CN209380626U - A kind of ratchet-type self-tapping screw knife - Google Patents
A kind of ratchet-type self-tapping screw knife Download PDFInfo
- Publication number
- CN209380626U CN209380626U CN201920017449.7U CN201920017449U CN209380626U CN 209380626 U CN209380626 U CN 209380626U CN 201920017449 U CN201920017449 U CN 201920017449U CN 209380626 U CN209380626 U CN 209380626U
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- China
- Prior art keywords
- ratchet
- lever
- blade
- storage box
- sliding axle
- Prior art date
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Abstract
The utility model provides a kind of ratchet-type self-tapping screw knife, comprising: broach shell, driver bit, pushing ram;The cylindrical structure of broach shell, and the inside of broach shell is equipped with driver bit;The right side of broach shell is arranged in the pushing ram, and sliding axle is connected on the right side of pushing ram;The right side of sliding axle is arranged in the blade, and blade is connected with sliding axle by fitting mode;The right side of blade is arranged in the lever, and states lever and be connected with blade by connection bolt and combined type acorn nut;The inside of lever is arranged in the cutter head storage box, and cutter head storage box is connected with lever by fitting mode;The rear side of storage box is arranged in the lever lid, and lever lid is an integral structure with storage box;The improvement to existing apparatus is crossed, the advantages of which has compact, using time saving and energy saving, easy to repair and carry, long service life, thus the problem of effective solution existing apparatus and deficiency.
Description
Technical field
The utility model relates to driver technology fields, more specifically, more particularly to a kind of ratchet-type self-tapping screw knife.
Background technique
Screwdriver is a kind of apparatus for being commonly used in fixed screw, the production of machine and mechanization components in China
In repairing, the accuracy of assembling directly determines the service life and efficiency to machine, and a good screwdriver plays key
Effect;But existing screwdriver has the following deficiencies:
Screwdriver currently on the market mainly has hand and DYN dynamic screwdriver, the former cutter head structure or a word or
Cross or other shapes, need torsion of the people on arm when in use, prolonged to continue to reach the tightening of nut
Work causes the arm of people to be ached;The latter is the screwdriver of similar small-sized electric drill formula, is easily damaged when being stuck and has electric leakage to endanger
Danger, is restricted by using, and no electric power place is not available, and when outwork is inconvenient to carry.
In view of this, being studied improvement for existing problem, a kind of ratchet-type self-tapping screw knife is provided, it is intended to pass through
The technology achievees the purpose that solve the problems, such as and improves practical value.
Utility model content
The purpose of this utility model is to provide a kind of ratchet-type self-tapping screw knives, to solve to propose in above-mentioned background technique
Hand screwdriver take time and effort to install and electric screw driver is not available in without electric situation and asking there are danger of hazardous electrical discharges
Topic and deficiency.
To achieve the above object, the utility model provides a kind of ratchet-type self-tapping screw knife, by technology hand in detail below
Section is reached:
A kind of ratchet-type self-tapping screw knife, comprising: broach shell, driver bit, pushing ram, sliding axle, blade, lever, connection
Bolt, combined type acorn nut, cutter head storage box, lever lid, multimodal driver bit, the first deep groove ball bearing, ratchet, ratchet return
Only head, compressed spring, the second deep groove ball bearing, spring, screw rod, third deep groove ball bearing;The cylindrical structure of broach shell,
And the inside of broach shell is equipped with driver bit;The right side of broach shell is arranged in the pushing ram, and cunning is connected on the right side of pushing ram
Moving axis;The right side of sliding axle is arranged in the blade, and blade is connected with sliding axle by fitting mode;The lever setting
On the right side of blade, and states lever and be connected with blade by connection bolt and combined type acorn nut;The cutter head storage box
The inside of lever is set, and cutter head storage box is connected with lever by fitting mode;The lever lid is arranged in storage box
Rear side, and lever lid is an integral structure with storage box;The multimodal driver bit is located in storage box;First zanjon
Ball bearing is arranged in inside the right end of sliding axle;The right side of the first deep groove ball bearing is arranged in the ratchet;The ratchet returns only
The circumference of ratchet is arranged in head, and ratchet returns only head and is fixed on the inner wall of sliding axle by compressed spring;Second zanjon
The right side of ratchet is arranged in ball bearing;The right side of the second deep groove ball bearing is arranged in the spring;The screw rod is arranged in bullet
The middle part of spring, and the right end of screw rod is connected with third deep groove ball bearing.
As advanced optimizing for the technical program, a kind of ratchet-type self-tapping screw knife of the utility model, in the ratchet
Portion is provided with helicla flute at one, and the helicla flute of ratchet is run through in the front end of screw rod.
As advanced optimizing for the technical program, a kind of ratchet-type self-tapping screw knife of the utility model, the storage box
Cylindrical structure, and the circumference of storage box is provided with strip groove at N.
As advanced optimizing for the technical program, a kind of ratchet-type self-tapping screw knife of the utility model, the blade with
Lever is connected by connection bolt with combined type acorn nut, and blade and lever form Demountable.
As advanced optimizing for the technical program, a kind of ratchet-type self-tapping screw knife of the utility model, the sliding axle
It is to be flexibly connected with blade, sliding axle can be along blade to being moved inside it as reciprocating linear.
As advanced optimizing for the technical program, a kind of ratchet-type self-tapping screw knife of the utility model, described first is deep
Ditch ball bearing, ratchet, ratchet return only head and compressed spring and are installed in inside sliding axle, the second deep groove ball bearing, spring, spiral
Bar, third deep groove ball bearing are installed in inside blade.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, a kind of ratchet-type self-tapping screw knife of the utility model is cooperated by setting ratchet and screw rod with band moving knife
Head carries out screw tightening work, and it is easy to use, time saving and energy saving to have the advantages that.
2, a kind of ratchet-type self-tapping screw knife of the utility model by the way that cutter head storage box is arranged in the inside of lever, receive by cutter head
Multimodal driver bit is placed with inside case, so that the device is suitble to a variety of different type screws, screw to tighten, the scope of application
Extensively.
3, a kind of ratchet-type self-tapping screw knife of the utility model, which passes through, is sliding driving and the component concentrated setting resetted
The inside of axis and blade, so that the device has compact, it is light-weight, it is convenient for carrying, work efficiency is high, and is convenient for changing
With maintenance.
4, a kind of ratchet-type self-tapping screw knife integral material of the utility model by various steel alloy and engineering plastics production and
At with good intensity and toughness, long working life processes simple and abundant raw material.
5, the utility model is by the improvement to existing apparatus, has compact, using time saving and energy saving, it is easy to repair and
Carry, the advantages of long service life, thus the problem of effective solution the utility model proposes in background technique one with
It is insufficient.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the schematic view of the front view of the utility model;
Fig. 2 is the schematic view of the front view of the utility model;
Fig. 3 is the partial structural diagram of the utility model;
Fig. 4 is the partial structural diagram of the utility model;
Fig. 5 is the partial structural diagram of the utility model;
In figure: broach shell 1, driver bit 2, pushing ram 3, sliding axle 4, blade 5, lever 6, connection bolt 7, combined cover shape
Nut 8, cutter head storage box 9, lever lid 10, multimodal driver bit 11, the first deep groove ball bearing 12, ratchet 13, ratchet return only head
14, compressed spring 15, the second deep groove ball bearing 16, spring 17, screw rod 18, third deep groove ball bearing 19.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a;The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 4, the utility model provides a kind of particular technique embodiment of ratchet-type self-tapping screw knife:
A kind of ratchet-type self-tapping screw knife, comprising: broach shell 1, driver bit 2, pushing ram 3, sliding axle 4, blade 5, lever
6, bolt 7, combined type acorn nut 8, cutter head storage box 9, lever lid 10, multimodal driver bit 11, the first deep-groove ball axis are connected
Hold 12, ratchet 13, ratchet returns only head 14, compressed spring 15, the second deep groove ball bearing 16, spring 17, screw rod 18, third zanjon
Ball bearing 19;The cylindrical structure of broach shell 1, and the inside of broach shell 1 is equipped with driver bit 2;Broach shell 1 is arranged in pushing ram 3
Right side, and the right side of pushing ram 3 is connected with sliding axle 4;The right side of sliding axle 4 is arranged in blade 5, and blade 5 and sliding axle 4 are logical
Fitting mode is crossed to be connected;The right side of blade 5 is arranged in lever 6, and states lever 6 and blade 5 and pass through connection bolt 7 and combined type
Acorn nut 8 is connected;The inside of lever 6 is arranged in cutter head storage box 9, and cutter head storage box 9 and lever 6 pass through fitting mode
It is connected;The rear side of storage box 9 is arranged in lever lid 10, and lever lid 10 is an integral structure with storage box 9;Multimodal screwdriver
First 11 are located in storage box 9;First deep groove ball bearing 12 is arranged in inside the right end of sliding axle 4;The setting of ratchet 13 is deep first
The right side of ditch ball bearing 12;Ratchet returns the circumference that ratchet 13 is arranged in only head 14, and ratchet returns only head 14 and passes through compressed spring 15
It is fixed on the inner wall of sliding axle 4;The right side of ratchet 13 is arranged in second deep groove ball bearing 16;Spring 17 is arranged in the second zanjon
The right side of ball bearing 16;The middle part of spring 17 is arranged in screw rod 18, and the right end of screw rod 18 is connected with third deep-groove ball axis
Hold 19.
Specifically, being provided with helicla flute at one in the middle part of ratchet 13, and the spiral of ratchet 13 is run through in the front end of screw rod 18
Slot, screw rod 18 drives ratchet 13 and sliding axle 4 to be rotated by helicla flute, to complete the rotary motion of driver bit 2.
Specifically, the cylindrical structure of storage box 9, and the circumference of storage box 9 is provided with strip groove at N, uses in groove
In the multimodal driver bit 11 of placement.
Specifically, blade 5 is connected by connection bolt 7 with combined type acorn nut 8 with lever 6, blade 5 and lever 6
Form Demountable, adjusting easy to disassemble.
Specifically, sliding axle 4 and blade 5 are to be flexibly connected, sliding axle 4 can along blade 5 to its inside make reciprocating linear shifting
It is dynamic.
Specifically, the first deep groove ball bearing 12, ratchet 13, ratchet, which return only head 14 and compressed spring 15, is installed in sliding axle
Inside 4, the second deep groove ball bearing 16, spring 17, screw rod 18, third deep groove ball bearing 19 are installed in inside blade 5.
Specific implementation step:
When using the device, required driver bit 2 is chosen in the multimodal driver bit 11 first in cutter head storage box 9
Installation is as in broach shell 1, and then rotation lever 6 and blade 5 are at suitable angle, when arm applies one along 2 direction of driver bit
When a axial thrust, sliding axle 4 is under pressure to 5 contract of blade, at the same screw rod 18 by ratchet 13 drive broach shell 1,
Driver bit 2, pushing ram 3, sliding axle 4 are rotated, and driver bit 2 fastens screw, and the spring 17 inside blade 5 is pressed
Contracting, when cancelling thrust of the arm to screwdriver, spring 17 resets, and the ratchet 13 being fixed on inside sliding axle 4 is pushed to carry out folk prescription
To rotation, and 4 other parts of sliding axle do not rotate, and sliding axle 4 is completed to reset, and circuit sequentially, thus by screw tightening;Activity
Formula lever 6 can convert angle at any time, and operation is facilitated also to be convenient for carrying, screwdriver knife, and the deep groove ball bearing inside 5 plays positioning
With the purpose of precision rotation, the deviation of sliding axle running track, Lai Tigao working efficiency are prevented.
In summary: a kind of ratchet-type self-tapping screw knife is cooperated by setting ratchet and screw rod with band moving knife
Head carries out screw tightening work, and it is easy to use, time saving and energy saving to have the advantages that;It is stored by the way that cutter head is arranged in the inside of lever
Box is placed with multimodal driver bit inside cutter head storage box, so that the device is suitble to a variety of different type screws, screw to twist
Tightly, applied widely;By the component concentrated setting that will drive and reset in the inside of sliding axle and blade, so that the device has
There is compact, it is light-weight, it is convenient for carrying, work efficiency is high, and is convenient for changing and repairs;The screwdriver integral material is by each
Formula steel alloy and engineering plastics are made, and have good intensity and toughness, long working life, processing is simple and raw material is rich
Richness, solves that existing hand screwdriver takes time and effort to install and electric screw driver is not available and exists in without electric situation
The problem of danger of hazardous electrical discharges.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of ratchet-type self-tapping screw knife, comprising: broach shell (1), driver bit (2), pushing ram (3), sliding axle (4), blade
(5), lever (6), connection bolt (7), combined type acorn nut (8), cutter head storage box (9), lever lid (10), multimodal screwdriver
Head (11), the first deep groove ball bearing (12), ratchet (13), ratchet return only head (14), compressed spring (15), the second deep groove ball bearing
(16), spring (17), screw rod (18), third deep groove ball bearing (19);It is characterized by: the cylindrical knot of the broach shell (1)
Structure, and the inside of broach shell (1) is equipped with driver bit (2);The pushing ram (3) is arranged on the right side of broach shell (1), and pushing ram
(3) sliding axle (4) are connected on the right side of;The blade (5) is arranged on the right side of sliding axle (4), and blade (5) and sliding axle
(4) it is connected by fitting mode;The lever (6) is arranged on the right side of blade (5), and states lever (6) and pass through with blade (5)
Connection bolt (7) and combined type acorn nut (8) are connected;The cutter head storage box (9) is arranged in the inside of lever (6), and
Cutter head storage box (9) is connected with lever (6) by fitting mode;The rear side in storage box (9) is arranged in the lever lid (10),
And lever lid (10) is an integral structure with storage box (9);The multimodal driver bit (11) is located in storage box (9);It is described
First deep groove ball bearing (12) is arranged inside the right end of sliding axle (4);The ratchet (13) is arranged in the first deep groove ball bearing
(12) right side;The ratchet returns only head (14) setting in the circumference of ratchet (13), and ratchet returns and only head (14) passes through compression bullet
Spring (15) is fixed on the inner wall of sliding axle (4);Right side of second deep groove ball bearing (16) setting in ratchet (13);It is described
Spring (17) is arranged on the right side of the second deep groove ball bearing (16);The screw rod (18) is arranged at the middle part of spring (17), and
The right end of screw rod (18) is connected with third deep groove ball bearing (19).
2. a kind of ratchet-type self-tapping screw knife according to claim 1, it is characterised in that: setting in the middle part of the ratchet (13)
There is helicla flute at one, and the helicla flute of ratchet (13) is run through in the front end of screw rod (18).
3. a kind of ratchet-type self-tapping screw knife according to claim 1, it is characterised in that: the storage box (9) is in cylinder
Shape structure, and the circumference of storage box (9) is provided with strip groove at N.
4. a kind of ratchet-type self-tapping screw knife according to claim 1, it is characterised in that: the blade (5) and lever (6)
It is connected by connection bolt (7) with combined type acorn nut (8), blade (5) and lever (6) form Demountable.
5. a kind of ratchet-type self-tapping screw knife according to claim 1, it is characterised in that: the sliding axle (4) and blade
(5) to be flexibly connected, sliding axle (4) can be mobile to reciprocating linear is made inside it along blade (5).
6. a kind of ratchet-type self-tapping screw knife according to claim 1, it is characterised in that: first deep groove ball bearing
(12), ratchet (13), ratchet return only head (14) and compressed spring (15) and are installed in sliding axle (4) inside, the second deep-groove ball axis
Hold that (16), spring (17), that screw rod (18), third deep groove ball bearing (19) are installed in blade (5) is internal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920017449.7U CN209380626U (en) | 2019-01-07 | 2019-01-07 | A kind of ratchet-type self-tapping screw knife |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920017449.7U CN209380626U (en) | 2019-01-07 | 2019-01-07 | A kind of ratchet-type self-tapping screw knife |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209380626U true CN209380626U (en) | 2019-09-13 |
Family
ID=67863757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920017449.7U Expired - Fee Related CN209380626U (en) | 2019-01-07 | 2019-01-07 | A kind of ratchet-type self-tapping screw knife |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209380626U (en) |
-
2019
- 2019-01-07 CN CN201920017449.7U patent/CN209380626U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20200107 |
|
CF01 | Termination of patent right due to non-payment of annual fee |