CN207415231U

CN207415231U - manual screwing device

Info

Publication number: CN207415231U
Application number: CN201721502554.7U
Authority: CN
Inventors: 仇伟伟; 张翔
Original assignee: Leo Group Zhejiang Pump Co Ltd
Current assignee: Leo Group Zhejiang Pump Co Ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2018-05-29
Anticipated expiration: 2027-11-13

Abstract

The utility model provides a kind of manual screwing device, belongs to field of mechanical technique.It solves the problems, such as that the existing screwing device scope of application is small.This manual screwing device, including tubular handle, the inside of handle is coaxially provided with axis hole, axis hole internal clearance is combined with the connecting rod being axially movable, the rear end of connecting rod stretches in axis hole and the anti-drop assembly for preventing connecting rod from coming off is equipped between handle, the front end of connecting rod stretches out axis hole and extends to the front end of handle, the front end of connecting rod is equipped with connector, screwdriver head is coaxially provided on connector, is equipped between connector and the front end of handle when handle is axially moved for being drivingly connected the linkage unit that head rotates in a circumferential direction.The utility model has many advantages, such as easy to operate, applied widely.

Description

Manual screwing device

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of manual screwing device.

Background technology

Screwdriver currently on the market is broadly divided into two major classes：One kind for single function screwdriver, as Flathead screwdriver, Quincunx screwdriver, it is made of handle and knife bar two parts, and function is dull；Another kind for multifunctional screw driver, it by handle, The knife bar composition of knife card, magnet and several models, knife bar are mounted on using the magnetism of magnet on knife card, can according to actual needs more The knife bar of different model is changed, it is vdiverse in function.When in use, often due to screw tension, people are twisted with screwdriver motionless to cause to tear open Difficulty is unloaded, is lengthened working hours, reduces work efficiency；And cause screw since screw can not be tightened in screw installation process It drops, making the component of installation screw, there are security risks.

To solve the problems, such as existing screwdriver there are above-mentioned, Chinese patent discloses a kind of spiral dismantling device [application number For 201620066495.2], including rotation axis, handrail, attachment cap, screwed pipe, nut, solid hopkinson bar, screwdriver head and connecting rod, spiral shell The outside of line pipe is equipped with nut, and nut one side is connected with connecting rod one end, the one end of connecting rod away from nut and attachment cap one side It is connected, a middle side part of connecting rod is connected with rotation axis, handrail is equipped on the outside of rotation axis, attachment cap is away from one middle side part of rotation axis It is connected with solid hopkinson bar one end, solid hopkinson bar is equipped with screwdriver head away from attachment cap one end.

The dismantling device can allow screwdriver to twist motionless screw by spanner to dismantle, and improve work efficiency, but still have There is problems with：When screw is mounted on bottom portion of groove, being influenced by recess space, spanner can not freely swing in groove, Equally can not be by screw dismounting or installation, the scope of application is small.

The content of the invention

The purpose of this utility model is that there are the above problems for existing technology, it is proposed that a kind of to tension screw dismounting Convenient manual screwing device.

The purpose of this utility model can be realized by following technical proposal：

Manual screwing device, including tubular handle, the inside of the handle is coaxially provided with axis hole, the axis hole Internal clearance is combined with the connecting rod being axially movable, and the rear end of the connecting rod stretches in axis hole and is equipped with to prevent between handle The anti-drop assembly that only connecting rod comes off, the front end of the connecting rod stretch out axis hole and extend to the front end of handle, which is characterized in that described The front end of connecting rod is equipped with connector, is coaxially provided with screwdriver head on the connector, the front end of the connector and handle it Between be equipped with when handle is axially moved for being drivingly connected the linkage unit that head rotates in a circumferential direction.

In above-mentioned manual screwing device, the linkage unit include being arranged on connector along connecting rod side The guide part one and the guide part two being oppositely arranged with guide part one arranged on handle front end to extend back, the guide part one It is upper that there is the guiding curved surface one being obliquely installed, there is the guiding curved surface two being obliquely installed on the guide part two, described leads It is bonded to each other to curved surface one with being oriented to curved surface two.

It is described to be oriented to curved surface one along the rear end of connector counterclockwise backward in above-mentioned manual screwing device Extension, the guiding curved surface two counterclockwise extend back along the front end of guide part two, when the handle is axially moved When be oriented to curved surface two act on be oriented to curved surface one on power extend in the counterclockwise direction.

It is described to be oriented to curved surface one along the rear end of connector clockwise backward in above-mentioned manual screwing device Extension, the guiding curved surface two extend back clockwise along the front end of guide part two, when the handle is axially moved When be oriented to curved surface two act on be oriented to curved surface one on power extend along clockwise direction.

In above-mentioned manual screwing device, guide part one is 2-3 and is uniformly arranged.

In above-mentioned manual screwing device, the guide part one is 2.

In above-mentioned manual screwing device, the anti-drop assembly includes big with its aperture for being located in axis hole rear end Limiting slot in axis hole aperture and the annular stop portion arranged on rod rear end, the limiting section is located in limiting slot and limiting section Outer diameter be more than axis hole aperture, the length of the limiting section is less than the depth of limiting slot.

In above-mentioned manual screwing device, the rear end of the handle is equipped with percussion portion.

In above-mentioned manual screwing device, percussion portion part is stretched in limiting slot.

When needing to dismantle screw, selective guide curved surface one counterclockwise extends back along the rear end of connector, is oriented to song The scheme that face two counterclockwise extends back along the front end of guide part two, hand hold handle, tap striking positioned at handle end Portion is hit, the axial movement of handle is made to be changed into the counter clockwise direction movement of connector, screws out screw.

When needing to tighten screw, selective guide curved surface one along the rear end of connector extends back, is oriented to song clockwise The scheme that face two extends back clockwise along the front end of guide part two, hand hold handle, tap striking positioned at handle end Portion is hit, the axial movement of handle is made to be changed into moving clockwise for connector, is screwed into screw.

Compared with prior art, this manual screwing device has the following advantages：Its is reasonable in design, easy to use, Effectively tension screw can be back-outed, it can also be used to tightening for screw, it is applied widely.

Description of the drawings

Fig. 1 is the structure diagram of preferred embodiment provided by the utility model.

Fig. 2 is the phantom of preferred embodiment provided by the utility model.

In figure, 1, handle；2nd, axis hole；3rd, connecting rod；4th, connector；5th, screwdriver head；6th, guide part one；7th, guide part two；8、 It is oriented to curved surface one；9th, it is oriented to curved surface two；10th, limiting slot；11st, limiting section；12nd, percussion portion.

Specific embodiment

It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.

Manual screwing device as depicted in figs. 1 and 2, including tubular handle 1, the inside of handle 1 is coaxially provided with Axis hole 2,2 internal clearance of axis hole are combined with the connecting rod 3 being axially movable, the rear end of connecting rod 3 stretch in axis hole 2 and with handle 1 it Between be equipped with to prevent anti-drop assembly that connecting rod 3 comes off, the front end of connecting rod 3 stretches out axis hole 2 and simultaneously extends to the front end of handle 1, even The front end of bar 3 is equipped with connector 4, and screwdriver head 5 is coaxially provided on connector 4, is equipped with and works as between connector 4 and the front end of handle 1 The linkage units to rotate in a circumferential direction when handle 1 is axially moved for drive connection first 4.

As depicted in figs. 1 and 2, linkage unit includes the guiding to extend back along connecting rod side being arranged on connector 4 Portion 1 and the guide part 27 being oppositely arranged with guide part 1 arranged on 1 front end of handle have on guide part 1 and are obliquely installed Guiding curved surface 1, there is on guide part 27 the guiding curved surface 29 being obliquely installed, be oriented to curved surface 1 and guiding 29 phase of curved surface Mutually fitting.

As depicted in figs. 1 and 2, it is oriented to curved surface 1 counterclockwise to extend back along the rear end of connector 4, is oriented to curved surface 29 counterclockwise extend back along the front end of guide part 27, and being oriented to curved surface 29 when handle 1 is axially moved acts on guiding Power on curved surface 1 extends in the counterclockwise direction.

As depicted in figs. 1 and 2, it is oriented to curved surface 1 to extend back clockwise along the rear end of connector 4, is oriented to curved surface 29 extend back clockwise along the front end of guide part 27, and being oriented to curved surface 29 when handle 1 is axially moved acts on guiding Power on curved surface 1 extends along clockwise direction.

According to actual use situation, guide part 1 may be configured as 2-3 and be uniformly arranged.

In the present embodiment, guide part 1 is 2.

As shown in Fig. 2, anti-drop assembly includes the limiting slot for being more than 2 aperture of axis hole with its aperture for being located in 2 rear end of axis hole 10 and arranged on the annular stop portion 11 of 3 rear end of connecting rod, limiting section 11 is located in limiting slot 10 and the outer diameter of limiting section 11 is more than axis 2 aperture of hole, the length of limiting section 11 are less than the depth of limiting slot 10.

As shown in Fig. 2, the rear end of handle 1 is equipped with percussion portion 12.

As shown in Fig. 2, 12 part of percussion portion is stretched in limiting slot 10.

When needing to dismantle screw, selective guide curved surface 1 is counterclockwise extended back along the rear end of connector 4, is oriented to The scheme that curved surface 29 counterclockwise extends back along the front end of guide part 27, hand hold handle 1, tap after being located at handle 1 The percussion portion 12 at end makes the axial movement of handle 1 be changed into the counter clockwise direction movement of connector 4, screws out screw.

When needing to tighten screw, selective guide curved surface 1 along the rear end of connector 4 is extended back, is oriented to clockwise The scheme that curved surface 29 extends back clockwise along the front end of guide part 27, hand hold handle 1, tap after being located at handle 1 The percussion portion 12 at end makes the axial movement of handle 1 be changed into moving clockwise for connector 4, is screwed into screw.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims

1. a kind of manual screwing device, including tubular handle (1), the inside of the handle (1) is coaxially provided with axis hole (2), the axis hole (2) internal clearance is combined with the connecting rod (3) being axially movable, and the rear end of the connecting rod (3) stretches to axis hole (2) it is equipped with to prevent the anti-drop assembly that connecting rod (3) comes off, the front end projecting shaft of the connecting rod (3) in and between handle (1) Hole (2) simultaneously extends to the front end of handle (1), which is characterized in that the front end of the connecting rod (3) is equipped with connector (4), the company Screwdriver head (5) is coaxially provided on connector (4), is equipped between the connector (4) and the front end of handle (1) when handle (1) axis To during movement for being drivingly connected the linkage unit that head (4) rotates in a circumferential direction.

2. manual screwing device according to claim 1, which is characterized in that the linkage unit includes being arranged on connection Head (4) on the guide part one (6) to extend back along connecting rod side and arranged on handle (1) front end and guide part one (6) phase There is the guiding curved surface one (8) being obliquely installed, the guiding to the guide part two (7) of setting, on the guide part one (6) There is the guiding curved surface two (9) being obliquely installed, the guiding curved surface one (8) is mutually pasted with being oriented to curved surface two (9) in portion two (7) It closes.

3. manual screwing device according to claim 2, which is characterized in that guiding curved surface one (8) the edge connection The rear end of head (4) counterclockwise extends back, and the guiding curved surface two (9) is square counterclockwise along the front end of guide part two (7) To extending back, curved surface two (9) is oriented to when the handle (1) is axially moved and acts on the power edge being oriented on curved surface one (8) Counterclockwise extend.

4. manual screwing device according to claim 2, which is characterized in that guiding curved surface one (8) the edge connection The rear end of head (4) extends back clockwise, and the guiding curved surface two (9) is square clockwise along the front end of guide part two (7) To extending back, curved surface two (9) is oriented to when the handle (1) is axially moved and acts on the power edge being oriented on curved surface one (8) Extend clockwise.

5. the manual screwing device according to claim 3 or 4, which is characterized in that the guide part one (6) is 2-3 It is a and be uniformly arranged.

6. manual screwing device according to claim 5, which is characterized in that the guide part one (6) is 2.

7. the manual screwing device according to claim 3 or 4, which is characterized in that the anti-drop assembly includes coaxial The limiting slot (10) for being more than axis hole (2) aperture arranged on its aperture of axis hole (2) rear end and the annular stop arranged on connecting rod (3) rear end Portion (11), the limiting section (11) is located in limiting slot (10) and the outer diameter of limiting section (11) is more than axis hole (2) aperture, described The length of limiting section (11) is less than the depth of limiting slot (10).

8. manual screwing device according to claim 7, which is characterized in that the rear end of the handle (1), which is equipped with, to be tapped Portion (12).

9. manual screwing device according to claim 8, which is characterized in that the rear end of the handle (1) is set There is percussion portion (12).