CN212146290U

CN212146290U - Shock-absorbing structure of firing pin for electric tool

Info

Publication number: CN212146290U
Application number: CN202020509797.9U
Authority: CN
Inventors: 任家利; 浦裕樑
Original assignee: Suzhou Changzhi Precision Machinery Co ltd
Current assignee: Suzhou Changzhi Precision Machinery Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-15
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a shock-absorbing structure of firing pin for electric tool, including the firing pin body, the firing pin body is inside including the installation lantern ring, and installs the inside movable groove of having seted up of lantern ring, and the first movable block of the inside swing joint of movable groove, the first spring of first movable block left end fixedly connected with, and first movable block is through first spring and movable groove swing joint, first movable block right-hand member fixedly connected with strikes the piece, first movable hole has been seted up on installation lantern ring right side, and first movable hole and strike piece swing joint, movable rod left side fixedly connected with second blotter, first loop bar and the inside left end fixedly connected with third blotter of second loop bar. This kind of shock-absorbing structure of firing pin for electric tool has reduced the whole probability that produces the damage, has increased holistic security, and has increased holistic life, has increased holistic practicality.

Description

Shock-absorbing structure of firing pin for electric tool

Technical Field

The utility model relates to a firing pin processing technology field specifically is a shock-absorbing structure of firing pin for electric tool.

Background

The electric tool utilizes elements such as a thyristor to form an electronic circuit, the rotating speed is adjusted according to the different depths of the switch snap fastener, so that the electric tool can select different rotating speeds according to the different processed objects when in use, and a large amount of electric tools in life need to use a firing pin to start, thereby increasing the overall safety and facilitating the overall practicability.

However, the existing striker for the electric tool has poor overall damping effect, is easily damaged by strong shaking in the using process, reduces the overall safety, has large impact on the striker in the impacting process, causes serious abrasion of the striker, reduces the overall service life, and reduces the overall practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock-absorbing structure of firing pin for electric tool to propose current firing pin for electric tool in solving above-mentioned background art, holistic shock attenuation effect is relatively poor, the in-process of using is damaged by powerful shake easily, holistic security has been reduced, and current firing pin for electric tool is whole great at the in-process that strikes to the impact of firing pin, make the wearing and tearing of firing pin serious, whole life has been reduced, thereby the problem of whole practicality has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a shock absorption structure of a firing pin for an electric tool comprises a firing pin body, wherein an installation lantern ring is arranged inside the firing pin body, a movable groove is formed in the installation lantern ring, a first movable block is movably connected inside the movable groove, a first spring is fixedly connected to the left end of the first movable block, the first movable block is movably connected with the movable groove through the first spring, a knocking block is fixedly connected to the right end of the first movable block, a first movable hole is formed in the right side of the installation lantern ring, the first movable hole is movably connected with the knocking block, a first cushion pad is fixedly connected to the right end of the installation lantern ring and located on the outer side of the knocking block, a second movable hole is formed in the left side of the installation lantern ring, a first sleeve rod is fixedly connected to the left side of the first movable block, the first sleeve rod is movably connected with the second movable hole, and a second sleeve rod is movably connected inside the first sleeve rod, and the inside swing joint of second loop bar has the movable rod, the first stopper of second loop bar outside fixedly connected with, and first stopper left end fixedly connected with second spring, the third activity hole has been seted up to first loop bar left end, and third activity hole and second loop bar swing joint, the movable rod outside fixedly connected with second stopper, and the second stopper, second stopper left side fixedly connected with third spring, the inside fourth activity hole of having seted up of second loop bar, and fourth activity hole and movable rod swing joint, movable rod left side fixedly connected with second blotter, first loop bar and the inside left end fixedly connected with third blotter of second loop bar.

Preferably, the movable groove in the mounting lantern ring is matched with the first movable block in shape and size, the diameter of the first movable block is larger than the diameters of the first movable hole and the second movable hole, and the first spring is located on the outer side of the first sleeve rod.

Preferably, the first buffer pad and the third buffer pad are made of high-elasticity rubber materials, and the third buffer pad is matched with the shapes and sizes of the inner parts of the first sleeve rod and the second sleeve rod respectively.

Preferably, the first limiting block is matched with the first sleeve rod in shape and size, the diameter of the first limiting block is larger than that of the third movable hole, and the inner diameter of the third movable hole is equal to that of the second sleeve rod.

Preferably, the shape and size of the second limiting block are matched with the shape and size of the inner wall of the second sleeve rod, the diameter of the second limiting block is larger than that of the fourth movable hole, and the inner diameter of the fourth movable hole is equal to the outer diameter of the movable rod.

Preferably, the second cushion pad is matched with the movable rod in shape and size, and the horizontal center lines of the movable rod, the first sleeve rod and the second sleeve rod are overlapped.

Compared with the prior art, the beneficial effects of the utility model are that: this shock-absorbing structure of firing pin for electric tool, through using at first movable block, the spring has been increased in the first stopper and the second stopper outside, and change whole into multistage combination formula, thereby make whole can cushion under the drive of spring, holistic buffering effect has been increased, the whole impact force that receives has been reduced, the probability that whole produced the damage has been reduced, holistic security has been increased, and the blotter has been increased in the installation lantern ring outside and movable rod outside and loop bar inside, holistic buffering effect has been increased, the whole wearing and tearing that produce when receiving the striking have been reduced, thereby holistic life has been increased, holistic practicality has been increased.

Drawings

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

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic view of the internal structure of the present invention.

In the figure: 1. a striker body; 2. mounting a lantern ring; 3. a movable groove; 4. a third cushion pad; 5. a first movable block; 6. a first spring; 7. knocking the block; 8. a first movable hole; 9. a first cushion pad; 10. a second movable hole; 11. a first loop bar; 12. a second loop bar; 13. a movable rod; 14. a first stopper; 15. a second spring; 16. a third movable hole; 17. a second limiting block; 18. a third spring; 19. a fourth movable hole; 20. a second cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a shock absorption structure of a firing pin for an electric tool comprises a firing pin body 1, wherein the interior of the firing pin body 1 comprises an installation lantern ring 2, a movable groove 3 is formed in the installation lantern ring 2, a first movable block 5 is movably connected in the movable groove 3, a first spring 6 is fixedly connected at the left end of the first movable block 5, the first movable block 5 is movably connected with the movable groove 3 through the first spring 6, a knocking block 7 is fixedly connected at the right end of the first movable block 5, a first movable hole 8 is formed in the right side of the installation lantern ring 2, the first movable hole 8 is movably connected with the knocking block 7, a first cushion 9 is fixedly connected at the right end of the installation lantern ring 2, the first cushion 9 is positioned outside the knocking block 7, a second movable hole 10 is formed in the left side of the installation lantern ring 2, a first loop bar 11 is fixedly connected at the left side of the first movable block 5, and the first loop bar 11 is movably connected with the second, the inside swing joint of first loop bar 11 has second loop bar 12, and the inside swing joint of second loop bar 12 has movable rod 13, the first stopper 14 of second loop bar 12 outside fixedly connected with, and 14 left end fixedly connected with second spring 15 of first stopper, third movable hole 16 has been seted up to 11 left ends of first loop bar, and third movable hole 16 and 12 swing joint of second loop bar, 13 outside fixedly connected with second stopper 17 of movable rod, and second stopper 17, 17 left sides fixedly connected with third spring 18 of second stopper, the inside fourth movable hole 19 of having seted up of second loop bar 12, and fourth movable hole 19 and 13 swing joint of movable rod, 13 left sides fixedly connected with second blotter 20 of movable rod, first loop bar 11 and 12 inside left ends fixedly connected with third blotter 4 of second loop bar.

Further, the inside movable groove 3 of the installation lantern ring 2 and the 5 size looks adaptations of first movable block, and 5 diameters of first movable block are greater than the diameter of first movable hole 8 and second movable hole 10, and first spring 6 is located the 11 outsides of first telescopic link, and first movable block 5 can remove in movable groove 3 insides to make things convenient for wholly ejecting, guarantee holistic normal use.

Further, first blotter 9 and third blotter 4 are high elasticity rubber material, and third blotter 4 respectively with the inside shape size looks adaptation of first loop bar 11, second loop bar 12, first blotter 9 and third blotter 4 can cushion whole impact of receiving, have increased holistic life to holistic practicality has been increased.

Furthermore, the first limit block 14 is matched with the inner shape and size of the first loop bar 11, the diameter of the first limit block 14 is larger than the diameter of the third movable hole 16, the inner diameter of the third movable hole 16 is equal to the diameter of the second loop bar 12, and the first limit block 14 only moves inside the first loop bar 11, so that the overall frame scattering condition is prevented, and the overall safety is improved.

Further, second stopper 17 and the adaptation of second sleeve pole 12 inner wall shape size, and second stopper 17 diameter is greater than the diameter of fourth activity hole 19 to the 19 internal diameters of fourth activity hole are equal with movable rod 13 external diameter, and second stopper 17 only can remove inside second sleeve pole 12, thereby guarantees the removal of whole stability, has increased whole security.

Further, the second buffer pad 20 is matched with the movable rod 13 in shape and size, and the horizontal center lines of the movable rod 13, the first sleeve rod 11 and the second sleeve rod 12 are overlapped, so that the whole device can be conveniently and stably moved, the stability of the whole device is improved, and the whole practicability is improved.

The working principle is as follows: firstly, the firing pin body 1 is installed, so that the whole body is convenient to impact, and the electric tool is started, when the whole body impacts the firing pin body 1, the first cushion pad 9 reduces the impact of the whole body on the installation lantern ring 2, so that the whole abrasion degree is reduced, and when the whole body is impacted, the first movable block 5 moves in the movable groove 3, the first limit block 14 moves in the first sleeve rod 11, the second limit block 17 moves in the second sleeve rod 12, so that the loss impact force borne by the whole body is reduced, the first spring 6 buffers the first movable block 5, the second spring 15 buffers the first limit block 14, the third spring 18 buffers the second limit block 17, the impact force borne by the whole body is reduced, and the whole body is prevented from being damaged due to overlarge stress, the whole safety is improved, and the first cushion pad 9, The first buffer pad 9 and the third buffer pad 4 can buffer the impact received by the whole body, so that the service life of the whole body is prolonged, and the practicability of the whole body is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shock absorbing structure of a striker for a power tool, comprising a striker body (1), characterized in that: the firing pin comprises a firing pin body (1), wherein the interior of the firing pin body (1) comprises an installation lantern ring (2), a movable groove (3) is formed in the installation lantern ring (2), a first movable block (5) is movably connected in the movable groove (3), the left end of the first movable block (5) is fixedly connected with a first spring (6), the first movable block (5) is movably connected with the movable groove (3) through the first spring (6), the right end of the first movable block (5) is fixedly connected with a knocking block (7), the right side of the installation lantern ring (2) is provided with a first movable hole (8), the first movable hole (8) is movably connected with the knocking block (7), the right end of the installation lantern ring (2) is fixedly connected with a first cushion pad (9), the first cushion pad (9) is positioned on the outer side of the knocking block (7), the left side of the installation lantern ring (2) is provided with a second movable hole (10), the left side of the first movable block (5) is fixedly connected with a, and the first sleeve rod (11) is movably connected with the second movable hole (10), the first sleeve rod (11) is movably connected with the second sleeve rod (12), the second sleeve rod (12) is movably connected with the movable rod (13), the outer side of the second sleeve rod (12) is fixedly connected with the first limiting block (14), the left end of the first limiting block (14) is fixedly connected with the second spring (15), the left end of the first sleeve rod (11) is provided with the third movable hole (16), the third movable hole (16) is movably connected with the second sleeve rod (12), the outer side of the movable rod (13) is fixedly connected with the second limiting block (17) and the second limiting block (17), the left side of the second limiting block (17) is fixedly connected with the third spring (18), the inner part of the second sleeve rod (12) is provided with the fourth movable hole (19), and the fourth movable hole (19) is movably connected with the movable rod (13), the movable rod (13) is fixedly connected with a second cushion pad (20) on the left side, and a third cushion pad (4) is fixedly connected with the left ends of the first sleeve rod (11) and the second sleeve rod (12) inside.

2. The shock absorbing structure of a striker for a power tool as set forth in claim 1, wherein: the movable groove (3) in the mounting lantern ring (2) is matched with the first movable block (5) in shape and size, the diameter of the first movable block (5) is larger than the diameters of the first movable hole (8) and the second movable hole (10), and the first spring (6) is located on the outer side of the first sleeve rod (11).

3. The shock absorbing structure of a striker for a power tool as set forth in claim 1, wherein: the first cushion pad (9), the first cushion pad (9) and the third cushion pad (4) are made of high-elasticity rubber materials, and the third cushion pad (4) is matched with the shapes and sizes of the inner parts of the first loop bar (11) and the second loop bar (12) respectively.

4. The shock absorbing structure of a striker for a power tool as set forth in claim 1, wherein: the first limiting block (14) is matched with the inner shape and size of the first sleeve rod (11), the diameter of the first limiting block (14) is larger than that of the third movable hole (16), and the inner diameter of the third movable hole (16) is equal to that of the second sleeve rod (12).

5. The shock absorbing structure of a striker for a power tool as set forth in claim 1, wherein: the shape and the size of the inner wall of the second limiting block (17) are matched with those of the inner wall of the second sleeve rod (12), the diameter of the second limiting block (17) is larger than that of the fourth movable hole (19), and the inner diameter of the fourth movable hole (19) is equal to the outer diameter of the movable rod (13).

6. The shock absorbing structure of a striker for a power tool as set forth in claim 1, wherein: the second cushion pad (20) is matched with the movable rod (13) in shape and size, and the horizontal center lines of the movable rod (13), the first loop bar (11) and the second loop bar (12) are overlapped.