CN204036350U - The extending formula screwdriver of a kind of connecting rod - Google Patents

The extending formula screwdriver of a kind of connecting rod Download PDF

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Publication number
CN204036350U
CN204036350U CN201420493395.9U CN201420493395U CN204036350U CN 204036350 U CN204036350 U CN 204036350U CN 201420493395 U CN201420493395 U CN 201420493395U CN 204036350 U CN204036350 U CN 204036350U
Authority
CN
China
Prior art keywords
connecting rod
hole
bolt
coupling bar
slide block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420493395.9U
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Chinese (zh)
Inventor
林群富
Original Assignee
林群富
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 林群富 filed Critical 林群富
Priority to CN201420493395.9U priority Critical patent/CN204036350U/en
Application granted granted Critical
Publication of CN204036350U publication Critical patent/CN204036350U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the extending formula screwdriver of a kind of connecting rod, comprises handle, bolt fixing hole, connecting rod, chute, fixed block, slide block, connection holes, screw rod, coupling bar, bolt, hold-down nut, spring, adjusting nut, through hole, driver bit.The utility model structure is simple, easy to use, the length of the connecting rod of T-shaped screwdriver can be regulated in a big way, thus can dismantle and the fastening screw being in different depth position, effectively reduce the quantity of the T-shaped screwdriver carried required for workmen, not only can reduce use cost, and the labour intensity of workmen can be reduced, be conducive to increasing work efficiency.

Description

The extending formula screwdriver of a kind of connecting rod
Technical field
The utility model relates to a kind of screwdriver, and specifically the extending formula screwdriver of a kind of connecting rod, belongs to machine tool technical field.
Background technology
As everyone knows, T-shaped screwdriver is made up of driver bit and the multiple component such as handle and connecting rod, be specially adapted to dismantle and fastening residing for the screw of the very narrow or very depths of caving in, space.
In machine work, often need to use T-shaped screwdriver to carry out dismounting and fastening to screw.In production and life, the structure of widely used T-shaped screwdriver is all generally fixing at present, dismounting and fastening cannot be carried out to the screw being in different depth position by the length of regulating connecting rod, the T-shaped screwdriver often needing workmen to carry multiple different length specification just can complete dismounting and the fastening task being in the screw of different depth position, so not only increase use cost, and increase the labour intensity of workmen, be unfavorable for increasing work efficiency.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of structure simple, easy to use, and can carry out dismantling and the fastening extending formula screwdriver of connecting rod to the screw being in different depth position by the length of regulating connecting rod.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the extending formula screwdriver of a kind of connecting rod, comprises handle, bolt fixing hole, connecting rod, chute, fixed block, slide block, connection holes, screw rod, coupling bar, bolt, hold-down nut, spring, adjusting nut, through hole, driver bit, it is characterized in that: one end of described connecting rod is fixedly connected with the middle part of handle is vertical, the two ends of handle are provided with bolt fixing hole, be provided with bolt in bolt fixing hole, bolt is provided with hold-down nut and spring, is provided with hollow structure in connecting rod, the both sides of connecting rod are provided with chute, chute is provided with coupling bar, and the two ends of coupling bar are provided with through hole, and the inside of connecting rod is provided with slide block, screw rod and coupling bar, slide block is provided with connection holes, screw rod is provided with adjusting nut, one end of screw rod is fixedly connected with one end of slide block, and the other end is fixedly connected with the top of driver bit, is provided with coupling bar in connection holes, slide block is fixed in connecting rod by the chute and the connection holes be arranged on slide block being arranged on connecting rod both sides by coupling bar, the lower end of chute is provided with fixed block, and fixed block is provided with through hole, and bolt is successively through the bolt fixing hole being arranged on handle two ends, the nut that is fixed after the through hole being arranged on coupling bar two ends and the through hole being arranged on fixed block is fixed in bolt fixing hole and through hole.
The length of described screw rod is greater than the length of described connecting rod.
The length of described connecting rod is greater than the length of described chute.
Slide block is fixed in connecting rod by the chute and the connection holes be arranged on slide block being arranged on connecting rod both sides by described coupling bar, and object is that anti-limited slip block loosens or comes off.
The length of described coupling bar is greater than the width of described connecting rod.
Described screw rod is provided with adjusting nut, and adjusting nut stretches out the length of connecting rod by adjusting screw(rod) thus reaches the flexible object of connecting rod.
The length of described bolt is greater than the length of described connecting rod.
The drift of described spring is greater than the length of described bolt.
Described bolt is being successively fixed in bolt fixing hole and through hole through the nut that is fixed after being arranged on the bolt fixing hole at handle two ends, the through hole being arranged on coupling bar two ends and the through hole being arranged on fixed block, and object prevents bolt looseness or comes off.
Compared with prior art, the utility model has following beneficial effect: structure is simple, easy to use, the length of the connecting rod of T-shaped screwdriver can be regulated in a big way, thus can dismantle and the fastening screw being in different depth position, effectively reduce the quantity of the T-shaped screwdriver carried required for workmen, not only can reduce use cost, and the labour intensity of workmen can be reduced, be conducive to increasing work efficiency.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is another stereochemical structure view of Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is another perspective view of the present utility model.
Fig. 5 is another stereochemical structure view of Fig. 4.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is stereochemical structure decomposing schematic representation of the present utility model.
Fig. 8 is another stereochemical structure view of Fig. 7.
Fig. 9 is the front view of Fig. 8.
Figure 10 is the perspective view of adjusting nut 13 in the utility model.
Figure 11 is another stereochemical structure view of Figure 10.
Figure 12 is the perspective view after removing connecting rod 3 in Fig. 1.
Figure 13 is another stereochemical structure view of Figure 12.
Figure 14 is the front view of Figure 13.
Figure 15 is the perspective view after removing connecting rod 3 in Fig. 4.
Figure 16 is another stereochemical structure view of Figure 15.
Figure 17 is the front view of Figure 16.
Figure 18 is the stereochemical structure assembling schematic diagram of slide block 6 in the utility model, screw rod 8, coupling bar 9, adjusting nut 13 and driver bit 15.
Figure 19 is another stereochemical structure view of Figure 18.
Figure 20 is the front view of Figure 19.
In figure: 1-handle, 2-bolt fixing hole, 3-connecting rod, 4-chute, 5-fixed block, 6-slide block, 7-connection holes, 8-screw rod, 9-coupling bar, 10-bolt, 11-hold-down nut, 12-spring, 13-adjusting nut, 14-through hole, 15-driver bit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, shown in Figure 19 and Figure 20, the extending formula screwdriver of a kind of connecting rod, comprises handle 1, bolt fixing hole 2, connecting rod 3, chute 4, fixed block 5, slide block 6, connection holes 7, screw rod 8, coupling bar 9, bolt 10, hold-down nut 11, spring 12, adjusting nut 13, through hole 14, driver bit 15, it is characterized in that: one end of described connecting rod 3 is fixedly connected with the middle part of handle 1 is vertical, the two ends of handle 1 are provided with bolt fixing hole 2, be provided with bolt 10 in bolt fixing hole 2, bolt 10 is provided with hold-down nut 11 and spring 12, is provided with hollow structure in connecting rod 3, the both sides of connecting rod 3 are provided with chute 4, chute 4 is provided with coupling bar 9, and the two ends of coupling bar 9 are provided with through hole 14, and the inside of connecting rod 3 is provided with slide block 6, screw rod 8 and coupling bar 9, slide block 6 is provided with connection holes 7, screw rod 8 is provided with adjusting nut 13, one end of screw rod 8 is fixedly connected with one end of slide block 6, the other end is fixedly connected with the top of driver bit 15, coupling bar 9 is provided with in connection holes 7, slide block 6 is fixed in connecting rod 3 by the chute 4 and the connection holes 7 be arranged on slide block 6 being arranged on connecting rod 3 both sides by coupling bar 9, the lower end of chute 4 is provided with fixed block 5, fixed block 5 is provided with through hole 14, and bolt 10 is successively through the bolt fixing hole 2 being arranged on handle 1 two ends, the nut 11 that is fixed after the through hole 14 being arranged on coupling bar 9 two ends and the through hole 14 being arranged on fixed block 5 is fixed in bolt fixing hole 2 and through hole 14.
The length of described screw rod 8 is greater than the length of described connecting rod 3.
The length of described connecting rod 3 is greater than the length of described chute 4.
Slide block 6 is fixed in connecting rod 3 by the chute 4 and the connection holes 7 be arranged on slide block 6 being arranged on connecting rod 3 both sides by described coupling bar 9, and object is that anti-limited slip block 6 loosens or comes off.
The length of described coupling bar 9 is greater than the width of described connecting rod 3.
Described screw rod 8 is provided with adjusting nut 13, and adjusting nut 13 stretches out the length of connecting rod 3 by adjusting screw(rod) 8 thus reaches the flexible object of connecting rod 3.
The length of described bolt 10 is greater than the length of described connecting rod 3.
The drift of described spring 12 is greater than the length of described bolt 10.
Described bolt 10 is being successively fixed in bolt fixing hole 2 and through hole 14 through the nut 11 that is fixed after being arranged on the bolt fixing hole 2 at handle 1 two ends, the through hole 14 being arranged on coupling bar 9 two ends and the through hole 14 being arranged on fixed block 5, and object prevents bolt 10 from loosening or coming off.
As shown in Figure 1, Figure 2 and Figure 3, when need dismounting and fastening be in the screw of more shallow position time, screw rod 8 screws in connecting rod 3 by first turn adjusting nut 13, because one end of screw rod 8 is fixedly connected with one end of slide block 6, the other end is fixedly connected with the top of collet head 15, therefore screw rod 8 just can stretch into along the inwall of connecting rod 3 under the effect of spring 12 elastic force, then embedded by driver bit 15 and need to be disassembled with in the groove of fastening screw, last turning handle 1 can carry out dismounting and fastening to the screw being in more shallow position.
As shown in Figure 4, Figure 5 and Figure 6, when need dismounting and fastening be in compared with deep location screw time, screw rod 8 screws out outside connecting rod 3 by first turn adjusting nut 13, because one end of screw rod 8 is fixedly connected with one end of slide block 6, the other end is fixedly connected with the top of collet head 15, therefore screw rod 8 just can stretch out along the inwall of connecting rod 3 under the effect of adjusting nut 13, then embedded by driver bit 15 and need to be disassembled with in the groove of fastening screw, last turning handle 1 can carry out dismounting and fastening to being in compared with the screw of deep location.
The above is preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.

Claims (2)

1. the extending formula screwdriver of connecting rod, comprise handle (1), bolt fixing hole (2), connecting rod (3), chute (4), fixed block (5), slide block (6), connection holes (7), screw rod (8), coupling bar (9), bolt (10), hold-down nut (11), spring (12), adjusting nut (13), through hole (14), driver bit (15), it is characterized in that: one end of described connecting rod (3) is fixedly connected with the middle part of handle (1) is vertical, the two ends of handle (1) are provided with bolt fixing hole (2), bolt (10) is provided with in bolt fixing hole (2), bolt (10) is provided with hold-down nut (11) and spring (12), connecting rod is provided with hollow structure in (3), the both sides of connecting rod (3) are provided with chute (4), chute (4) is provided with coupling bar (9), the two ends of coupling bar (9) are provided with through hole (14), the inside of connecting rod (3) is provided with slide block (6), screw rod (8) and coupling bar (9), slide block (6) is provided with connection holes (7), screw rod (8) is provided with adjusting nut (13), one end of screw rod (8) is fixedly connected with one end of slide block (6), the other end is fixedly connected with the top of driver bit (15), coupling bar (9) is provided with in connection holes (7), slide block (6) is fixed in connecting rod (3) by the chute (4) and the connection holes (7) be arranged on slide block (6) being arranged on connecting rod (3) both sides by coupling bar (9), the lower end of chute (4) is provided with fixed block (5), fixed block (5) is provided with through hole (14), bolt (10) is successively through the bolt fixing hole (2) being arranged on handle (1) two ends, the nut (11) that is fixed after the through hole (14) being arranged on coupling bar (9) two ends and the through hole (14) being arranged on fixed block (5) is fixed in bolt fixing hole (2) and through hole (14).
2. the extending formula screwdriver of a kind of connecting rod according to claim 1, is characterized in that: the length of described screw rod (8) is greater than the length of described connecting rod (3).
CN201420493395.9U 2014-08-29 2014-08-29 The extending formula screwdriver of a kind of connecting rod Expired - Fee Related CN204036350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420493395.9U CN204036350U (en) 2014-08-29 2014-08-29 The extending formula screwdriver of a kind of connecting rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420493395.9U CN204036350U (en) 2014-08-29 2014-08-29 The extending formula screwdriver of a kind of connecting rod

Publications (1)

Publication Number Publication Date
CN204036350U true CN204036350U (en) 2014-12-24

Family

ID=52237058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420493395.9U Expired - Fee Related CN204036350U (en) 2014-08-29 2014-08-29 The extending formula screwdriver of a kind of connecting rod

Country Status (1)

Country Link
CN (1) CN204036350U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141224

Termination date: 20150829

EXPY Termination of patent right or utility model