CN2736117Y

CN2736117Y - Multifunctional screwdriver

Info

Publication number: CN2736117Y
Application number: CN 200420094040
Authority: CN
Inventors: 姜跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-10-18
Filing date: 2004-10-18
Publication date: 2005-10-26
Anticipated expiration: 2014-10-18

Abstract

The utility model relates to a multifunctional screwdriver, comprising a handle and a screwdriver rod which is arranged on the front end of the handle, and is characterized in that the handle is a hollow handle body. An electricity testing device used for testing voltage is arranged in the handle. A latch mechanism which is used to latch the screwdriver rod which is inserted and installed on the handle and a hand-protection end handle which can rotate relatively to the handle are respectively arranged on the front end and the back end of the handle. The screwdriver rod is inserted and installed on the front end of the handle through the latch mechanism, and can be disassembled and assembled. Because the utility model uses the handle in which the electricity testing device is arranged, the screwdriver rod which can be disassembled, assembled and connected with the handle and the hand-protection end handle which is arranged on the handle, screwdriver rods with different screwing mouths can be replaced on the utility model to screw screws according to different screwing openings. In addition, the multifunctional screwdriver has the advantages of voltage test and palms protection, strong practicability, comprehensive functions, convenient use, wide use range, simple connecting structure, reliability, and easy processing and manufacture.

Description

A kind of multifunctional screw driver

Technical field

The utility model relates to a kind of multifunctional screw driver.

Background technology

The screwdriver of existing multiple function at various different applications, its structure and size are also different.As: the common screwdriver that has survey electric work energy, also often be called " test pencil ", it mainly is made up of the interior screwdriver rod that handle reaches and handle fixedly is connected as a single entity of surveying electric installation that is equipped with.The screwdriver of this structure is because its screwdriver rod is fixedly to be connected as a single entity with handle, make it not change screwdriver rod at the screw of stubborn mouthful of difference, screw different screws of twisting mouth to be suitable for, its scope of application is narrow, use is very inconvenient thereby cause.And this structure screwdriver causes it in use owing at handle handguard mechanism is not set, and the handle end and the centre of the palm are easy to generate big frictional force, thereby as long as service time is long slightly, produces very major injury with regard to the centre of the palm that constitutes human body.Therefore, this structure screwdriver exists function singleness, the scope of application is narrow, use is inconvenient, the problems such as function of unprotect palm.Chinese patent ZL90207520.9 discloses a kind of " holder handle electroprobe screwdriver ", and it mainly surveys the screwdriver rod that handle reaches and handle fixedly is connected as a single entity of electric installation by interior dress and the handguard end handle that is installed on handle rear end is formed.The screwdriver of this structure causes it not change screwdriver rod at the screw of stubborn mouthful of difference because its screwdriver rod fixedly is connected as a single entity with handle, screws different stubborn mouthful screws to be applicable to.Therefore, the screwdriver of this structure exist equally function singleness, the scope of application narrow, use problem such as inconvenience.

Summary of the invention

The purpose of this utility model is to solve above-mentioned existing problems, provide a kind of complete function, applied widely, use very conveniently, and simple in structure, reliable, processing and manufacturing is easy to screwdriver.

The technical solution of the utility model is achieved in that

A kind of multifunctional screw driver, comprise handle and be installed on the screwdriver rod of handle front end, its characteristics are that described handle is the hollow handle body, and be provided with the survey electric installation that is used for test voltage in it, its front and back ends is respectively equipped with and is used for kayser and firmly is plugged in the locking mechanism of the screwdriver rod on the handle and the handguard end handle that can produce relative rotation with handle, and described screwdriver rod is plugged in the front end of handle removably by locking mechanism.

For making assembly structure of the present utility model simple, connect reliable, convenient, above-mentioned locking mechanism comprises metal sleeve, spring, card pearl and be arranged at screens on the screwdriver rod, but the outside of wherein said handle front end is provided with the recess that can be inserted in for metal sleeve accordingly and is positioned at the hole clipping that correspondence position on the recess is provided with ammunition feed spring and card pearl setting-in, described screwdriver rod is plugged in the front end of handle, and by the card pearl that setting-in is gone into hole clipping snap in the screens of screwdriver rod and successively setting-in go into the spring of hole clipping, be nested with on recess metal sleeve to the card pearl chucking successively and reliably, install on handle removably.

In order further to simplify assembly structure of the present utility model, and can reach again and connect reliably, simply, the purpose that increases the service life, but the rear end of above-mentioned handle is respectively equipped with link and the connecting hole that mutual sheathing is connected with handguard end handle, and also be provided with between it can change relatively bindiny mechanism that handle and handguard end handle are connected, this bindiny mechanism comprises a plurality of balls and a jump ring, wherein, the lateral wall of described link, the madial wall of connecting hole is provided with the screens that can set slip for plurality of balls respectively accordingly, and the lateral wall that corresponds to handguard end handle also is provided with the groove that can supply jump ring to snap in, and between this groove and screens, be provided with a perforation that is used to pack into ball, described handle is connected with handguard end handle with the suit mutually of connecting hole by its link, and by setting the ball between the screens and being placed in the jump ring in the groove and connecting with handguard end handle reliably with relatively rotating.

In order to make structure of the present utility model more simple more further, make more convenient, easy, use more convenient, above-mentioned survey electric installation comprise spring, neon bulb, the resistance in the handle that is installed on hollow successively and be connected in screwdriver rod and resistance between metalwork, wherein, position corresponding to neon bulb on the above-mentioned handle is provided with transparent work indicating window, and accordingly the position of spring be provided with that the artificial earthing uses with the spring peg that connects of electricity mutually.

The utility model is owing to be equipped with the structure that the handle of surveying electric installation and the screwdriver rod that can be connected with the handle dismounting and handle are provided with handguard end handle in adopting; make the utility model change different screwdriver rods of twisting mouths and screw screw according to the screw of stubborn mouthful of difference; and have test voltage and the protection palm function; not only practical, complete function, extremely easy to use, applied widely; and it is simple, reliable to have syndeton, and processing and manufacturing is easy to characteristics.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

As shown in Figure 1, the utility model comprises handle 1 and is installed on the screwdriver rod 2 of handle 1 front end.Solve the existing function singleness of existing screwdriver for having, the scope of application is narrow, use is inconvenient, the problems such as function of unprotect palm; handle 1 described in the utility model is the hollow handle body; and be provided with the survey electric installation that is used for test voltage in it; its front and back ends is respectively equipped with and is used for kayser and firmly is plugged in the locking mechanism of the screwdriver rod 2 on the handle 1 and the handguard end handle 3 that can produce relative rotation with handle 1, and described screwdriver rod 2 is plugged in the front end of handle 1 removably by locking mechanism.Like this, can make the utility model in use, can screw screw according to the screwdriver rod that different sizes and the screw of twisting mouth are changed different sizes and stubborn mouth by be equipped with the screwdriver rod 2 of various different sizes and stubborn mouth for the utility model; And have test voltage and the protection palm function, not only practical, complete function, extremely easy to use, applied widely.For making assembly structure of the present utility model simple, connect reliable, convenient, above-mentioned locking mechanism comprises metal sleeve 4, spring 5, card pearl 6 and be arranged at screens 21 on the screwdriver rod 2, but the outside of wherein said handle 1 front end is provided with the recess 11 that can be inserted in for metal sleeve 4 accordingly and is positioned at the hole clipping 12 that correspondence position on the recess 11 is provided with ammunition feed spring 5 and card pearl 6 setting-ins, described screwdriver rod 2 is plugged in the front end of handle 1, and by the card pearl 6 that setting-in is gone into hole clipping 12 snap in the screens 21 of screwdriver rod 2 and successively setting-in go into the spring 5 of hole clipping 12, be nested with 4 pairs of the metal sleeves card pearl 6 on recess 11 chucking successively and reliably, install removably on handle 1.Not only syndeton is simple, reliable to make the utility model, structural strength height, processing and manufacturing are easy, but also solve at present effectively that the existing syndeton of screwdriver of the replaceable screwdriver rod of discloseder function singlenesses on the market is unreliable, problem such as intensity difference, service life are short.For improving security performance height of the present utility model, as shown in Figure 1, be provided with electro-insulating rubber piece 30 between above-mentioned metal sleeve 4 and the spring 5.Make the utility model when being used for measuring voltage, can avoid effectively electric shock accidents taking place owing to touching metal sleeve 4 because of carelessness.In order further to simplify assembly structure of the present utility model, and can reach again and connect reliably, simply, the purpose that increases the service life, but the rear end of above-mentioned handle 1 is respectively equipped with link 13 and the connecting hole 31 that mutual sheathing is connected with handguard end handle 3, and also be provided with between it can change relatively bindiny mechanism that handle 1 and handguard end handle 3 are connected, this bindiny mechanism comprises a plurality of balls 7 and a jump ring 8, wherein, the lateral wall of described link 13, the madial wall of connecting hole 31 is provided with the screens 131 that can set slip for plurality of balls 7 respectively accordingly, 311, and the lateral wall that corresponds to handguard end handle 3 also is provided with the groove 32 that can supply jump ring 8 to snap in, and between this groove 32 and screens 311, be provided with a perforation 33 that is used to pack into ball 7, described handle 1 is connected with handguard end handle 3 with the suit mutually of connecting hole 31 by its link 13, and by setting into screens 131, ball 7 between 311 and be placed in the jump ring 8 in the groove 32 and connect with handguard end handle 3 reliably with relatively rotating.In order to make structure of the present utility model more simple more further, make more convenient, easy, cost is lower, use more convenient, above-mentioned survey electric installation comprise spring 101, neon bulb 102, the resistance 103 in the handle 1 that is installed on hollow successively and be connected in screwdriver rod 2 and resistance 103 between metalwork 104, wherein, position corresponding to neon bulb 101 on the above-mentioned handle 1 is provided with transparent work indicating window 14, and accordingly the position of spring 101 be provided with that the artificial earthing uses with spring 101 peg 9 that connects of electricity mutually.Make the utility model when test voltage, need only screwdriver rod 2 is touched on measured electrical equipment, and touch peg 9, can observe neon bulb 101 from work indicating window 14 and whether work, thereby determine whether measured electrical equipment is charged with finger.For making the anti-skidding effect of the utility model, reach the effect that increases frictional force, above-mentioned handle 1 is the handle body of plastic cement material, and its lateral wall is provided with the anti-skidding dimpled grain 10 that increases frictional force.Simultaneously, for improving the utility model structural strength more further, as shown in Figure 1, also be provided with a hexagonal metal sleeve 20 between the plug-in mounting face of above-mentioned handle 1 and screwdriver rod 2, the position that corresponds to the hole clipping 12 of handle 1 on this metal sleeve 10 is provided with a through hole, the upper end of above-mentioned screwdriver rod 2 is hexagonal plug-in mounting end, and above-mentioned screwdriver rod 2 reaches anti-rotation, only is connected with revolving with handle 2 with the plug-in mounting of hexagonal metal sleeve 20 by hexagon plug-in mounting end.

Claims

1, a kind of multifunctional screw driver, comprise handle (1) and be installed on the screwdriver rod (2) of handle (1) front end, it is characterized in that described handle (1) is the hollow handle body, and be provided with the survey electric installation that is used for test voltage in it, its front and back ends is respectively equipped with and is used for kayser and firmly is plugged in the locking mechanism of the screwdriver rod (2) on the handle (1) and the handguard end handle (3) that can produce relative rotation with handle (1), and described screwdriver rod (2) is plugged in the front end of handle (1) removably by locking mechanism.

2, according to the described multifunctional screw driver of claim 1, it is characterized in that above-mentioned locking mechanism comprises metal sleeve (4), spring (5), card pearl (6) and be arranged at screens (21) on the screwdriver rod (2), the outside of wherein said handle (1) front end be provided with accordingly can supply the recess (11) that metal sleeve (4) is inserted in and be positioned at recess (11) but on correspondence position be provided with the hole clipping (12) of ammunition feed spring (5) and card pearl (6) setting-in, described screwdriver rod (2) is plugged in the front end of handle (1), and snaps in the screens (21) of screwdriver rod (2) and the setting-in spring (5) of going into hole clipping (12) successively by the card pearl (6) that setting-in is gone into hole clipping (12), be nested with on recess (11) metal sleeve (4) to the card pearl (6) chucking successively and reliably, install removably on handle (1).

3,, it is characterized in that being provided with electro-insulating rubber piece (30) between above-mentioned metal sleeve (4) and the spring (5) according to the described multifunctional screw driver of claim 2.

4, according to the described multifunctional screw driver of claim 1, the rear end that it is characterized in that above-mentioned handle (1) with handguard end handle (3) but be respectively equipped with link (13) and the connecting hole (31) that mutual sheathing is connected, and also be provided with between it can change relatively bindiny mechanism that handle (1) and handguard end handle (3) are connected, this bindiny mechanism comprises a plurality of balls (7) and a jump ring (8), wherein, the lateral wall of described link (13), the madial wall of connecting hole (31) is provided with accordingly respectively and can supplies plurality of balls (7) to set the screens (131 of slip, 311), and the lateral wall that corresponds to handguard end handle (3) also is provided with the groove (32) that can supply jump ring (8) to snap in, and be positioned at and be provided with a perforation (33) that is used to pack into ball (7) between this groove (32) and the screens (311), described handle (1) is connected with handguard end handle (3) with the suit mutually of connecting hole (31) by its link (13), and by setting into screens (131,311) ball between (7) and be placed in the jump ring (8) in the groove (32) and connect with handguard end handle (3) reliably with relatively rotating.

5, according to the described multifunctional screw driver of claim 1, it is characterized in that above-mentioned survey electric installation comprise spring (101), neon bulb (102), the resistance (103) in the handle (1) that is installed on hollow successively and be connected in screwdriver rod (2) and resistance (103) between metalwork (104), wherein, the position that above-mentioned handle (1) is gone up corresponding to neon bulb (101) is provided with transparent work indicating window (14), and accordingly the position of spring (101) be provided with that the artificial earthing uses with spring (101) peg (9) that connects of electricity mutually.

6, according to claim 1 or 2 described multifunctional screw drivers, it is characterized in that above-mentioned handle (1) is the handle body of plastic cement material, and its lateral wall is provided with the anti-skidding dimpled grain (10) that increases frictional force, and also be provided with a metal sleeve (20) between the plug-in mounting face of itself and screwdriver rod (2), the position that corresponds to the hole clipping (12) of handle (1) on this metal sleeve (10) is provided with a through hole.