CN206306035U - A kind of screwdriver chuck fast replacing device - Google Patents
A kind of screwdriver chuck fast replacing device Download PDFInfo
- Publication number
- CN206306035U CN206306035U CN201621218848.2U CN201621218848U CN206306035U CN 206306035 U CN206306035 U CN 206306035U CN 201621218848 U CN201621218848 U CN 201621218848U CN 206306035 U CN206306035 U CN 206306035U
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- screwdriver bit
- folder hole
- elastic component
- line shaft
- screwdriver
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Abstract
A kind of screwdriver chuck fast replacing device that the utility model is provided, line shaft is provided with folder hole, collet sleeve is also arranged with line shaft, screwdriver bit is plugged in folder hole screwdriver bit is positioned by steel ball, the apical axis for ejecting screwdriver bit is additionally provided with folder hole, the first elastic component is provided between apical axis and folder hole to eject screwdriver bit, the second elastic component is provided between collet sleeve and line shaft to coordinate steel ball that screwdriver bit is locked or unclamped；The technical scheme substantially increases the replacing efficiency of screwdriver bit, and screwdriver bit replacement operation is very convenient, during normality, steel ball is released folder hole by apical axis in the presence of the first elastic component, apical axis is return after screwdriver bit insertion folder hole, groove fit on steel ball and screwdriver bit, collet sleeve moves in the presence of the second elastic component and steel ball is carried out spacing, and screwdriver bit is to be locked；When changing screwdriver bit, the active force movable chuck set of the second elastic component, the first resilient element urges apical axis is overcome to eject screwdriver bit, steel ball returns to original state, is that the assembling of next screwdriver bit is prepared.
Description
Technical field
The utility model is related to screwdriver accessory, more particularly to a kind of screwdriver chuck fast replacing device.
Background technology
Screwdriver is a kind of electric tool industry such as be usually used in fitting up, repair, and is mainly used in beating and takes various screws.It is different
Screw will change different screwdriver bits, traditional chuck fast replacing device causes certain inconvenience to user.Screwdriver bit is changed not
Conveniently drastically influence the experience of screwdriver.
Screwdriver chuck fast replacing device unreasonable structure of the prior art, causes screwdriver bit to change efficiency low.Finishing or
During maintenance, the replacing efficiency of screwdriver bit affects finishing or maintenance efficiency to a certain extent, to improve finishing or maintenance efficiency, should
Shorten the replacing construction of screwdriver bit as far as possible.
The content of the invention
A kind of screwdriver chuck fast replacing device that the utility model is provided, it is intended to overcome screwdriver chuck of the prior art
The inconvenient deficiency of replacement operation.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：A kind of screwdriver chuck changes the outfit soon
Put, including line shaft, screwdriver bit is installed on the line shaft, it is provided with installation batch along the axis direction of line shaft on the line shaft
The folder hole of head, the line shaft is provided with the steel ball of locking screwdriver bit, and being offered on the line shaft allows steel ball to enter or move back
Go out the through hole of folder hole, the screwdriver bit is provided with the groove coordinated with steel ball, collet sleeve, the chuck are arranged with the line shaft
The annular groove for being provided with and steel ball being accommodated when steel ball exits folder hole is put, is additionally provided with what can be moved along folder hole axis direction in the folder hole
Apical axis, is provided with the first elastic component for promoting apical axis movement in the folder hole, being provided between the collet sleeve and line shaft makes chuck
Cover the second elastic component moved along folder hole axis direction.
A kind of optional scheme, the steel ball has two, and two axisymmetricals of the steel ball on folder hole, the groove
It is loop configuration.Two steel balls can be positioned preferably to screwdriver bit, and screwdriver bit uniform force.Groove is cyclic structure,
Screwdriver bit need not limit the installation position of screwdriver bit when installing, screwdriver bit is easily installed.
A kind of optional scheme, integral type is provided with limited block on the apical axis, is provided with the folder hole and coordinated with limited block
To limit the step of apical axis extreme position.Apical axis is carried out by step spacing, the first elastomer need not be fixed with apical axis, letter
Change the structure of fast replacing device, reduce the manufacturing cost of fast replacing device.
A kind of optional scheme, offers the gathering sill being oriented to the first elastic component, the folder on the limited block
The lead column being oriented to the first elastic component is provided with along the axis direction of folder hole on hole.The setting of gathering sill and lead column is caused
First elastomer is not allowed flexible in deformation process, extends the service life of the first elastic component.
A kind of optional scheme, the collet sleeve is provided with the holding tank for accommodating the second elastic component, second elastic component
It is set on line shaft, the line shaft is provided with the pad positioned to the second elastic component, is additionally provided with the line shaft
The jump ring positioned to pad, the pad is located between the second elastic component and jump ring, and the line shaft is provided with receiving card
The fitting recess of spring.Second elastic component is set on line shaft, and the second elastic component is not allowed flexible in deformation process, extends
The service life of two elastic components.The second elastic component is positioned using pad and jump ring, simplifies the structure of fast replacing device.
A kind of optional scheme, the screwdriver bit includes the torque transfer part of transmitting torque, and the folder hole includes being passed with moment of torsion
The power part for passing portion's cooperation and the receiving portion for accommodating apical axis, the diameter of the inscribed circle diameter less than receiving portion of the power part, institute
Step is stated to be formed with the transition structure of power part by receiving portion.Step is formed by receiving portion with the transition structure of power part, is simplified
The structure of fast replacing device.
A kind of optional scheme, first elastic component and the second elastic component are spring.Reduce the system of fast replacing device
Cause this.
A kind of optional scheme, the lateral wall of the collet sleeve is provided with the decorative pattern of increase collet sleeve coefficient of friction.Chuck
It is not easy to skid when being enclosed within operation, optimizes the experience of fast replacing device.
A kind of optional scheme, the line shaft is provided with is easy to screwdriver bit to insert the chamfering in folder hole.Screwdriver bit is facilitated insertion into
In folder hole, the replacing efficiency of screwdriver bit is improve.
A kind of optional scheme, the diameter of the apical axis is equal to the inscribed circle diameter of torque transfer part.Screwdriver bit is by apical axis
During ejection, screwdriver bit uniform force is not easy stuck in folder hole, optimizes the performance of fast replacing device.
Compared with prior art, a kind of screwdriver chuck fast replacing device that the utility model is provided, has the following advantages that：It is dynamic
Power axle is provided with folder hole, and collet sleeve is also arranged with line shaft, and screwdriver bit is plugged in folder hole screwdriver bit is positioned by steel ball,
The apical axis for ejecting screwdriver bit is additionally provided with folder hole, the first elastic component is provided between apical axis and folder hole to eject screwdriver bit, in chuck
The second elastic component is provided between set and line shaft to coordinate steel ball that screwdriver bit is locked or unclamped；The technical scheme is substantially increased to be criticized
The replacing efficiency of head, and screwdriver bit replacement operation is very convenient, and during normality, apical axis pushes away steel ball in the presence of the first elastic component
Go out folder hole, active force applied to apical axis after screwdriver bit insertion folder hole, return apical axis, now the groove fit on steel ball and screwdriver bit,
Collet sleeve moves in the presence of the second elastic component and steel ball is carried out spacing, and screwdriver bit is to be locked；When changing screwdriver bit, the is overcome
The active force movable chuck set of two elastic components, now, the first resilient element urges apical axis ejects screwdriver bit, and steel ball returns to initial shape
State, is that the assembling of next screwdriver bit is prepared.Change on screwdriver bit, operating personnel's one-hand operation is easy to operate.
Brief description of the drawings
Accompanying drawing 1 is a kind of explosive view of screwdriver chuck fast replacing device of the utility model；
Sectional view when accompanying drawing 2 is a kind of screwdriver chuck fast replacing device of the utility model unassembled screwdriver bit；
Accompanying drawing 3 is the sectional view after a kind of screwdriver chuck fast replacing device assembling screwdriver bit of the utility model；
Accompanying drawing 4 is a kind of sectional view of screwdriver chuck fast replacing device embodiment two of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, a kind of screwdriver chuck fast replacing device of the present utility model is described further.Following reality
Apply example to be only used for helping those skilled in the art to be better understood from the utility model, be not to limitation of the present utility model.
Screwdriver is the instrument of assembling or removable screw, generally by motor-driven.By taking electric screwdriver as an example, motor
Drive the line shaft 1 of screwdriver to rotate, screwdriver bit 2 is equipped with line shaft 1.Screw has plurality of specifications, therefore, using
In be frequently necessary to change different size screwdriver bit 2 with the assembly features on attachment screw.Especially in maintenance process, due to spiral shell
The specification of nail is very various, and now, the replacing efficiency of screwdriver bit 2 will affect maintenance efficiency.Therefore, should try one's best and shorten screwdriver bit 2
Replacing construction, to improve maintenance efficiency.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of screwdriver chuck fast replacing device, including line shaft 1, the line shaft 1 can be by
Motor-driven is rotated, and screwdriver bit 2 is provided with the line shaft 1, and screwdriver bit 2 is the structure coordinated with assembly features on screw, institute
State on line shaft 1 along the axis direction of line shaft 1 be provided with install screwdriver bit 2 folder hole 3, screwdriver bit 2 be arranged on folder hole 3 in, folder hole 3 with
The fit system of screwdriver bit 2 should ensure that line shaft 1 can impart power to screwdriver bit 2, i.e. line shaft 1 and screwdriver bit 2 should be driven to rotate together,
To realize the assembling or dismounting of screw；
As shown in Figure 1, Figure 2, Figure 3 shows, the line shaft 1 is provided with the steel ball 4 of locking screwdriver bit 2, is opened up on the line shaft 1
There is the through hole 5 for alloing steel ball 4 to enter or exit folder hole 3, the screwdriver bit 2 is provided with the groove 6 coordinated with steel ball 4, steel ball 4
A part is stretched into locks in groove 6 with to screwdriver bit 2, and the steel ball 4 has two, and two axles of the steel ball 4 on folder hole 3
Line is symmetrical, and two steel balls 4 are positioned to screwdriver bit 2, and the positioning intensity of screwdriver bit 2 is high and uniform force, and the groove 6 is ring junction
Structure, namely, groove 6 is looped around on screwdriver bit 2, and the groove 6 of this structure causes that screwdriver bit 2 need not when being assembled with folder hole 3
Screwdriver bit 2 is assembled at a particular angle, improves the efficiency of assembling of screwdriver bit 2；
As shown in Figure 1, Figure 2, Figure 3 shows, the apical axis 9 that can be moved along the axis direction of folder hole 3, apical axis 9 are additionally provided with the folder hole 3
Effect be take out screwdriver bit 2 when, for screwdriver bit 2 to be ejected, be additionally provided between the bottom wall of apical axis 9 and folder hole 3 first elasticity
Part 10, after screwdriver bit 2 is released, ejects screwdriver bit 2 in the presence of the first elastic component 10, and apical axis 9 plays the work of ejection screwdriver bit 2
With, to avoid the shift motion of apical axis 9 long, cause apical axis 9 to be skidded off from folder hole 3, the stroke of apical axis 9 should be limited；
As shown in Figure 1, Figure 2, Figure 3 shows, integral type is provided with limited block 12 on the apical axis 9, be provided with the folder hole 3 with it is spacing
Block 12 coordinates to limit the step 13 of the extreme position of apical axis 9；Offered on the limited block 12 and first elastic component 10 is led
To gathering sill 14, the lead column being oriented to the first elastic component 10 is provided with along the axis direction of folder hole 3 on the folder hole 3
15,
As shown in Figure 2 and Figure 3, moving axis power axle can be set to hollow-core construction to make apical axis 9 be easy to assembling in design, is moved
The inner chamber of power axle 1 forms folder hole 3, and the bottom wall of folder hole 3 can be formed by the feature being assemblied in the inner chamber of line shaft 1, such as in line shaft 1
Inner chamber screw-internal thread fit have cylinder, after the cylinder is assemblied in the inner chamber of line shaft 1, an end face of cylinder is
The bottom wall of folder hole 3 is formed, lead column 15 is arranged on the bottom wall of folder hole 3, for ease of the assembling of screwdriver bit 2, in the end face of line shaft 1
Transition position with folder hole 3 can also set chamfering 24；
As shown in Figure 1, Figure 2, Figure 3 shows, after screwdriver bit 2 is assemblied on moving axis axle, screwdriver bit 2 rotates with line shaft 1, the screwdriver bit
2 torque transfer parts 20 for including transmitting torque, the shape of cross section of torque transfer part 20 can be polygon, and the folder hole 3 is wrapped
Include the power part 21 coordinated with torque transfer part 20 and the receiving portion 22 for accommodating apical axis 9, the inscribed circle diameter of the power part 21
Less than the diameter of receiving portion 22, the step 13 is formed by receiving portion 22 with the transition structure of power part 21, the apical axis 9 it is straight
Footpath is equal to the inscribed circle diameter of torque transfer part 20, and apical axis 9 is big with the contact area of screwdriver bit 2, the uniform force of screwdriver bit 2, it is not easy to block
Extremely in folder hole 3；
As shown in Figure 1, Figure 2, Figure 3 shows, collet sleeve 7 is arranged with the line shaft 1, the collet sleeve 7 is provided with steel ball 4
Accommodate the annular groove 8 of steel ball 4 when exiting folder hole 3, it refers to that steel ball 4 stretches into the part of folder hole 3 and returns that steel ball 4 exits folder hole 3, this
When, screwdriver bit 2 can be easily removed, and the lateral wall of the collet sleeve 7 is provided with the decorative pattern 23 of the increase coefficient of friction of collet sleeve 7,
When assembling or removing screwdriver bit 2, it is necessary to collet sleeve 7 is moved, when the setting of decorative pattern 23 causes that operating personnel operates collet sleeve 7 to move
It is not easy to skid；
As shown in Figure 1, Figure 2, Figure 3 shows, being provided between the collet sleeve 7 and line shaft 1 makes collet sleeve 7 along the axis side of folder hole 3
To the second mobile elastic component 11, the collet sleeve 7 is provided with the holding tank 16 for accommodating the second elastic component 11, second elasticity
Part 11 is set on line shaft 1, and the line shaft 1 is provided with the pad 17 positioned to the second elastic component 11, the power
The jump ring 18 positioned to pad 17 is additionally provided with axle 1, the pad 17 is located between the second elastic component 11 and jump ring 18, institute
State line shaft 1 and be provided with the fitting recess 19 for accommodating jump ring 18.
As shown in Figure 2 and Figure 3, the operation principle of above-mentioned technical proposal is that when without assembling screwdriver bit 2, apical axis 9 is first
Steel ball 4 is set to exit folder hole 3 in the presence of elastic component 10, now, collet sleeve 7 utilizes annular groove 8 in the presence of the second elastic component 11
Side wall steel ball 4 is carried out spacing, to avoid steel ball 4 from completely disengaging from through hole 5, during assembling screwdriver bit 2, the moment of torsion of screwdriver bit 2 is transmitted
In the power part 21 of the insertion of portion 20 folder hole 3, screwdriver bit 2 overcomes the elastic force of the first elastic component 10 to move, until screwdriver bit 2 is assembled in place
Afterwards, collet sleeve 7 is moved in the presence of the second elastic component 11, and steel ball 4 is clamp-oned in folder hole 3, and steel ball 4 coordinates to criticizing with groove 6
First 2 are locked, and in the presence of the second elastic component 11, collet sleeve 7 will not automatically reset, and complete the assembling of screwdriver bit 2；Take out and criticize
When first 2, operating personnel overcomes the active force of the second elastic component 11, movable chuck set 7, and now steel ball 4 can move freely, the
In the presence of one elastic component 10, apical axis 9 ejects screwdriver bit 2, and now, steel ball 4 promotes movement by apical axis 9, to return to do not assemble and criticizes
State when first 2, is that the installation of next screwdriver bit 2 is prepared.The program substantially reduces the replacing construction of screwdriver bit 2.
The first elastic component 10 and the second elastic component 11 in the present embodiment are spring.First elastic component 10 and the second elasticity
Part 11 can also can produce elastically-deformable structure to replace using other.
Embodiment two
As shown in figure 4, the present embodiment and the set-up mode that the difference of embodiment one is the second elastic component 11, implement
The second elastic component 11 in example one is set on line shaft 1, and multiple second elastic components 11 are used in the present embodiment, also, all
Second elastic component 11 is distributed on the circumference of line shaft 1, and the set-up mode can also reach the technique effect in embodiment one, this
The second elastic component 11 is still positioned by pad 17 and jump ring 18 in embodiment.
A part of embodiment of the present utility model is described above in association with accompanying drawing, those skilled in the art are reading
After this specification, other embodiments or accompanying drawing can also be drawn based on the technical solution of the utility model, but these embodiments or
Accompanying drawing should be in protection domain of the present utility model.
Such as, the returns state in such scheme to steel ball 4 is described with reference to the drawings, in accompanying drawing 2, accompanying drawing 3, steel
State after ball 4 is return is steel ball 4 tangent with the side wall of folder hole 3, but in actual design, locking is played in the movement of steel ball 4
Or unclamp the effect of screwdriver bit 2, its position be only limitted to change with the mated condition of groove 6, and do not need steel ball 4 it is certain move to
The tangent state of the side wall of folder hole 3.
In addition, the jump ring 18 in above-described embodiment is fixed on line shaft 1 by fitting recess 19, during actual design,
Jump ring 18 can also be welded on line shaft 1, and jump ring 18 can also be fixed on line shaft 1 by other removable structures by screw etc.
On.
Claims (10)
1. a kind of screwdriver chuck fast replacing device, including line shaft (1), is provided with screwdriver bit (2) on the line shaft (1), described
The folder hole (3) of installation screwdriver bit (2) is provided with line shaft (1) along the axis direction of line shaft (1), it is characterised in that：The power
Axle (1) is provided with the steel ball (4) of locking screwdriver bit (2), and being offered on the line shaft (1) makes steel ball (4) to enter or exit
The through hole (5) of folder hole (3), the screwdriver bit (2) is provided with the groove (6) coordinated with steel ball (4), is arranged on the line shaft (1)
There is collet sleeve (7), the collet sleeve (7) is provided with the annular groove (8) that steel ball (4) is accommodated when steel ball (4) exits folder hole (3), institute
The apical axis (9) that be additionally provided with folder hole (3) and can be moved along folder hole (3) axis direction is stated, promotion apical axis is provided with the folder hole (3)
(9) mobile the first elastic component (10), being provided between the collet sleeve (7) and line shaft (1) makes collet sleeve (7) along folder hole (3)
Second elastic component (11) of axis direction movement.
2. a kind of screwdriver chuck fast replacing device according to claim 1, it is characterised in that：The steel ball (4) has two,
And two axisymmetricals of the steel ball (4) on folder hole (3), the groove (6) is loop configuration.
3. a kind of screwdriver chuck fast replacing device according to claim 1, it is characterised in that：One on the apical axis (9)
Formula is provided with limited block (12), the folder hole (3) to be provided with and coordinate with limited block (12) to limit the step of apical axis (9) extreme position
(13)。
4. a kind of screwdriver chuck fast replacing device according to claim 3, it is characterised in that：Opened on the limited block (12)
The gathering sill (14) being oriented to the first elastic component (10) is provided with, is provided with along the axis direction of folder hole (3) on the folder hole (3)
The lead column (15) being oriented to the first elastic component (10).
5. a kind of screwdriver chuck fast replacing device according to Claims 1-4 any one, it is characterised in that：The folder
Headgear (7) is provided with the holding tank (16) for accommodating the second elastic component (11), and second elastic component (11) is set in line shaft (1)
On, the line shaft (1) is provided with the pad (17) positioned to the second elastic component (11), is also set on the line shaft (1)
Have the jump ring (18) positioned to pad (17), the pad (17) between the second elastic component (11) and jump ring (18),
The line shaft (1) is provided with the fitting recess (19) for accommodating jump ring (18).
6. a kind of screwdriver chuck fast replacing device according to claim 3, it is characterised in that：The screwdriver bit (2) is including passing
The torque transfer part (20) of torque delivery, the folder hole (3) includes the power part (21) coordinated with torque transfer part (20) and receiving
The receiving portion (22) of apical axis (9), the diameter of the inscribed circle diameter less than receiving portion (22) of the power part (21), the step
(13) formed with the transition structure of power part (21) by receiving portion (22).
7. a kind of screwdriver chuck fast replacing device according to claim 1, it is characterised in that：First elastic component (10)
Spring is with the second elastic component (11).
8. a kind of screwdriver chuck fast replacing device according to claim 5, it is characterised in that：Outside the collet sleeve (7)
Side wall is provided with the decorative pattern (23) of increase collet sleeve (7) coefficient of friction.
9. a kind of screwdriver chuck fast replacing device according to claim 1, it is characterised in that：Set on the line shaft (1)
Have and be easy to screwdriver bit (2) to insert the chamfering (24) in folder hole (3).
10. a kind of screwdriver chuck fast replacing device according to claim 6, it is characterised in that：The diameter of the apical axis (9)
Equal to the inscribed circle diameter of torque transfer part (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218848.2U CN206306035U (en) | 2016-11-09 | 2016-11-09 | A kind of screwdriver chuck fast replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218848.2U CN206306035U (en) | 2016-11-09 | 2016-11-09 | A kind of screwdriver chuck fast replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206306035U true CN206306035U (en) | 2017-07-07 |
Family
ID=59244411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621218848.2U Active CN206306035U (en) | 2016-11-09 | 2016-11-09 | A kind of screwdriver chuck fast replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206306035U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618000A (en) * | 2017-09-22 | 2018-01-23 | 深圳市盛世智能装备有限公司 | A kind of screwdriver bit device and screwdriver |
| CN107803771A (en) * | 2017-11-16 | 2018-03-16 | 南京宇众自动化装备有限公司 | Quick-release connector, part storehouse to be moved frame, transfer arm and moving method |
| CN109128786A (en) * | 2018-09-21 | 2019-01-04 | 昆山捷云智能装备有限公司 | Electric screwdriver screwdriver bit fast replacing device and its quick change method, screwdriver bit quick-changing type screw tightening machine and its it is screwed method |
| CN110722349A (en) * | 2019-11-21 | 2020-01-24 | 深圳市鸿富精研科技有限公司 | Automatic switch criticizes first device |
| CN113319794A (en) * | 2021-06-08 | 2021-08-31 | 浙江亚特电器有限公司 | Working head fast-assembling structure and multi-functional machine of multi-functional machine |
| CN114227592A (en) * | 2021-11-23 | 2022-03-25 | 广东技术师范大学 | Self-locking type multifunctional screwdriver head clamping device |
| CN114871748A (en) * | 2022-07-04 | 2022-08-09 | 德派装配科技(苏州)有限公司 | Automatic quick-change mechanism of pickup type tightening module |
| CN116421131A (en) * | 2023-06-13 | 2023-07-14 | 四川航天职业技术学院(四川航天高级技工学校) | Automatic change kindergarten oral cavity inspection device |
-
2016
- 2016-11-09 CN CN201621218848.2U patent/CN206306035U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618000A (en) * | 2017-09-22 | 2018-01-23 | 深圳市盛世智能装备有限公司 | A kind of screwdriver bit device and screwdriver |
| CN107618000B (en) * | 2017-09-22 | 2024-05-03 | 深圳市盛世智能装备股份有限公司 | Criticizing head device and screwdriver |
| CN107803771A (en) * | 2017-11-16 | 2018-03-16 | 南京宇众自动化装备有限公司 | Quick-release connector, part storehouse to be moved frame, transfer arm and moving method |
| CN109128786A (en) * | 2018-09-21 | 2019-01-04 | 昆山捷云智能装备有限公司 | Electric screwdriver screwdriver bit fast replacing device and its quick change method, screwdriver bit quick-changing type screw tightening machine and its it is screwed method |
| CN110722349A (en) * | 2019-11-21 | 2020-01-24 | 深圳市鸿富精研科技有限公司 | Automatic switch criticizes first device |
| CN113319794A (en) * | 2021-06-08 | 2021-08-31 | 浙江亚特电器有限公司 | Working head fast-assembling structure and multi-functional machine of multi-functional machine |
| CN114227592A (en) * | 2021-11-23 | 2022-03-25 | 广东技术师范大学 | Self-locking type multifunctional screwdriver head clamping device |
| CN114227592B (en) * | 2021-11-23 | 2023-09-08 | 广东技术师范大学 | Self-locking type multifunctional batch head clamping device |
| CN114871748A (en) * | 2022-07-04 | 2022-08-09 | 德派装配科技(苏州)有限公司 | Automatic quick-change mechanism of pickup type tightening module |
| CN116421131A (en) * | 2023-06-13 | 2023-07-14 | 四川航天职业技术学院(四川航天高级技工学校) | Automatic change kindergarten oral cavity inspection device |
| CN116421131B (en) * | 2023-06-13 | 2023-08-11 | 四川航天职业技术学院(四川航天高级技工学校) | Automatic change kindergarten oral cavity inspection device |
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| CP03 | Change of name, title or address |
Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Nanhu District Yu Xin Zhen Industrial Zone North Water Road No. 1 Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |