CN204195629U - The adjustable T-shaped screwdriver of a kind of length of connecting rod - Google Patents
The adjustable T-shaped screwdriver of a kind of length of connecting rod Download PDFInfo
- Publication number
- CN204195629U CN204195629U CN201420513114.1U CN201420513114U CN204195629U CN 204195629 U CN204195629 U CN 204195629U CN 201420513114 U CN201420513114 U CN 201420513114U CN 204195629 U CN204195629 U CN 204195629U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- length
- coupling bar
- screw
- screw rod
- 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
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Abstract
The utility model relates to the adjustable T-shaped screwdriver of a kind of length of connecting rod, comprises handle, tapped through hole, screw rod, knob, coupling bar, annular groove, connecting rod, expansion link, connection holes, screw hole, trip bolt, chamfering, 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
Technical field
The utility model relates to a kind of screwdriver, and specifically the adjustable T-shaped screwdriver of a kind of length 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 adjustable T-shaped screwdriver of length 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 adjustable T-shaped screwdriver of a kind of length of connecting rod, comprises handle, tapped through hole, screw rod, knob, coupling bar, annular groove, connecting rod, expansion link, connection holes, screw hole, trip bolt, chamfering, driver bit, it is characterized in that: the middle part of described handle is provided with tapped through hole, screw rod is provided with in tapped through hole, the upper end of screw rod is provided with knob, the lower end of screw rod is provided with coupling bar, the middle part of coupling bar is provided with annular groove, the upper end of screw rod is fixedly connected with one end of knob, the other end of screw rod is fixedly connected with one end of coupling bar, and one end of connecting rod is fixedly connected with the middle part of handle is vertical, is provided with hollow structure in connecting rod, expansion link is provided with in the hollow structure of connecting rod, the top of expansion link is provided with connection holes, and expansion link is provided with screw hole, is provided with trip bolt in screw hole, the screw rod embedding of trip bolt is arranged in the annular groove in the middle part of coupling bar, the end of expansion link is provided with chamfering, and expansion link is connected by the top of the chamfering with driver bit that are arranged on end, and coupling bar is entering after in connection holes by screw hole, trip bolt and annular groove are fixed in connection holes.
The length of described screw rod is greater than the length of described coupling bar.
Four-prism shape hollow structure is provided with in described connecting rod.
Described expansion link is four-prism shape structure.
The length of described expansion link is greater than the length of described connecting rod.
The length of described connecting rod is greater than the length of described screw rod.
The width of described annular groove is greater than the diameter of the screw rod of described trip bolt, and effect is in the annular groove that allows the screw rod of trip bolt embed to be arranged in the middle part of coupling bar, thus reaches the object be fixed on by coupling bar in connection holes.
The length of described coupling bar is greater than the degree of depth of described connection holes.
The diameter of described coupling bar is greater than the diameter of described screw rod.
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. 1.
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. 4.
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. 7.
Figure 10 is another stereochemical structure decomposing schematic representation of the present utility model.
Figure 11 is another stereochemical structure view of Figure 10.
Figure 12 is the front view of Figure 10.
Figure 13 is the stereochemical structure view after removing connecting rod 7 in Fig. 1.
Figure 14 is the stereochemical structure view after removing connecting rod 7 in Fig. 2.
Figure 15 is the stereochemical structure view after removing connecting rod 7 in Fig. 3.
Figure 16 is the stereochemical structure view after removing connecting rod 7 in Fig. 4.
Figure 17 is the stereochemical structure view after removing connecting rod 7 in Fig. 5.
Figure 18 is the stereochemical structure view after removing connecting rod 7 in Fig. 6.
Figure 19 is the stereochemical structure assembling schematic diagram of screw rod 3 in the utility model, knob 4, coupling bar 5 and trip bolt 11.
Figure 20 is another stereochemical structure view of Figure 19.
Figure 21 is the front view of Figure 19.
Figure 22 is the stereochemical structure assembling schematic diagram of coupling bar 5 in the utility model, expansion link 8 and trip bolt 11.
Figure 23 is another stereochemical structure view of Figure 22.
Figure 24 is the front view of Figure 22.
In figure: 1-handle, 2-tapped through hole, 3-screw rod, 4-knob, 5-coupling bar, 6-annular groove, 7-connecting rod, 8-expansion link, 9-connection holes, 10-screw hole, 11-trip bolt, 12-chamfering, 13-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, Figure 19, Figure 20, Figure 21, Figure 22, shown in Figure 23 and Figure 24, the adjustable T-shaped screwdriver of a kind of length of connecting rod, comprises handle 1, tapped through hole 2, screw rod 3, knob 4, coupling bar 5, annular groove 6, connecting rod 7, expansion link 8, connection holes 9, screw hole 10, trip bolt 11, chamfering 12, driver bit 13, it is characterized in that: the middle part of described handle 1 is provided with tapped through hole 2, screw rod 3 is provided with in tapped through hole 2, the upper end of screw rod 3 is provided with knob 4, the lower end of screw rod 3 is provided with coupling bar 5, the middle part of coupling bar 5 is provided with annular groove 6, the upper end of screw rod 3 is fixedly connected with one end of knob 4, the other end of screw rod 3 is fixedly connected with one end of coupling bar 5, one end of connecting rod 7 is fixedly connected with the middle part of handle 1 is vertical, hollow structure is provided with in connecting rod 7, expansion link 8 is provided with in the hollow structure of connecting rod 7, the top of expansion link 8 is provided with connection holes 9, expansion link 8 is provided with screw hole 10, trip bolt 11 is provided with in screw hole 10, the screw rod embedding of trip bolt 11 is arranged in the annular groove 6 in the middle part of coupling bar 5, the end of expansion link 8 is provided with chamfering 12, expansion link 8 is connected with the top of driver bit 13 by the chamfering 12 being arranged on end, coupling bar 5 is entering after in connection holes 9 by screw hole 10, trip bolt 11 and annular groove 6 are fixed in connection holes 9.
The length of described screw rod 3 is greater than the length of described coupling bar 5.
Four-prism shape hollow structure is provided with in described connecting rod 7.
Described expansion link 8 is four-prism shape structure.
The length of described expansion link 8 is greater than the length of described connecting rod 7.
The length of described connecting rod 7 is greater than the length of described screw rod 3.
The width of described annular groove 6 is greater than the diameter of the screw rod of described trip bolt 11, and effect is in the annular groove 6 that allows the screw rod of trip bolt 11 embed to be arranged in the middle part of coupling bar 5, thus reaches the object be fixed on by coupling bar 5 in connection holes 9.
The length of described coupling bar 5 is greater than the degree of depth of described connection holes 9.
The diameter of described coupling bar 5 is greater than the diameter of described screw rod 3.
As Fig. 1, shown in Fig. 2 and Fig. 3, when need dismounting and fastening be in the screw of more shallow position time, screw rod 3 stretches out in connecting rod 7 by first turn knobs 4, the upper end of screw rod 3 is fixedly connected with one end of knob 4, the other end of screw rod 3 is fixedly connected with one end of coupling bar 5, and coupling bar 5 is entering after in connection holes 9 by screw hole 10, trip bolt 11 and annular groove 6 are fixed in connection holes 9, therefore expansion link 8 just can stretch into along the inwall of connecting rod 7, then driver bit 13 is embedded 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 Fig. 4, shown in Fig. 5 and Fig. 6, when need dismounting and fastening be in compared with deep location screw time, screw rod 3 stretches in connecting rod 7 by first turn knobs 4, the upper end of screw rod 3 is fixedly connected with one end of knob 4, the other end of screw rod 3 is fixedly connected with one end of coupling bar 5, and coupling bar 5 is entering after in connection holes 9 by screw hole 10, trip bolt 11 and annular groove 6 are fixed in connection holes 9, therefore expansion link 8 just can stretch out along the inwall of connecting rod 7, then driver bit 13 is embedded 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 adjustable T-shaped screwdriver of length of connecting rod, comprise handle (1), tapped through hole (2), screw rod (3), knob (4), coupling bar (5), annular groove (6), connecting rod (7), expansion link (8), connection holes (9), screw hole (10), trip bolt (11), chamfering (12), driver bit (13), it is characterized in that: the middle part of described handle (1) is provided with tapped through hole (2), screw rod (3) is provided with in tapped through hole (2), the upper end of screw rod (3) is provided with knob (4), the lower end of screw rod (3) is provided with coupling bar (5), the middle part of coupling bar (5) is provided with annular groove (6), the upper end of screw rod (3) is fixedly connected with one end of knob (4), the other end of screw rod (3) is fixedly connected with one end of coupling bar (5), one end of connecting rod (7) is fixedly connected with the middle part of handle (1) is vertical, connecting rod is provided with hollow structure in (7), expansion link (8) is provided with in the hollow structure of connecting rod (7), the top of expansion link (8) is provided with connection holes (9), expansion link (8) is provided with screw hole (10), trip bolt (11) is provided with in screw hole (10), the screw rod embedding of trip bolt (11) is arranged in the annular groove (6) at coupling bar (5) middle part, the end of expansion link (8) is provided with chamfering (12), expansion link (8) is connected with the top of driver bit (13) by the chamfering (12) being arranged on end, coupling bar (5) is entering after in connection holes (9) by screw hole (10), trip bolt (11) and annular groove (6) are fixed in connection holes (9).
2. the adjustable T-shaped screwdriver of a kind of length of connecting rod according to claim 1, is characterized in that: the length of described screw rod (3) is greater than the length of described coupling bar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513114.1U CN204195629U (en) | 2014-08-31 | 2014-08-31 | The adjustable T-shaped screwdriver of a kind of length of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513114.1U CN204195629U (en) | 2014-08-31 | 2014-08-31 | The adjustable T-shaped screwdriver of a kind of length of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204195629U true CN204195629U (en) | 2015-03-11 |
Family
ID=52653628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513114.1U Expired - Fee Related CN204195629U (en) | 2014-08-31 | 2014-08-31 | The adjustable T-shaped screwdriver of a kind of length of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204195629U (en) |
-
2014
- 2014-08-31 CN CN201420513114.1U patent/CN204195629U/en not_active Expired - Fee Related
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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: 20150311 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |