CN203210278U - Screwdriver - Google Patents
Screwdriver Download PDFInfo
- Publication number
- CN203210278U CN203210278U CN 201320101462 CN201320101462U CN203210278U CN 203210278 U CN203210278 U CN 203210278U CN 201320101462 CN201320101462 CN 201320101462 CN 201320101462 U CN201320101462 U CN 201320101462U CN 203210278 U CN203210278 U CN 203210278U
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- cutter head
- knife bar
- screwdriver head
- handle
- 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
Links
Images
Landscapes
- Details Of Cutting Devices (AREA)
Abstract
The utility model discloses a screwdriver which comprises a screwdriver head, a screwdriver rod and a handle. The screwdriver rod is fixedly arranged on the handle, a screwdriver head inserting hole is formed in one end of the screwdriver rod, an embedding hole is formed in the screwdriver head inserting hole, the screwdriver head is provided with a connector, a small hole is formed in the connector, a flexible spring and a marble are arranged in the small hole in sequence, and the screwdriver head is fixedly connected with the screwdriver rod with the marble embedded into the embedding hole. Compared with the prior art, through the design of the flexible spring and the marble on the screwdriver head, the screwdriver utilizes the action force of the flexible spring on the marble to enable the connection of the screwdriver head and the screwdriver rod to be firmer, prevents the screwdriver head from falling off, and has the advantages of being flexible in assembling and disassembling and long in service life.
Description
Technical field
The utility model relates to a kind of screwdriver, belongs to the hand-operated tools field.
Background technology
In the prior art, the normal screws cutter all is that cutter head and knife bar are formed in one, and this screwdriver has simple in structure, is fit to the advantage of batch process, yet also has the inconvenience of carrying, the cutter head shortcoming of damage easily.So designers have developed a kind of screwdriver that can load and unload, add magnetic by giving cutter head or knife bar, it is fixing to make both to adsorb, yet the magnetic of this screwdriver weakens gradually along with the increase of service time easily, and consequently last cutter head and knife bar can't be connected and fixed.
The utility model content
The purpose of this utility model is to provide a kind of cutter head to be connected firmly at above-mentioned the deficiencies in the prior art, the screwdriver of long service life.
For achieving the above object, the technical solution of the utility model is: a kind of screwdriver, comprise cutter head, knife bar and handle, knife bar is fixed on the handle, and described knife bar one end offers the cutter head jack, offers the embedding hole on the cutter head jack, described cutter head is provided with joint, offer aperture on the joint, be placed with coil tension spring and hoodle in the aperture successively, cutter head embeds the embedding hole with knife bar by hoodle and fixedlys connected.
The beneficial effects of the utility model are: compared with prior art, by the coil tension spring on the cutter head and hoodle design, utilize the active force to hoodle of coil tension spring, make cutter head more firm with being connected of knife bar, prevent coming off of cutter head, had loading and unloading simultaneously flexibly and the advantage of long service life.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is explosive view of the present utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the enlarged drawing at B place among Fig. 3.
Among the figure: 1, cutter head; 2, knife bar; 3, handle; 4, cutter head jack; 5, embedding hole; 6, joint; 7, aperture; 8, coil tension spring; 9, hoodle.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the screwdriver of present embodiment, comprise cutter head 1, knife bar 2 and handle 3, knife bar 2 is fixed on the handle 3, and described knife bar 2 one ends offer cutter head jack 4, offer embedding hole 5 on the cutter head jack 4, described cutter head 1 is provided with joint 6, offer aperture 7 on the joint 6, be placed with coil tension spring 8 and hoodle 9 in the aperture 7 successively, cutter head 1 embeds embedding hole 5 with knife bar 2 by hoodle 9 and fixedlys connected.
Operation principle of the present utility model is: by the coil tension spring 8 on the cutter head 1 and hoodle 9 designs, utilize the active force to hoodle 9 of coil tension spring 8, when cutter head 1 is installed, joint 6 is inserted in the jack 4,8 pairs of hoodles 9 of coil tension spring have supporting role, make hoodle 9 firmly be mounted in the embedding hole 5, thereby make cutter head 1 more firm with being connected of knife bar 2, prevent coming off of cutter head 1, had loading and unloading simultaneously flexibly and the advantage of long service life.
Claims (1)
1. screwdriver, comprise cutter head (1), knife bar (2) and handle (3), knife bar (2) is fixed on the handle (3), it is characterized in that: described knife bar (2) one ends offer cutter head jack (4), offer embedding hole (5) on the cutter head jack (4), described cutter head (1) is provided with joint (6), offer aperture (7) on the joint (6), be placed with coil tension spring (8) and hoodle (9) in the aperture (7) successively, cutter head (1) embeds embedding hole (5) with knife bar (2) by hoodle (9) and fixedlys connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101462 CN203210278U (en) | 2013-03-06 | 2013-03-06 | Screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101462 CN203210278U (en) | 2013-03-06 | 2013-03-06 | Screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203210278U true CN203210278U (en) | 2013-09-25 |
Family
ID=49199850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320101462 Expired - Fee Related CN203210278U (en) | 2013-03-06 | 2013-03-06 | Screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203210278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160316A (en) * | 2017-07-06 | 2017-09-15 | 苏州市合叶精密机械有限公司 | A kind of multifunction magnetic bottle opener |
| CN114536279A (en) * | 2021-12-23 | 2022-05-27 | 李建刚 | Magnetic sleeve |
-
2013
- 2013-03-06 CN CN 201320101462 patent/CN203210278U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160316A (en) * | 2017-07-06 | 2017-09-15 | 苏州市合叶精密机械有限公司 | A kind of multifunction magnetic bottle opener |
| CN114536279A (en) * | 2021-12-23 | 2022-05-27 | 李建刚 | Magnetic sleeve |
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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: 20130925 Termination date: 20140306 |