for limiting the clamping part (7) is fixedly connected to the inner side of the clamping piece (21) on the inner tube (16) close to the rear end position, the stop block (23) protrudes inwards relative to the clamping piece (21), a stop block (24) for preventing the inner expansion nail (4) from falling into the inner tube (16) is fixedly connected to the inner end of the stop block (23), and the stop block (24) protrudes inwards relative to the stop block (23).

4. Nail gun according to claim 3, characterized in that the spring (28) is arranged between the stop (24) and the guide bar (27).

5. Nailing gun according to claim 1, characterized in that an outwardly protruding ring-shaped projection (29) is fixedly connected to the rear end of the control sleeve (17).

6. The nail gun according to claim 1, characterized in that the inner side of the clamping part (7) is fixedly connected with an elastic sheet (8) which is obliquely arranged towards the expansion pipe (3), the inner side surface of the elastic sheet (8) is fixedly connected with a first helical tooth (9) for preventing the inner expansion nail (4) from being separated from the expansion pipe (3), and the inner expansion nail (4) is fixedly connected with a second helical tooth (13) matched with the first helical tooth (9).

7. The nail gun as claimed in claim 6, characterized in that the rear end of the inner expansion nail (4) is provided with a positioning groove (14) with a conical structure, and the tip of the ejector pin (26) is also conical in structure.

8. A nail gun according to claim 1 or 7, characterized in that the inner expansion nail (4) comprises a nail body (10) and a nail cap (11), the outer side of the nail cap (11) protrudes outwards relative to the nail body (10), the outer end of the clamping part (7) is provided with a groove (12) corresponding to the nail cap (11), and the nail cap (11) is embedded in the groove (12) when the inner expansion nail (4) is embedded in the expansion tube (3).

9. Nail gun according to claim 1, characterized in that the outer surface of the outer tube (15) is further fixedly provided with a stop plate (30) of outwardly protruding annular ring-shaped configuration.

10. Nail gun according to claim 9, characterized in that the outer surface of the outer tube (15) is provided with a flat surface (31) on each side, the flat surfaces (31) being located between the stop (30) and the front end of the outer tube (15).