CN212978218U

CN212978218U - Drilling and tapping tool suitable for electric screwdriver installation

Info

Publication number: CN212978218U
Application number: CN202020967810.5U
Authority: CN
Inventors: 朱磊
Original assignee: Nanjing Sanshi Communication Technology Co ltd
Current assignee: Nanjing Sanshi Communication Technology Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-04-16
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a tooth instrument is attacked in drilling suitable for electricity is criticized installation, attack tooth head, fixed pipe box and be in four ascending grip slipper of all around including support, electricity and criticize, drill, be equipped with the internal thread sleeve with screw-thread fit form adaptation cover on twisting the body of rod of screw rod, the fixed operating handle that is provided with on the outer corresponding internal thread sleeve's of cover chamber section of thick bamboo wall of tip circumference of fixed pipe box, the ratchet gear corresponds the suit on the interlock fixture block and the central card hole of interlock fixture block and ratchet gear matches the cooperation each other, has a plurality of ratchet on the circumference of ratchet gear, the head end of the spanner of blocking has the dead portion of card and the dead portion of card corresponds the card and goes into between two adjacent ratchets in the space, the tail end of the spanner of blocking has presses the splenium and presses and be connected with the extrusion. The utility model discloses make the grip slipper can only "press from both sides tightly" and can not "loosen" to the outside to the inboard, fixed effectual.

Description

Drilling and tapping tool suitable for electric screwdriver installation

Technical Field

The utility model relates to an electricity is criticized installation and is fixed relevant technical field, specifically is a tooth instrument is attacked in drilling suitable for electricity is criticized installation.

Background

The electric screwdriver, also called electric screw driver and electric screw driver, is an electric tool for screwing and unscrewing screw, is equipped with a mechanism for adjusting and limiting torque, is mainly used for assembly line, and is one of the necessary tools for most production enterprises.

Please refer to fig. 1-2:

fig. 1 shows a prior art electric screwdriver mounting bracket, which is a drilling tapping tool suitable for electric screwdriver mounting, for example, a utility model patent named as an adjustable multi-type electric screwdriver special bracket (patent No. CN206869764U) disclosed in chinese patent web, wherein reference numeral 1 is a bracket, reference numeral 2 is an electric screwdriver, reference numeral 3 is a fixing pipe sleeve, and reference numeral 203 is a drilling tapping head.

Fig. 2 shows a schematic view of a top view structure of a fixing pipe sleeve 3 in an electric screwdriver mounting bracket in the prior art, that is, a structure in the prior art for clamping an electric screwdriver is used, during actual use, an outward pulling blocking edge 8 is pulled, a return spring 7 is compressed and shortened under force, the electric screwdriver 2 is placed in the fixing pipe sleeve 3, the outward pulling blocking edge 8 is loosened, and the electric screwdriver 2 is clamped by four clamping seats 4 under the action of a spring return force of the return spring 7, so that the electric screwdriver is mounted and fixed.

As can be seen from the above description, although the electric screwdriver 2 can be fixed only by using the elastic force of the spring, the fixing strength is not high during the actual clamping process, the fixing effect is very poor, and once the electric screwdriver fails due to external force or fatigue of the spring, the electric screwdriver can directly fall off from the fixing structure, and falls on the ground, is damaged, and affects the service life, so that there is a need to improve the existing electric screwdriver clamping structure and design a firmly fixed electric screwdriver clamping structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling attack tooth instrument suitable for electricity is criticized installation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a drilling and tapping tool suitable for electric screwdriver installation comprises a support, an electric screwdriver, a drilling and tapping head, a fixed pipe sleeve and four clamping seats in four directions, wherein the four clamping seats are arranged in the front, back, left and right directions, the clamping seats are correspondingly arranged in a sleeve cavity of the fixed pipe sleeve in the end position corresponding to a screwing screw rod through bearing seats, an internal thread sleeve is sleeved on a rod body of the screwing screw rod in a thread matching mode, a barrel body of the internal thread sleeve penetrates through the pipe wall of the fixed pipe sleeve in a rotating mode through a bearing in a matching mode, an operating handle is fixedly arranged outside the sleeve cavity of the fixed pipe sleeve and on the circumferential cylinder wall of the end portion corresponding to the internal thread sleeve, a back seat surface of each clamping seat is connected with the inner wall of the sleeve cavity of the fixed pipe sleeve through two groups of buffer springs, a linkage clamping block is fixedly connected and sleeved on the circumferential cylinder wall of the outer side of the sleeve cavity of the fixed pipe sleeve Close, the circumference of ratchet gear wheel edge has a plurality of ratchet, and the central point that the solid spanner of card puts and rotates through the pivot and install on the outer wall of the cover chamber of fixed pipe box, the head end that the solid spanner of card has the solid portion of card and the solid portion of card corresponds the card and goes into in the space between two adjacent ratchets, the tail end that the solid spanner of card has presses the splenium and is connected with the extrusion spring between splenium and the stopper according to the splenium.

Preferably: the anti-dropping blocking edge is arranged at the end part of the rod body of the corresponding screwing screw rod outside the sleeve cavity of the fixed pipe sleeve.

Preferably: the cross section of the block frame of the linkage fixture block is square.

Preferably: the limiting blocks are correspondingly fixed on the outer wall surface of the sleeve cavity of the fixed sleeve.

Preferably: the plane of the dead wrench and the plane of the ratchet gear are on the same plane.

Has the advantages that:

compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a prior art structure for pressing from both sides tight electricity and criticize to figure 2 improves, the elastic force that will only utilize the spring carries out redesign, unidirectional effect in the rotation process has been realized, the grip slipper can only "press from both sides tightly" and can not "loosen" to the outside to the inboard "promptly, make installation firmness high among the actual centre gripping process, it is fixed effectual, in case the electricity that exists among the prior art criticizes and receives external force or spring fatigue and the drawback that the electricity of inefficacy criticizing will directly deviate from in, structural design is reasonable ingenious, safety and reliability, work stably provides good basis for drilling attack tooth.

Drawings

Fig. 1 shows a prior art electric screwdriver mounting bracket.

Fig. 2 is a schematic top view of a fixing socket of a prior art electric batch mounting bracket.

Fig. 3 is a schematic top view of a fixing tube sleeve in an improved electric batch mounting bracket.

Fig. 4 is a schematic view of the ratchet gear and the locking wrench in a drilling and tapping tool suitable for electric screwdriver installation.

Fig. 5 is a schematic cross-sectional view of a linkage fixture block in a drilling and tapping tool suitable for electric screwdriver installation.

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.

Please refer to fig. 1-2:

Fig. 2 shows a schematic top view of a fixing sleeve 3 in a prior art electric screwdriver mounting bracket, namely a detailed structure for clamping an electric screwdriver, namely a prior art structure for clamping an electric screwdriver, as shown in the drawing: the central positions of the front, the back, the left and the right of the fixed pipe sleeve 3 are movably penetrated with a supporting pressure bar 5 through a guide sleeve 6, a clamping seat 4 is fixed at the end part of the rod body corresponding to the supporting pressure rod 5 in the sleeve cavity of the fixed sleeve 3, an outer pull stop edge 8 is arranged outside the sleeve cavity of the fixed sleeve 3 and corresponding to the end part of the rod body of the supporting pressure rod 5, a return spring 7 is correspondingly sleeved on the rod body of each supporting pressure rod 5, one end of each return spring 7 is correspondingly fixed on the clamping seat 4, the other end of each return spring is correspondingly fixed on the inner wall surface of the sleeve cavity of the fixed sleeve 3, when the device is actually used, the outer pull blocking edge 8 is pulled outwards, the reset spring 7 is compressed and shortened under the stress, the electric screwdriver 2 is placed in the fixed pipe sleeve 3, the outer pull blocking edge 8 is loosened, the electric screwdriver 2 is clamped tightly by the four clamping seats 4 under the action of the spring reset force of the reset spring 7, so that the electric screwdriver is installed and fixed.

Please refer to fig. 3-5:

fig. 3 shows a schematic top view of a fixing sleeve 3 in an improved electric batch mounting bracket, namely an improved structure for clamping an electric batch, as shown in the drawing: in the embodiment of the present invention, the clamping device also comprises four clamping bases 4 located in four directions, namely, front, back, left and right directions, except that the clamping bases 4 are correspondingly installed at the end positions of the corresponding screwing screw rods 9 in the sleeve cavities of the fixed sleeve 3 through bearing seats 13, the rod body end portions of the corresponding screwing screw rods 9 outside the sleeve cavities of the fixed sleeve 3 are provided with anti-falling blocking edges 15, the rod body of the screwing screw rod 9 is sleeved with an internal thread sleeve 10 in a thread fit manner, the cylinder body of the internal thread sleeve 10 is arranged to penetrate through the tube wall of the fixed sleeve 3 in a rotation manner through a bearing 11, the sleeve cavity of the fixed sleeve 3 is fixedly provided with an operating handle cylinder wall 14 corresponding to the end circumference of the internal thread sleeve 10, the back seat surface of each clamping base 4 is connected with the inner wall of the sleeve cavity of the fixed sleeve 3 through two sets of buffer springs 12, the outer side of the sleeve cavity of the fixed sleeve 3 is fixedly connected with a linkage clamping block, the cross section of the block frame of the interlocking fixture block 16 is square, the ratchet gear 17 is correspondingly sleeved on the interlocking fixture block 16, the interlocking fixture block 16 is matched with the central clamping hole 1701 of the ratchet gear 17, a plurality of ratchets are arranged on the circumferential rim of the ratchet gear 17, the central position of the locking wrench 19 is rotatably mounted on the outer wall surface of the sleeve cavity of the fixed sleeve 3 through a rotating shaft, the head end of the locking wrench 19 is provided with a locking part 1901, the locking part 1901 is correspondingly clamped into a gap between two adjacent ratchets, the tail end of the locking wrench 19 is provided with a pressing part 1902, an extrusion spring 20 is connected between the pressing part 1902 and a limiting block 18, the limiting block 18 is correspondingly fixed on the outer wall surface of the sleeve cavity of the fixed sleeve 3, and the plane where the locking wrench 19 is located and the plane where the ratchet gear 17 is located are located on.

The utility model discloses a drilling and tapping tool suitable for electric screwdriver installation, through improving the prior art structure for clamping electric screwdriver in figure 2, the elastic force of the spring is only used for redesigning, the screwing screw 9, the internal thread sleeve 10, the bearing 11, the operating handle 14, the linkage fixture block 16, the ratchet gear 17, the blocking wrench 19, the extrusion spring 20, the rotating shaft 20 and the stopper 18 are configured, when in actual use, after the electric screwdriver 2 is placed in the fixed pipe sleeve 3, only the operating handle 14 needs to be screwed, the internal thread sleeve 10 is driven to move by the manual screwing operating handle 14, the internal thread sleeve 10 stably rotates under the support of the bearing 11, because the internal thread sleeve 10 is fittingly sleeved on the rod body of the screwing screw 9 in a thread fit manner, the back seat surface of each clamping seat 4 is connected with the inner wall surface of the sleeve cavity of the fixed pipe sleeve 3 through two groups of buffer springs 12, in the process, the internal thread sleeve 10 is interlocked with the interlocking fixture block 16 and the central clamping hole 1701 of the ratchet gear 17, the ratchet gear 17 can synchronously rotate along with the internal thread sleeve 10, and as the head end of the locking wrench 19 is provided with the locking portion 1901 and the locking portion 1901 is correspondingly clamped into a gap between two adjacent ratchets, the tail end of the locking wrench 19 is provided with the pressing portion 1902 and the pressing portion 1902 is connected between the pressing portion 1902 and the limiting block 18, no matter how fast the gear 17 rotates, the locking portion 1901 of the locking wrench 19 can be always clamped into the gap between two adjacent ratchets, so that the gear 17 can only rotate along one direction, namely, the ratchet gear 17 in the figure can only rotate along the anticlockwise circumferential direction but can not rotate reversely, the unidirectional effect in the process of rotation is realized, it is just that it can only unidirectional rotation at whole rotary drum to react on the internal thread sleeve 10, grip slipper 4 can only "press from both sides tightly" and can not "loosen" to the outside to inboard promptly, if want grip slipper 4 "loosen" just can only carry out "unblock" to ratchet gear 17 through exerting pressure for pressing portion 1902, make installation firmness high among the actual clamping process, it is fixed effectual, the drawback that the electric screwdriver will directly deviate from in failure once receiving external force or spring fatigue in case the electric screwdriver that exists among the prior art has been solved, structural design is reasonable ingenious, safety and reliability, it provides good basis to attack tooth work's stability for drilling.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A drilling and tapping tool suitable for electric screwdriver installation comprises a support (1), an electric screwdriver (2), a drilling and tapping head (203), a fixed pipe sleeve (3) and four clamping seats (4) in four directions, namely front, back, left and right, and is characterized in that the clamping seats (4) are correspondingly installed at the end position of a corresponding screwing screw (9) in a sleeve cavity of the fixed pipe sleeve (3) through a bearing seat (13), an internal thread sleeve (10) is sleeved on a rod body of the screwing screw (9) in a thread matching mode, a barrel body of the internal thread sleeve (10) penetrates through the pipe wall of the fixed pipe sleeve (3) in a rotating mode through a bearing (11), an operating handle (14) is fixedly arranged on the end circumferential barrel wall of the fixed pipe sleeve (10) outside the sleeve cavity of the fixed pipe sleeve (3) and corresponds to the end circumferential barrel wall of the internal thread sleeve (10), and the back seat surface of each clamping seat (4) is connected with the inner wall of the sleeve cavity of the fixed pipe sleeve (3, the outer side of a sleeve cavity of the fixed sleeve (3) corresponding to the circumferential sleeve wall of the internal thread sleeve (10) is further fixedly sleeved with a linkage clamping block (16), the ratchet gear (17) is correspondingly sleeved on the linkage clamping block (16) and the linkage clamping block (16) is matched with a central clamping hole (1701) of the ratchet gear (17), a plurality of ratchets are arranged on the circumferential wheel edge of the ratchet gear (17), the central position of the locking wrench (19) is rotatably installed on the outer wall surface of the sleeve cavity of the fixed sleeve (3) through a rotating shaft, a clamping part (1901) is arranged at the head end of the locking wrench (19) and is correspondingly clamped into a gap between two adjacent ratchets, and an extrusion spring (20) is arranged at the tail end of the locking wrench pressing part (19) and is connected between the pressing part (1902) and the limiting block (18).

2. The drilling and tapping tool suitable for electric screwdriver installation according to claim 1, wherein the outside of the sleeve cavity of the fixing sleeve (3) is provided with an anti-disengagement edge (15) corresponding to the end of the rod body of the screwing screw (9).

3. The drilling and tapping tool suitable for electric screwdriver installation according to claim 1, wherein the block frame section of the interlocking block (16) is square.

4. The drilling and tapping tool suitable for electric screwdriver installation according to claim 1, wherein the limiting block (18) is correspondingly fixed on the outer wall surface of the sleeve cavity of the fixed sleeve (3).

5. A drill tapping tool adapted for electrobatch installation as claimed in claim 1 wherein the plane of the deadlocking wrench (19) is in the same plane as the plane of the ratchet gear (17).