CN214445919U

CN214445919U - Prevent that screw is dismantled special screwdriver that drops

Info

Publication number: CN214445919U
Application number: CN202120480041.0U
Authority: CN
Inventors: 刘紫孟; 张�杰; 王涵; 王力; 李首虎
Original assignee: Hebei Zongheng Group Fengnan Steel Co Ltd
Current assignee: Hebei Zongheng Group Fengnan Steel Co Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-10-22
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a prevent that screw dismantles special screwdriver that drops relates to maintenance tool technical field, include screwdriver body, compression spring, sleeve pipe and can dismantle the awl head, compression spring has been cup jointed to the outside of screwdriver body, the sleeve pipe has been cup jointed on the screwdriver body, it can dismantle the awl head to peg graft on the screwdriver body. Through being provided with the pipe box, when using the screwdriver to twist the screw, support the one end of pipe box on equipment screw corresponding position, press the screwdriver body, the sleeve pipe can be under the effect of pressure with the screwdriver head parallel and level, the accessible rotates the screwdriver body and screws off this moment, along with the roll-out of screw, the sleeve pipe outwards stretches out under compression spring's pressure, embolia the screw in the sleeve pipe, the screw is difficult for dropping when having guaranteed the dismantlement, thereby avoided the screw to fall into the risk in the electric gap cable that is difficult to take out and lost the phenomenon such as being difficult to match that drops and cause, and the pipe box is provided with the structure of convenient dismantlement, the convenience is changed failure spring.

Description

Prevent that screw is dismantled special screwdriver that drops

Technical Field

The utility model relates to a repair tools technical field specifically is a prevent that screw dismantles special screwdriver that drops.

Background

The screwdriver is also named as a screwdriver, and is a common tool for screwing a screw to enable the screwdriver to be in place, and the screwdriver is generally provided with a thin wedge-shaped head which can be inserted into a slot or a notch of a screw head of the screw, and can be used for installing or disassembling the screw by means of handle rotation, so that the screw is not easy to drop during installation and disassembly, the common screwdriver has certain magnetism, but when the screw in equipment, which can not be inserted by some hands, is disassembled, the screw can fall into the equipment by only depending on the self magnetism of the screwdriver, and can be shaken or collided at a little, unnecessary troubles are brought, the normal operation of maintenance work is influenced, and therefore, the special screwdriver for preventing the screw from being disassembled and falling off is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a prevent that screw dismantles special screwdriver that drops has solved the problem of proposing in the above-mentioned background art through being provided with the sleeve pipe.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a special screwdriver capable of preventing a screw from being detached and falling off comprises a screwdriver body, a compression spring, a sleeve and a detachable screwdriver head, wherein the compression spring is sleeved outside the screwdriver body; the screwdriver body comprises a handle, a first annular groove is formed in the handle, a rod body is fixedly connected to the handle, a limiting ring is arranged on the outer portion of the rod body, a connector is fixedly connected to one end, away from the handle, of the rod body, a slot is formed in the connector, and a detachable screwdriver head is inserted into the slot; the improved cable connector is characterized in that a rotating column is arranged on the sleeve, an arc fastener is hinged to the outer portion of the rotating column, an arc clamping ring is fixedly connected to one side of the arc fastener, the diameter of the arc fastener is smaller, a plug connector is fixedly connected to the outer portion of the arc fastener, a threaded hole is formed in the plug connector, a jack is formed in the sleeve, a limiting screw is arranged on the sleeve and penetrates through the jack, a fixing ring is fixedly connected to the sleeve, and a second annular groove is formed in the fixing ring.

Preferably, the first annular groove and the second annular groove are matched, one end of the compression spring is inserted into the first annular groove, and the other end of the compression spring is inserted into the second annular groove.

Preferably, the plug connector is matched with the jack, and the limit screw penetrates through the threaded hole to fixedly connect the plug connector in the jack.

Preferably, the outer diameter and the inner diameter of the arc fastener and the sleeve are the same, the inner diameter of the arc clamping ring is matched with the inner diameter of the rod body, and the arc fastener and the rod body are in clearance fit.

Preferably, the inner diameter of the sleeve is matched with the outer diameter of the limiting ring in a clearance fit mode, and the sleeve is made of transparent hard plastic.

Preferably, the inside of slot is provided with the strong magnet, the slot is interior four corners structure.

(III) advantageous effects

The utility model provides a prevent that screw dismantles special screwdriver that drops. The method has the following beneficial effects:

this kind of prevent that screw dismantles special screwdriver that drops, through being provided with the pipe box, when using the screwdriver to twist the screw, support the one end of pipe box on equipment screw corresponding position, press the screwdriver body, the sleeve pipe can be under the effect of pressure with the screwdriver head parallel and level, the accessible rotates the screwdriver body and screws off this moment, along with the roll-out of screw, the sleeve pipe outwards stretches out under compression spring's pressure, embolia the sleeve pipe with the screw, the screw is difficult for dropping when having guaranteed the dismantlement, thereby avoided the screw to fall into the risk in the electric gap cable that is difficult to take out and lost the phenomenon such as being difficult to match that drops and cause, and the pipe box is provided with the structure of convenient dismantlement, it is convenient in changing the compression spring to the inefficacy.

Drawings

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

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

FIG. 3 is a schematic view of the screwdriver body structure of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

FIG. 6 is a schematic view of the connection state of the casing according to the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is a schematic view of the present invention showing the casing in an unconnected state;

fig. 9 is a partially enlarged view of fig. 8 at D.

In the figure: 1 screwdriver body, 101 handle, 102 first ring channel, 103 body of rod, 104 spacing ring, 105 connectors, 106 slots, 2 compression spring, 3 sleeve pipes, 301 rotation post, 302 arc fastener, 303 arc snap ring, 304 bayonet joint, 305 screw hole, 306 jack, 307 spacing screw, 308 fixed ring, 309 second ring channel, 4 detachable cone head.

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. 1-9, the present invention provides a technical solution: a special screwdriver for preventing a screw from being detached and falling off comprises a screwdriver body 1, a compression spring 2, a sleeve 3 and a detachable bit 4, wherein the compression spring 2 is sleeved outside the screwdriver body 1, the sleeve 3 is sleeved on the screwdriver body 1, and the detachable bit 4 is inserted on the screwdriver body 1; the screwdriver body 1 comprises a handle 101, a first annular groove 102 is formed in the handle 101, a rod body 103 is fixedly connected to the handle 101, a limiting ring 104 is arranged outside the rod body 103, one end, away from the handle 101, of the rod body 103 is fixedly connected with a connector 105, a slot 106 is formed in the connector 105, a strong magnet is arranged in the slot 106, the slot 106 is of an inner four-corner structure, and a detachable screwdriver head 4 is inserted into the slot 106; be provided with on sleeve pipe 3 and rotate post 301, the outside of rotating post 301 articulates there is arc fastener 302, the less one side fixedly connected with arc snap ring 303 of arc fastener 302 diameter, the outside fixedly connected with bayonet joint 304 of arc fastener 302, set up threaded hole 305 on the bayonet joint 304, jack 306 has been seted up on the sleeve pipe 3, sleeve pipe 3 is last and pass jack 306 and be provided with stop screw 307, the solid fixed ring 308 of fixedly connected with on the sleeve pipe 3, gu set up second annular groove 309 on the fixed ring 308.

Further, the first annular groove 102 is matched with the second annular groove 309, one end of the compression spring 2 is inserted into the first annular groove 102, and the other end of the compression spring 2 is inserted into the second annular groove 309, so that the compression spring 2 is convenient to mount and fix.

Furthermore, the plug 304 is matched with the jack 306, the limit screw 307 penetrates through the threaded hole 305 to fixedly connect the plug 304 inside the jack 306, and a structure convenient to detach is arranged, so that the compression spring 2 which fails is convenient to replace.

In addition, arc fastener 302 is the same with sleeve 3's external diameter and internal diameter homogeneous phase, the internal diameter of arc snap ring 303 and the internal diameter phase-match of the body of rod 103, and the cooperation mode between the two is clearance fit, sleeve 3's internal diameter and spacing ring 104's external diameter phase-match, and the cooperation mode between the two is clearance fit, sleeve 3's material is transparent rigid plastic, the convenient position condition that can dismantle conical head 4 and screw of observation, the screw is difficult for dropping when having guaranteed the dismantlement in sleeve 3's setting, thereby avoided the screw to fall into the risk in the electric gap cable that is difficult to take out and lost the phenomenon such as being difficult to match that drops and cause.

The working principle is as follows: through being provided with pipe box 3, when using the screwdriver to twist the screw, support the one end of pipe box 3 on equipment the screw corresponds the position, press screwdriver body 1, and pipe box 3 can be under the effect of pressure with the screwdriver head parallel and level, and the accessible rotates screwdriver body 1 and unscrews the screw this moment, along with the commentaries on classics out of screw, and pipe box 3 outwards stretches out under compression spring 2's pressure, embolias the screw in pipe box 3, and the screw is difficult for dropping when having guaranteed the dismantlement.

When compression spring 2 needs to be replaced, stop screw 307 is loosened, stop screw 307 is separated from the fixation of threaded hole 305 on plug-in connector 304, arc fastener 302 can rotate anticlockwise around rotating column 301, arc snap ring 303 on arc fastener 302 is separated from the clamping connection with stop ring 104, sleeve 3 can be taken down from rod body 103 at the moment, and replacement of failed compression spring 2 is facilitated.

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. The utility model provides a prevent that screw dismantles special screwdriver that drops, includes screwdriver body (1), compression spring (2), sleeve pipe (3) and can dismantle awl head (4), its characterized in that: a compression spring (2) is sleeved outside the screwdriver body (1), a sleeve (3) is sleeved on the screwdriver body (1), and a detachable bit (4) is inserted on the screwdriver body (1);

the screwdriver body (1) comprises a handle (101), a first annular groove (102) is formed in the handle (101), a rod body (103) is fixedly connected to the handle (101), a limiting ring (104) is arranged outside the rod body (103), one end, far away from the handle (101), of the rod body (103) is fixedly connected with a connector (105), a slot (106) is formed in the connector (105), and a detachable screwdriver head (4) is inserted into the slot (106);

be provided with on sleeve pipe (3) and rotate post (301), the outside of rotating post (301) articulates there is arc fastener (302), arc fastener (302) diameter less one side fixedly connected with arc snap ring (303), the outside fixedly connected with bayonet joint (304) of arc fastener (302), set up threaded hole (305) on bayonet joint (304), jack (306) have been seted up on sleeve pipe (3), sleeve pipe (3) are gone up and are passed jack (306) and be provided with stop screw (307), fixedly connected with solid fixed ring (308) on sleeve pipe (3), gu set up second ring channel (309) on fixed ring (308).

2. The screwdriver as recited in claim 1, wherein the screwdriver is capable of preventing the screw from being detached and falling off: the first annular groove (102) is matched with the second annular groove (309), one end of the compression spring (2) is inserted into the first annular groove (102), and the other end of the compression spring (2) is inserted into the second annular groove (309).

3. The screwdriver as recited in claim 1, wherein the screwdriver is capable of preventing the screw from being detached and falling off: the plug connector (304) is matched with the jack (306), and the limit screw (307) penetrates through the threaded hole (305) to fixedly connect the plug connector (304) inside the jack (306).

4. The screwdriver as recited in claim 1, wherein the screwdriver is capable of preventing the screw from being detached and falling off: the outer diameter and the inner diameter of the arc fastener (302) and the sleeve (3) are the same, the inner diameter of the arc clamping ring (303) is matched with the inner diameter of the rod body (103), and the arc fastener and the rod body are in clearance fit.

5. The screwdriver as recited in claim 1, wherein the screwdriver is capable of preventing the screw from being detached and falling off: the inner diameter of the sleeve (3) is matched with the outer diameter of the limiting ring (104), the inner diameter of the sleeve and the outer diameter of the limiting ring are in clearance fit, and the sleeve (3) is made of transparent hard plastic.

6. The screwdriver as recited in claim 1, wherein the screwdriver is capable of preventing the screw from being detached and falling off: the inside of slot (106) is provided with the strong magnet, slot (106) are interior four corners structure.