CN218397944U

CN218397944U - Screw fastening tool with handle protection function

Info

Publication number: CN218397944U
Application number: CN202222409163.8U
Authority: CN
Inventors: 王元恒; 郑杨友; 朱应鹏; 褚静坤; 吴迪; 吴英男; 于瑞雪
Original assignee: China Aerospace Construction Engineering Group Co Ltd
Current assignee: China Aerospace Construction Engineering Group Co Ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-31
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a screw fastening instrument with handle safeguard function, include: the anti-skid device comprises an installation head and an anti-skid grip, wherein one side of the installation head is connected with a fixed sleeve, one side of the fixed sleeve is connected with a connecting rod, and the anti-skid grip is sleeved on the outer side of the connecting rod; this screw fastening instrument with handle safeguard function's beneficial effect is: when the type of installation head needs to be changed, the push rod is extruded, the fixture block is pushed and driven to move towards two sides, the limiting effect of the fixture block on the installation head is avoided, the installation head can be detached from the fixing sleeve, the installation head needing to be changed is installed, the push rod is loosened after the installation head is connected to the fixing sleeve, the fixture block is subjected to the reset effect of the movable spring, the fixture block is clamped in the groove of the installation head, the installation head can be fixed on the fixing sleeve, the installation heads of different types can be changed by an end user conveniently, and the screw fastening tool with the handle protection function is characterized.

Description

Screw fastening tool with handle protection function

Technical Field

The utility model relates to a building engineering technical field specifically is a screw fastening instrument with handle safeguard function.

Background

Need use the screw in a large number among the present building engineering, the screw has fixedly, convenient assembly and disassembly, advantages such as small, consequently by the wide use in the field of building engineering, just need screw fastening tool when fastening the screw, drive the screw through rotating the instrument and rotate, just can fasten the screw this moment.

The screw fastening instrument that building engineering used now, because there is the big or small screw of a large amount of different grade types among the building engineering, consequently when fastening the screw of different grade type, just need carry a large amount of screw fastening instruments, very loaded down with trivial details, use electric power screw fastening instrument simultaneously, though conveniently change the installation head, nevertheless because its volume is great, consequently inconvenient user carries, and need electric power to drive, it just can not use by the way to have not the electricity, very inconvenient carries out fastening work to the screw of the building engineering of different grade type.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw fastening instrument with handle safeguard function to solve the screw fastening instrument for the building engineering who now uses that above-mentioned background art provided because building engineering need use the screw of a lot of different grade types, when needs fasten the screw of difference, just need to change the instrument that corresponds, consequently very inconvenient user carries out the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: a screw tightening tool with handle protection, comprising: the anti-skid device comprises an installation head and an anti-skid grip, wherein one side of the installation head is connected with a fixed sleeve, one side of the fixed sleeve is connected with a connecting rod, and the anti-skid grip is sleeved on the outer side of the connecting rod;

the two sides of the mounting head are provided with clamping blocks, one side of each clamping block is connected with a movable rod, the middle of each movable rod is connected with a telescopic rod, the middle of each telescopic rod is connected with a telescopic sleeve, a movable spring is arranged inside each telescopic sleeve, and one side of each movable rod is connected with a push rod.

Preferably, the fixture blocks are butted in the mounting head through insertion holes matched with the fixture blocks in size, and two groups of fixture blocks are symmetrically arranged on the center line of the mounting head.

Preferably, the telescopic rod forms a telescopic structure through the movable spring and the telescopic sleeve, and the telescopic rod is fixedly connected with the movable rod.

Preferably, a movable head is mounted on the outer side of the anti-slip grip, a raised head is arranged on one side of the movable head, a telescopic spring is arranged at the bottom of the raised head, and a groove is formed in the surface of the connecting rod.

Preferably, the raised heads form a telescopic structure with the connecting rod through telescopic springs, and the two groups of raised heads are symmetrically arranged about the center of the connecting rod.

Preferably, the raised head is inserted into the insertion hole of the anti-skid grip through the insertion hole matched with the size of the raised head.

Preferably, a bearing is installed on one side of the connecting rod, a threaded rod is connected inside the bearing, and a threaded groove is formed in the connecting rod.

Preferably, the threaded rod is connected through the inside of the connecting rod.

Compared with the prior art, this screw fastening instrument with handle safeguard function's beneficial effect is: when the type of installation head needs to be changed, the push rod is extruded, the fixture block is pushed and driven to move towards two sides, the limiting effect of the fixture block on the installation head is avoided, the installation head can be detached from the fixing sleeve, the installation head needing to be changed is installed, the push rod is loosened after the installation head is connected to the fixing sleeve, the fixture block is subjected to the reset effect of the movable spring, the fixture block is clamped in the groove of the installation head, the installation head can be fixed on the fixing sleeve, the installation heads of different types can be changed by an end user conveniently, and the screw fastening tool with the handle protection function is characterized.

1. This screw fastening instrument with handle safeguard function, because the screw of equidimension type not can need to be used often in the different building engineering, need use the fastening tool of different grade type when needing to fasten the screw of equidimension type, when the installation head is changed to needs, through the extrusion push rod, the push rod drives the fixture block of both sides to both sides motion, in docking the mounting head to the fixed sleeve this moment, then loosen the push rod, the fixture block receives movable spring's reset action, will kick-back, and the card is in the groove position of installation head, thereby fix the installation head in the fixed sleeve, the person of facilitating the use installs the installation head of equidimension type not on the fixed sleeve, satisfy the user and carry out fastening work to the screw of different grade type.

2. This screw fastening instrument with handle safeguard function, need fasten the screw and just need carry out the rotation through the instrument to building engineering's screw fixedly in building engineering, consequently just need play skid-proof effect in the handle position, through the extrusion lug, on the antiskid handle is docked to the connecting rod, then the lug resets through expanding spring and kick-backs to the jack of antiskid handle, and with the activity head of antiskid handle to one side top, dock in the antiskid handle through the lug this moment, just can fix the outside at the connecting rod with the antiskid handle, thereby play skid-proof effect, the user can be better when rotating screw fastening instrument play skid-proof effect, can not influence user's normal use.

3. This screw fastening instrument with handle safeguard function, because building engineering is using, need be with different screwed connection to the hole of variation in size, consequently just need adjust screw fastening instrument's length, through the terminal threaded rod of rotation screw fastening instrument for the threaded rod drives the fixed sleeve that one side is connected and stretches out and draws back along the inside of connecting rod, thereby plays the effect of adjusting whole screw fastening instrument's length, and the person of facilitating the use carries out screw fastening work.

Drawings

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

FIG. 2 is a front view of the cutting structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the mounting head of the present invention;

fig. 4 is a main view of the anti-slip grip of the present invention.

In the figure: 1. a mounting head; 2. fixing the sleeve; 3. a connecting rod; 4. an anti-slip grip; 5. a clamping block; 6. a movable rod; 7. a telescopic rod; 8. a telescopic sleeve; 9. a movable spring; 10. a push rod; 11. a movable head; 12. a raised head; 13. a tension spring; 14. a groove; 15. a bearing; 16. a threaded rod; 17. a thread groove.

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. 1-4, the present invention provides a technical solution: a screw tightening tool with handle protection, comprising: the device comprises a mounting head 1 and an anti-skidding grip 4, wherein one side of the mounting head 1 is connected with a fixed sleeve 2, one side of the fixed sleeve 2 is connected with a connecting rod 3, and the anti-skidding grip 4 is sleeved on the outer side of the connecting rod 3;

the both sides of installing head 1 are provided with fixture block 5, one side of fixture block 5 is connected with movable rod 6, the intermediate junction of movable rod 6 has telescopic link 7, the intermediate junction of two telescopic links 7 has telescopic sleeve 8, telescopic sleeve 8's inside is provided with movable spring 9, one side of movable rod 6 is connected with push rod 10, fixture block 5 docks the inside of installing head 1 through the jack with fixture block 5 size assorted, and fixture block 5 is provided with two sets ofly about the central line symmetry of installing head 1, telescopic link 7 passes through to constitute extending structure between movable spring 9 and the telescopic sleeve 8, and be fixed connection between telescopic link 7 and the movable rod 6.

When the screw fastening tool with the handle protection function is specifically implemented, when different mounting heads 1 need to be replaced, push rods 10 can be extruded towards two sides, the push rods 10 are extruded to drive telescopic rods 7 to move towards the outer sides of telescopic sleeves 8, and the movable rods 6 are extruded towards two sides, at the moment, fixture blocks 5 can move outwards in grooves 14 in one sides of the mounting heads 1, when the fixture blocks 5 completely move to two sides of the mounting heads 1, no fixture block 5 limits the mounting heads 1, the mounting heads 1 can be detached from the fixed sleeves 2, then the mounting heads 1 needing to be used are replaced, the push rods 10 are pushed, the fixture blocks 5 can move towards two sides, after the mounting heads 1 are butted to the fixed sleeves 2, the push rods 10 are loosened, at the moment, the push rods 10 do not extrude the movable rods 6, the telescopic rods 7 are subjected to the reset action of movable springs 9 inside the telescopic sleeves 8, the movable rods 6 can be driven to move towards the middle through the telescopic rods 7, the fixture blocks 5 are plugged into the grooves 14 of the mounting heads 1, at the moment, the mounting heads 1 can be fixedly mounted in the fixed sleeves 2 through the limiting action of the fixture blocks 5 on the mounting heads 1, at the moment, and the mounting heads 1 can be conveniently replaced by a user.

Referring to fig. 3, it can be known that, the mounting heads 1 with different sizes are inserted into the fixing sleeve 2, and then the mounting heads 1 can be fixed in the fixing sleeve 2 by extruding the movable springs 9 on the fixture blocks 5, so that the requirement for fastening screws of different types by a user can be met, and the use by the user is facilitated.

The outer side of the anti-skid grip 4 is provided with a movable head 11, one side of the movable head 11 is provided with a raised head 12, the bottom of the raised head 12 is provided with a telescopic spring 13, the surface of the connecting rod 3 is provided with a groove 14, the raised head 12 and the connecting rod 3 form a telescopic structure through the telescopic spring 13, the two groups of raised heads 12 are symmetrically arranged about the center of the connecting rod 3, and the raised heads 12 are inserted into the insertion holes of the anti-skid grip 4 through insertion holes matched with the size of the raised heads 12.

In specific implementation, when the anti-slip grip 4 needs to be installed on the outer side of the connecting rod 3, the raised heads 12 on the two sides of the connecting rod 3 are extruded, the raised heads 12 are extruded and can be contracted through the telescopic springs 13 in the grooves 14, the connecting rod 3 is butted into the anti-slip grip 4 at the moment, the anti-slip grip 4 extrudes the raised heads 12, after the raised heads 12 move to the positions of the movable heads 11 on one side of the anti-slip grip 4, the raised heads 12 can be reset and inserted into the insertion holes in the anti-slip grip 4 under the action of the telescopic springs 13, the movable heads 11 on one side of the anti-slip grip 4 are pushed upwards, the anti-slip grip 4 and the connecting rod 3 can be fixed through the limiting effect of the raised heads 12, a user can install the anti-slip grip 4 conveniently, when the anti-slip grip 4 needs to be detached from the connecting rod 3, the movable heads 11 are extruded and move downwards, the raised heads 12 are extruded and can be extruded, the raised heads 12 can be extruded to be retracted into the grooves 14, and the outer side of the anti-slip grip 4 can be detached from the connecting rod.

It can be known from the figure 4 that, because the screw fastening tool needs to rotate when fastening the screw, the antiskid is very critical, the protruding head 12 is driven by the telescopic spring 13 to reset and be clamped in the jack of the antiskid handle 4, the antiskid handle 4 can be installed outside the connecting rod 3, the antiskid effect can be played by holding the antiskid handle 4, and the screw can be fastened by a user conveniently.

Bearing 15 is installed to one side of connecting rod 3, and the internal connection of bearing 15 has threaded rod 16, connecting rod 3 seted up thread groove 17, and threaded rod 16 through connection is in the inside of connecting rod 3.

During the concrete implementation, this screw fastening instrument with handle safeguard function, when the length of whole screw fastening instrument is adjusted to needs, can be through rotating threaded rod 16, through the inside thread groove 17 of connecting rod 3, make threaded rod 16 drive connecting rod 3 fixed sleeve 2 of the both sides of one side stretch out and draw back along the inside of connecting rod 3, and be connected with bearing 15 between threaded rod 16 and the fixed sleeve 2, make threaded rod 16 at the rotation in-process, can not rotate between fixed sleeve 2 and the installation head 1, thereby the person of facilitating the use adjusts screw fastening instrument's length.

Referring to fig. 2, it can be known that, by rotating the threaded rod 16, the threaded rod 16 drives the fixing sleeve 2 connected on one side to move and contract along the inside of the connecting rod 3, so that the screws in holes with different sizes can be fastened, and the use and operation of a user are facilitated.

In summary, the following steps: when the mounting head 1 needs to be replaced with a different mounting head 1, push rods 10 can be squeezed to two sides, the push rods 10 are squeezed to drive the telescopic rods 7 to move towards the outer side of the telescopic sleeve 8, the movable rod 6 is squeezed to two sides, the clamping block 5 can move outwards towards a groove 14 in one side of the mounting head 1, when the clamping block 5 completely moves to two sides of the mounting head 1, the mounting head 1 can be detached from the fixed sleeve 2 without the clamping blocks 5, then the mounting head 1 to be replaced with the mounting head 1, the push rods 10 are pushed to drive the clamping block 5 to move towards two sides, after the mounting head 1 is butted into the fixed sleeve 2, the push rods 10 are loosened, the push rods 10 do not squeeze the movable rods 6 at the moment, the telescopic rods 7 are subjected to the resetting effect of the movable springs 9 inside the telescopic sleeve 8, the movable rods 6 are driven to move towards the middle by the telescopic rods 7, and the clamping block 5 is butted into the fixed sleeve 2, the mounting head 1 can be conveniently replaced with the mounting head 1 by a special mounting head 1, and the special protection tool for replacing the mounting head 1 is described in the technical description that the mounting head 1.

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 screw tightening tool with handle protection, comprising: the anti-skid device comprises an installing head (1) and an anti-skid grip (4), and is characterized in that one side of the installing head (1) is connected with a fixed sleeve (2), one side of the fixed sleeve (2) is connected with a connecting rod (3), and the anti-skid grip (4) is sleeved on the outer side of the connecting rod (3);

the two sides of the mounting head (1) are provided with clamping blocks (5), one side of each clamping block (5) is connected with a movable rod (6), the middle of each movable rod (6) is connected with a telescopic rod (7) and a telescopic sleeve (8), the middle of each telescopic rod (7) is connected with a telescopic sleeve (8), a movable spring (9) is arranged inside each telescopic sleeve (8), and one side of each movable rod (6) is connected with a push rod (10).

2. A screw tightening tool with handle guard according to claim 1, wherein: the fixture blocks (5) are butted to the inside of the mounting head (1) through the insertion holes matched with the fixture blocks (5) in size, and two groups of fixture blocks (5) are symmetrically arranged on the center line of the mounting head (1).

3. A screw tightening tool with handle guard according to claim 1, wherein: the telescopic rod (7) is of a telescopic structure formed between the movable spring (9) and the telescopic sleeve (8), and the telescopic rod (7) is fixedly connected with the movable rod (6).

4. A screw tightening tool with handle guard according to claim 1, wherein: the anti-skidding handle is characterized in that a movable head (11) is installed on the outer side of the anti-skidding handle (4), a raised head (12) is arranged on one side of the movable head (11), a telescopic spring (13) is arranged at the bottom of the raised head (12), and a groove (14) is formed in the surface of the connecting rod (3).

5. The screw tightening tool with handle protection according to claim 4, characterized in that: the raised heads (12) form a telescopic structure with the connecting rod (3) through telescopic springs (13), and two groups of raised heads (12) are symmetrically arranged around the center of the connecting rod (3).

6. A screw tightening tool with handle guard according to claim 4, wherein: the raised head (12) is inserted into the insertion hole of the anti-skid grip (4) through the insertion hole matched with the size of the raised head (12).

7. A screw tightening tool with handle guard according to claim 4, wherein: bearing (15) are installed to one side of connecting rod (3), the internal connection of bearing (15) has threaded rod (16), connecting rod (3) seted up thread groove (17).

8. A screw tightening tool with handle guard according to claim 7, wherein: the threaded rod (16) is connected inside the connecting rod (3) in a penetrating way.