CN208867071U - A kind of multifunctional screw driver - Google Patents
A kind of multifunctional screw driver Download PDFInfo
- Publication number
- CN208867071U CN208867071U CN201821606174.2U CN201821606174U CN208867071U CN 208867071 U CN208867071 U CN 208867071U CN 201821606174 U CN201821606174 U CN 201821606174U CN 208867071 U CN208867071 U CN 208867071U
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- steel ball
- leading portion
- cart
- installation passage
- abutment ring
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Abstract
A kind of multifunctional screw driver, includes knife handle and knife handle, and knife handle includes mandrel, and mandrel includes abutment ring in the middle part of mandrel and the leading portion and back segment that extend respectively along abutment ring axis direction two sides；Leading portion is in hollow cylinder structure, has the installation passage being located at leading portion axis；Leading portion is fixedly connected with protheca far from one end of abutment ring, and sliding sleeve is equipped with and helps pull a cart between protheca and abutment ring, helps pull a cart and is provided with elastic component between abutment ring, and resilient element urges are helped pull a cart to be moved towards protheca side；U-type groove is offered on the outside of leading portion, U-type groove is connected to installation passage, is rolled in U-type groove and is provided with steel ball, the limit hole offered for inlay card steel ball of helping pull a cart, protheca is extended with annular abutment plate towards abutment ring side, and steel ball is connected on annular abutment plate；Knife handle includes the shank being correspondingly arranged with installation passage, and steel ball is connected on shank, and the extension of screwdriver function is realized by clamping replaceable knife handle.
Description
Technical field
The utility model relates to Multi-function tool cutters, and in particular to a kind of multifunctional screw driver.
Background technique
Screwdriver is a kind of tool for twisting screw to force its in place, usually there is a thin sphenocephaly or cross
Forming head can be inserted into the line of rabbet joint or recess of screw cap.
Multifunctional screw driver on the market twists inhomogeneity based on the screwdriver bit on replaceable knife handle to meet user at present
The screw of type, different-diameter, but multifunctional screw driver in actual use, since the knife handle of multifunctional screw driver is long
Degree fixed setting, it will usually occur that knife handle is too long not to can enter narrow environmental work or knife handle is too short and lead to that depth cannot be screwed
Hole internal thread, there are improvements for the prior art.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of multifunctional screw driver, it is replaceable by clamping
The extension of knife handle realization screwdriver function.
In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of multifunctional screw driver, include knife handle and
Knife handle 4, the knife handle include mandrel, and the mandrel includes abutment ring in the middle part of the mandrel and respectively along described
The leading portion and back segment that abutment ring axis direction two sides extend；The leading portion is in hollow cylinder structure, has and is located at the leading portion axis
Installation passage at line；The leading portion is fixedly connected with protheca far from one end of abutment ring, the protheca and the abutment ring it
Between sliding sleeve be equipped with help pull a cart, described help pull a cart is provided with elastic component between the abutment ring, helps pull a cart described in the resilient element urges
It is moved towards the protheca side；U-type groove is offered on the outside of the leading portion, the U-type groove is connected to the installation passage,
It is rolled in the U-type groove and is provided with steel ball, the limit hole offered for steel ball described in inlay card of helping pull a cart, the protheca direction
The abutment ring side is extended with annular abutment plate, and the steel ball is connected on the annular abutment plate；The knife handle 4 includes
The shank being correspondingly arranged with the installation passage, the steel ball are connected on the shank.
The utility model is further arranged to: the annular abutment plate is elastic metal sheet, and the annular abutment plate is towards institute
It states installation passage side and squeezes the steel ball.
The utility model is further arranged to: the annular abutment plate is rigid metal plate, and the annular abutment plate is close
The side of the abutment ring is in be obliquely installed far from installation passage side, and the steel ball is abutted with annular abutment plate holding.
The utility model is further arranged to: the section of the installation passage is in inner polygon structure, the shank
Section is in the outer polygonized structure being oppositely arranged with the installation passage section.
The utility model is further arranged to: the section of the installation passage is in interior hexagonal structure, the shank
Section be in the installation passage section relative to outer hexagonal structure.
The utility model is further arranged to: clamping groove corresponding with the steel ball, institute are also provided on the shank
Steel ball is stated to be embedded in the clamping groove.
The utility model is further arranged to: there are two the U-type groove settings, is located at the two of the leading portion radial direction
Side.
The utility model is further arranged to: the side of the side helped pull a cart towards the abutment ring is extended with side wall,
The abutment ring is located in the side wall after the sliding of helping pull a cart.
The utility model is further arranged to: the elastic component is the spring that setting is set on the leading portion, the bullet
One end of spring is abutted with described help pull a cart, and the other end is abutted with the abutment ring.
In conclusion the utility model has the effect that
1, insertion knife handle and the function of clamping can be realized without helping pull a cart in convenient use；
2, multi-functional, hex tool, screwdriver bit, extension bar can be clamped respectively, and beat the knife handle of the wing；
3, it is switched fast, pulls the use for i.e. replaceable different knife handles of once helping pull a cart.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described.
Fig. 1 is a kind of overall structure diagram of multifunctional screw driver；
Fig. 2 is a kind of configuration schematic diagram of multifunctional screw driver；
Fig. 3 is a kind of schematic diagram of internal structure of multifunctional screw driver；
Fig. 4 is the interior schematic diagram of internal structure of screwdriver when regular polygon knife handle enters；
Fig. 5 is the interior schematic diagram of internal structure of screwdriver when regular polygon knife handle is extracted；
Fig. 6 is the schematic diagram of internal structure of extension bar knife handle clamp type screwdriver.
In figure: 1, mandrel；11, abutment ring；12, leading portion；121, installation passage；122, U-type groove；123, straight trough；13, after
Section；2, it helps pull a cart；21, limit hole；22, side wall；3, protheca；31, annular abutment plate；4, knife handle；41, shank；42, clamping groove；
5, spring；6, steel ball.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of multifunctional screw driver includes knife handle 4 and knife handle 4, and the knife handle 4 includes core
Axis 1, the mandrel 1 include positioned at the abutment ring 11 at 1 middle part of mandrel and respectively along 11 axis direction of abutment ring
The leading portion 12 that two sides extend and the back segment 13 for installing handle；The leading portion 12 is in hollow cylinder structure, is had described in being located at
Installation passage 121 at 12 axis of leading portion；The leading portion 12 is fixedly connected with protheca 3 far from one end of abutment ring 11, before described
Sliding sleeve is equipped with and helps pull a cart 2 between set 3 and the abutment ring 11, and described help pull a cart is provided with elastic component between 2 and the abutment ring 11,
Help pull a cart described in the resilient element urges 2 towards 3 side of protheca move；As shown in connection with fig. 3, it is opened on the outside of the leading portion 12
Equipped with U-type groove 122, the U-type groove 122 is connected to the installation passage 121, is rolled in the U-type groove 122 and is provided with steel ball 6,
Described help pull a cart 2 offers limit hole 21 for steel ball 6 described in inlay card, and the protheca 3 extends towards 11 side of abutment ring
There is annular abutment plate 31, the steel ball 6 is connected on the annular abutment plate 31；The knife handle 4 includes logical with the installation
The shank 41 that road 121 is correspondingly arranged, the steel ball 6 are connected on the shank 41.There are two the settings of U-type groove 122,
Be located at the radial two sides of the leading portion 12, it is corresponding, steel ball 6 be provided with the limit hole 21 helped pull a cart on 2 and U-type groove
122 are correspondingly arranged.2 side of side towards the abutment ring 11 of helping pull a cart is extended with side wall 22, after 2 slidings of helping pull a cart
The abutment ring 11 is located in the side wall 22.The elastic component is the spring 5 that setting is set on the leading portion 12, the bullet
One end of spring 52 is abutted with described help pull a cart, and the other end is abutted with the abutment ring 11.
In the present solution, leading portion 12 is also provided with the straight trough 123 extended along own axes direction, above-mentioned straight trough 123 and U-type groove
122 connections, make leading portion 12 have certain deformability, convenient for the installation and extraction of knife handle 4.
Embodiment 2:
In conjunction with shown in Fig. 2, Fig. 4 and Fig. 5, the section of the installation passage 121 is in inner polygon structure, the shank
41 section is in the outer polygonized structure being oppositely arranged with 121 section of installation passage.Preferably, the installation passage
121 section is in interior hexagonal structure, the section of the shank 41 be in 121 section of installation passage relative to outer six
Side shape structure.
Clamping groove 42 corresponding with the steel ball 6 is also provided on the shank 41 of outer hexagonal structure, the steel ball 6 is embedding
In the clamping groove 42.
Specific implementation process:
In installation passage 121 when the shank 41 of the outer hexagonal structure of interior insertion, steel ball is pushed to 122 back segment of U-type groove
13, deformation occurs increases steel ball for the annular abutment plate 31 of protheca 3, and drives 2 retrogressings of helping pull a cart；To shank 41 completely into peace
It fills in channel 121, spring 5 generates screen resilience, keeps steel ball common with spring 5 under the extruding of the annular abutment plate 31 of protheca 3
Shank 41 is clamped under effect.
It helps pull a cart under external force 2 backward mobile and compressed springs 5, to drive steel ball 6 to the back segment of U-type groove 122
13 slidings reduce steel ball 6 to the extruding force of knife handle 4, so that knife handle 4 be enable to be extracted when steel ball 6 is mobile.
Embodiment 3:
In conjunction with shown in Fig. 2 and Fig. 6, the section that the shank 41 of knife handle 4 is only overlapped with installation passage 121 is in outer hexagon knot
Structure, steel ball 6 abut the clamping for realizing knife handle 4 under the action of annular abutment plate 31 with shank 41.
Specific implementation process:
When the section that insertion is only overlapped with installation passage 121 in installation passage 121 is in the knife handle 4 of outer hexagonal structure,
Steel ball is pushed to 122 back segment 13 of U-type groove.3 deformation of protheca increases steel ball, and drives 2 retrogressings of helping pull a cart.Knife handle 4 is completely into peace
After filling channel 121, spring 5 generates screen resilience, makes steel ball under the extruding of protheca 3 and clamps knife handle under the collective effect of spring 5
4；
It helps pull a cart under external force and 2 moves compressed spring 5 backward, to drive back segment 13 of the steel ball 6 to U-type groove 122
Sliding reduces steel ball 6 to the extruding force of knife handle 4, so that knife handle 4 be enable to be extracted when steel ball 6 is mobile.
Embodiment 4:
In the present solution, the annular abutment plate 31 is elastic metal sheet, the annular abutment plate 31 is towards the installation passage
121 sides squeeze the steel ball 6.
Embodiment 5:
In the present solution, embodiment 5 is with the distinctive points of embodiment 4: the plate that abuts is rigid metal plate, the annular
It is in be obliquely installed far from 121 side of installation passage that plate 31, which is abutted, close to the side of the abutment ring 11, the steel ball 6 and the ring
Shape abuts plate 31 and keeps abutting.
It should be pointed out that for those of ordinary skill in the art, before not departing from the concept of the present invention
It puts, various modifications and improvements can be made, and these are all within the protection scope of the present invention.
Claims (10)
1. a kind of multifunctional screw driver includes knife handle (4) and knife handle (4) 4, which is characterized in that the knife handle (4) includes core
Axis (1), the mandrel (1) include abutment ring (11) in the middle part of the mandrel (1) and respectively along the abutment ring
(11) leading portion (12) and back segment (13) that axis direction two sides extend；The leading portion (12) is in hollow cylinder structure, has and is located at
Installation passage (121) at leading portion (12) axis；The leading portion (12) is fixedly connected with far from the one end of abutment ring (11)
Protheca (3), sliding sleeve is equipped with and helps pull a cart (2) between the protheca (3) and the abutment ring (11), and help pull a cart (2) are supported with described
Connect and be provided with elastic component between ring (11), help pull a cart described in the resilient element urges (2) towards the protheca (3) side move；Institute
It states and is offered on the outside of leading portion (12) U-type groove (122), the U-type groove (122) is connected to the installation passage (121), described
It rolls in U-type groove (122) and is provided with steel ball (6), help pull a cart (2) offer limit hole for steel ball described in inlay card (6)
(21), the protheca (3) is extended with annular abutment plate (31) towards the abutment ring (11) side, and the steel ball (6) is connected to
On the annular abutment plate (31)；The knife handle (4) 4 includes the shank being correspondingly arranged with the installation passage (121)
(41), the steel ball (6) is connected on the shank (41).
2. a kind of multifunctional screw driver according to claim 1, which is characterized in that the annular abutment plate (31) is elasticity
Metal plate, the annular abutment plate (31) squeeze the steel ball (6) towards the installation passage (121) side.
3. a kind of multifunctional screw driver according to claim 1, which is characterized in that the annular abutment plate (31) is rigidity
Metal plate, the annular abutment plate (31) are in tilt far from installation passage (121) side close to the side of the abutment ring (11)
Setting, the steel ball (6) keep abutting with the annular abutment plate (31).
4. a kind of multifunctional screw driver according to claim 2 or 3, which is characterized in that the installation passage (121) is cut
Face is in inner polygon structure, and the section of the shank (41) is outer more in being oppositely arranged with the installation passage (121) section
Side shape structure.
5. a kind of multifunctional screw driver according to claim 4, which is characterized in that the section of the installation passage (121)
In interior hexagonal structure, the section of the shank (41) be in the installation passage (121) section relative to outer hexagon
Structure.
6. a kind of multifunctional screw driver according to claim 4, which is characterized in that be also provided on the shank (41)
Clamping groove (42) corresponding with the steel ball (6), the steel ball (6) are embedded in the clamping groove (42).
7. a kind of multifunctional screw driver according to claim 1 or 2 or 3, which is characterized in that U-type groove (122) setting
There are two, it is located at the two sides of the leading portion (12) radial direction.
8. a kind of multifunctional screw driver according to claim 1 or 2 or 3, which is characterized in that the side for helping pull a cart (2)
It is extended with side wall (22) towards the side of the abutment ring (11), the abutment ring (11) is located at institute after described (2) sliding of helping pull a cart
It states in side wall (22).
9. a kind of multifunctional screw driver according to claim 8, which is characterized in that the elastic component is set in institute for setting
The spring (5) on leading portion (12) is stated, one end of the spring (5) is abutted with help pull a cart (2), the other end and the abutment ring
(11) it abuts.
10. a kind of multifunctional screw driver according to claim 7, which is characterized in that the leading portion (12) is along own axes
Direction offers straight trough (123), and the straight trough (123) is connected to the U-type groove (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606174.2U CN208867071U (en) | 2018-09-29 | 2018-09-29 | A kind of multifunctional screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606174.2U CN208867071U (en) | 2018-09-29 | 2018-09-29 | A kind of multifunctional screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208867071U true CN208867071U (en) | 2019-05-17 |
Family
ID=66469369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821606174.2U Active CN208867071U (en) | 2018-09-29 | 2018-09-29 | A kind of multifunctional screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208867071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603457A (en) * | 2020-12-29 | 2021-04-06 | 北京市春立正达医疗器械股份有限公司 | Femoral head extractor |
-
2018
- 2018-09-29 CN CN201821606174.2U patent/CN208867071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603457A (en) * | 2020-12-29 | 2021-04-06 | 北京市春立正达医疗器械股份有限公司 | Femoral head extractor |
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