CN113280030A - Screw with a thread - Google Patents
Screw with a thread Download PDFInfo
- Publication number
- CN113280030A CN113280030A CN202110470124.6A CN202110470124A CN113280030A CN 113280030 A CN113280030 A CN 113280030A CN 202110470124 A CN202110470124 A CN 202110470124A CN 113280030 A CN113280030 A CN 113280030A
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- China
- Prior art keywords
- screw
- lug
- sliding
- connecting arm
- slide
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
Abstract
The embodiment of the invention discloses a screw, which comprises a screw rod part, a screw cap part, a lug and a sliding part, wherein the first end surface of the screw cap part is connected with the screw rod part, the lug is arranged on the second end surface of the screw cap part, and the sliding part is arranged on the lug. The lug is provided with a first structure, the sliding part is provided with a second structure, the first structure is connected with the second structure in a matched mode, the first structure and the second structure can move relatively, so that the sliding part can move back and forth between a first position and a second position relative to the nut part, meanwhile, the sliding part can rotate to a third position relative to the nut part at the second position, and the sliding part does not abut against the lug. So, when the screw is twisted to needs, only need slide the sliding part from first position to second position to make the sliding part rotate to third position, make the user can directly hold between the fingers the sliding part with the hand and rotate with the screwing up or the unscrewing of realization screw, need not to twist the screw with the help of the screwdriver can hand, it is comparatively convenient to use.
Description
Technical Field
The embodiment of the invention relates to the technical field of fasteners, in particular to a screw.
Background
A screw is a commonly used fastener, which is generally used to fasten two relatively independent objects, and thus is widely used in various fields. At present, the existing screw is usually matched with a special screwdriver in the process of screwing or loosening so as to overcome the resistance in screwing. The screw driver is required to be specially carried when the screw is used in complex environments such as the field, and the like, so that inconvenience is brought.
Disclosure of Invention
In order to solve the above technical problem, an embodiment of the present invention provides a screw that is convenient to use.
The embodiment of the invention adopts the following technical scheme for solving the technical problems:
a screw comprises a screw body and a screw cap, wherein a first end surface of the screw cap is connected with the screw body, the screw further comprises a lug and a sliding part, the lug is installed on a second end surface of the screw cap, and the lug is provided with a first structure; the sliding part is mounted on the lug and is provided with a second structure, the first structure is in fit connection with the second structure, and the first structure and the second structure can move relatively, so that the sliding part can move back and forth between a first position and a second position relative to the nut part; and the glide may rotate relative to the nut portion from the second position to a third position and the glide does not abut the lug.
Optionally, the first structure is a sliding hole, the second structure is a connecting arm, the connecting arm penetrates through the sliding hole, and the connecting arm can slide in the sliding hole from the first position to the second position to drive the sliding member to move.
Optionally, the first structure is a connecting arm, the second structure is a sliding hole, one end of the connecting arm penetrates through the sliding hole, the other end of the connecting arm is connected with the lug, the sliding member moves from the first position to the second position through the sliding hole, and the sliding member can rotate around the central axis of the connecting arm to the third position.
Optionally, the sliding member includes a sliding portion, and the sliding portion is provided with the sliding hole.
Optionally, the sliding member further comprises a head part, one end of the head part is connected with the sliding part, the other end of the head part is recessed towards the direction close to the sliding hole and forms a tool groove, and the tool groove is in a shape of a straight line or a cross.
Optionally, the lug and the second end face of the nut portion form a receiving groove; the sliding piece further comprises a shoulder portion, the side end of the head portion extends in the direction away from the sliding hole to form the shoulder portion, and when the shoulder portion abuts against the lug, the sliding piece resets to the first position and is contained in the containing groove.
Optionally, the glide is provided with anti-slip stripes.
Optionally, the shape of the sliding hole is a kidney-shaped hole.
Optionally, the central axis of the connecting arm passes through the geometric center of the nut portion, and the sliding member portion is located at one side end of the connecting arm and the sliding member portion is located at the other side end of the connecting arm.
Optionally, the lug is integrally formed with the nut portion; the lugs comprise a first lug and a second lug, and the first lug and the second lug are symmetrically arranged on the second end face of the nut part.
The embodiment of the invention has the beneficial effects that: the screw provided by the embodiment of the invention comprises a screw rod part, a screw cap part, a lug and a sliding part, wherein the first end surface of the screw cap part is connected with the screw rod part, the lug is arranged on the second end surface of the screw cap part, and the sliding part is arranged on the lug. The lug is provided with a first structure, the sliding part is provided with a second structure, the first structure is connected with the second structure in a matched mode, the first structure and the second structure can move relatively, so that the sliding part can move back and forth between a first position and a second position relative to the nut part, meanwhile, the sliding part can rotate to a third position relative to the nut part at the second position, and the sliding part does not abut against the lug. So, when the screw is twisted to needs, only need slide the sliding part from first position to second position to make the sliding part rotate to third position, make the user can directly hold between the fingers with the hand the sliding part rotates in order to realize screwing up or unscrewing of screw, need not to realize the assembly and the dismantlement of screw with the help of the screwdriver, and it is comparatively convenient to use. And the sliding part can be accommodated in the accommodating groove formed by the lug and the second end surface of the nut part when being reset to the first position, so that the screw volume is effectively reduced while the screw is assembled and disassembled without tools.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic view of a screw according to one embodiment of the present invention;
FIG. 2 is a schematic view of the structure of another state of FIG. 1;
FIG. 3 is a schematic view of the assembly of the bump and the screw body according to one embodiment of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 in yet another state;
FIG. 5 is a cross-sectional view of the screw of FIG. 1 in one of its states;
FIG. 6 is an elevation view of the structure of a screw in another embodiment of the present invention;
fig. 7 is a cross-sectional view of the screw of fig. 6.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-2, a screw 100 according to an embodiment of the present invention includes a body 10, a lug 20, and a sliding member 40, wherein the lug 20 is mounted on the body 10, and the sliding member 40 is mounted on the lug 20. Wherein, the body 10 is used for being connected with an object to be connected in a threaded manner, the lug 20 is provided with a first structure, the sliding piece 40 is provided with a second structure, the first structure is matched and connected with the second structure, and the first structure and the second structure can move relatively, so that the sliding piece 40 can move back and forth between a first position and a second position relative to the lug 20, and the sliding piece 40 can rotate to a third position relative to the lug in the second position, and the sliding piece 40 does not abut against the lug 20 in the rotating process.
The body 10 has a screw portion 11 and a screw cap portion 12, the screw portion 11 being for screw-coupling with an object to be coupled. One end of the screw portion 11 is connected to a first end surface of the nut portion 12, a second end surface of the nut portion 12 is connected to the boss 20, and the first end surface of the nut portion 12 and the second end surface of the nut portion 12 are opposite end surfaces. It should be understood that the periphery of the screw portion 11 may be partially or completely threaded, i.e. the thread section of the screw portion 11 may be adjusted as required to meet different usage scenarios.
Thus, with the above structure, when the main body 10 needs to be screwed, the sliding member 40 can be rotated to the third position, and a user can directly screw the sliding member 40 with a hand to drive the screw shaft portion 11 to rotate, so as to screw or unscrew the screw 100, without using a tool such as a screwdriver, which is convenient to use.
In some embodiments, the first structure is a connecting arm 30, the second structure is a sliding hole 411, and the connecting arm 30 can slide in the sliding hole 411 from a first position to a second position. The connecting arm 30 is a rod with a certain length, and the shape thereof may be a shaft shape of a full circle as a whole, or may be a combination of various shapes, for example, a combination of a partial rectangular block shape and a partial circular shaft shape.
The following will specifically describe the specific structure of the screw 100 when the first structure is the connecting arm 30 and the second structure is the sliding hole 411:
in some embodiments, the lug 20 is provided with a through hole 21, one end of the connecting arm 30 is inserted into the through hole 21, and the other end of the connecting arm 30 is provided with the sliding component 40, that is, the connecting arm 30 penetrates through the sliding hole 411 of the sliding component 40, so that the sliding component 40 is sleeved on the connecting arm 30 and does not separate from the connecting arm. The sliding hole 411 is a long hole with a certain length, so that the connecting arm 30 has a sliding space in the sliding hole 411, and the sliding member 40 and the connecting arm 30 can slide relatively. Thus, the connecting arm 30 is fixed to the lug 20 without moving, and the sliding member 40 is pulled, so that the sliding member 40 can slide to the second position from the first position relative to the nut portion 12. Also, the slide 40 is rotatable about the connecting arm 30 from the second position to a third position, the slide 40 not abutting the lug 20. It should be understood that the second position is a position where the inner wall of the slide hole 411 abuts against the connecting arm 30 and the slide 40 is rotatable around the connecting arm 30, and the first position is a position where the slide 40 is not moved to the second position. The third position is where the centerline of the slider 40 is perpendicular or approximately perpendicular to the nut portion 12. When the center line of the slider 40 is perpendicular to the nut 12, the moment for screwing the screw 11 is the largest.
Through the structure, when the screw rod 11 needs to be screwed, the sliding part 40 only needs to be rotated to the third position relative to the screw cap part 12, at the moment, the sliding part 40 is erected relative to the screw cap part 12, a user can directly hold the sliding part 40 with a hand to rotate, so that the screw rod part 11 is driven to rotate, the screw 100 can be screwed or unscrewed without the aid of a screwdriver, and the use is convenient.
It should be understood that the connection between the lug 20 and the nut portion 12 may be achieved by welding, or by die casting or cutting, or by plugging, that is, one of the lug 20 or the nut portion 12 is provided with a protrusion (not shown), and the other is provided with a groove (not shown), please refer to fig. 3, where the shape of the groove is matched with the shape of the protrusion, and the protrusion is inserted into the groove, i.e., the connection between the lug 20 and the nut portion 12 is achieved. In the present embodiment, the lug 20 is integrally formed with the nut portion 12, and a side surface of the lug 20 has approximately the same shape as the periphery of the nut portion 12.
In some embodiments, the lug 20 and the connecting arm 30 can be fixed together by welding, and the lug 20 does not need to be provided with the through hole 21. During installation, the connecting arm 30 may be inserted into the sliding hole 411, and then the end of the connecting arm 30 and the lug 20 are fixed by welding, so as to complete installation of the sliding component 40.
Referring to fig. 2 again, in some embodiments, the sliding member 40 includes a sliding portion 41, the sliding portion 41 is provided with the sliding hole 411, the sliding hole 411 penetrates through two opposite ends of the sliding portion 41, and the sliding portion 41 is sleeved on the connecting arm 30 through the sliding hole 411. In this embodiment, the shape of the slide hole 411 is a kidney-shaped hole, and the distance between two inner walls of the kidney-shaped hole is greater than the caliber of the connecting arm 30 along the direction perpendicular to the central axis of the connecting arm 30. Of course, the shape of the slide hole 411 may be other shapes, such as a rectangular shape.
Further, when the connecting arm 30 is located at the center of the nut portion 12, the central axis of the connecting arm 30 passes through the geometric center of the nut portion 12, and the sliding portion 41 is located at one side end of the connecting arm 30, and the sliding portion 41 is located at the other side end of the connecting arm 30. Thus, when the sliding portion 41 moves to the second position through the sliding hole 411 and rotates to the third position, the entire length of the sliding portion 41 can obtain more space for growth than when the sliding portion 41 directly rotates around the connecting arm 30 without moving from the first position to the second position. When the sliding part 41 is rotated to the third position, the distance between the end of the sliding part far from the nut part 12 and the end surface of the nut part 12 is larger, that is, the moment for screwing the screw 11 is the largest, and when the resistance required by the rotation of the screw part 11 is overcome, the acting force required to be applied by a user is smaller, so that the screw part 11 can be screwed in a more labor-saving manner, and the use is more convenient.
Referring to fig. 2 and 4-5, in some embodiments, in order to enable people with small crowd strength, such as children, girls or the elderly, to use the screw 100 without directly twisting the screw by hand, the sliding member 40 further includes a head 42, one end of the head 42 is connected to the sliding portion 41, and the other end of the head 42 is recessed toward the sliding hole 411 to form a knife slot 421. It can be understood that the knife slot is used for inserting a tool such as a screwdriver, etc. so as to screw the screw portion 11, and the application range is wider and convenient. It should be understood that the shape of the knife slot 421 may be a straight shape, a cross shape, or other shapes, such as a quincunx shape or a hexagonal shape.
Further, the sliding member 40 further includes a shoulder portion 43, the shoulder portion 43 is formed by extending a side end of the head portion 42 in a direction away from the sliding hole 411, and when the shoulder portion 43 abuts against the lug 20, the sliding member 41 is reset to the first position. It will be appreciated that when the user tightens or loosens the screw 100, the slider 40 may be rotated about the connecting arm 30 until the slider 41 is parallel to the nut portion 12, with the slider 40 in the second position, and then the head 42 is pushed toward the connecting arm 30 until the shoulder 43 abuts the ledge 20, which indicates that the slider 40 is returned to the first position. The sliding part 40 can be received in the receiving groove formed by the lug 20 and the second end surface of the nut part 12, so that the screw volume is effectively reduced while the screw is assembled and disassembled without tools.
In some embodiments, the glide 40 is provided with anti-slip stripes 401, and the anti-slip stripes 401 are used to increase the roughness of the surface of the glide 40 to prevent slippage when the user twists the glide 40. In this embodiment, the anti-slip stripes 401 are disposed on both end surfaces of the head portion 42. It should be understood that the shape of the anti-skid stripe 401 may be a wave-shaped stripe, or may be a stripe with other shapes, such as a zigzag-shaped stripe. In this embodiment, the shape of the anti-slip stripe 401 is a wavy stripe, and the wavy anti-slip stripe 410 can increase the surface roughness of the end surface of the head 42, and can also make sweat or water drops stained on the user's finger slide down in the concave of the wavy stripe, so as to avoid the user's finger and the head 42 from slipping when being twisted. In some other embodiments, the sliding portion 41 is also provided with the anti-slip stripe 401.
In some embodiments, the outer profile of the head 42 is radiused to avoid a user slipping while twisting the screw and cutting the user's fingers. In this embodiment, the shape of the block formed by the head 42 and the sliding part 41 is mushroom-shaped, and when the sliding part 40 is reset to the first position, the outer contour of the head 42 just coincides with the edge of the nut part 12, so that the screw 100 is regular and beautiful as a whole.
In some embodiments, the number of the lugs 20 is two, and the two lugs are respectively a first lug 23 and a second lug 24, the first lug 23 and the second lug 24 are symmetrically disposed on the second end surface of the nut portion 12, one end of the connecting arm 30 is inserted into the first lug 23, and the other end of the connecting arm 30 is inserted into the second lug 24. In this embodiment, the center line of the connecting arm 30 is on the straight line of the diameter of the nut portion 12, so that the angle of the sliding member 40 rotatable around the connecting arm 30 is greater than 0 ° and less than 180 °. In this way, the first lug 23 and the second lug 24 together limit the connecting arm 30 from moving, so that the screw 100 can be more stable during use. Of course, if only one of the lugs 20 is provided, one end of the connecting arm 30 is inserted into the through hole 21, the other end of the connecting arm 30 is bolted with the sliding member 40, and the size of the other end of the connecting arm 30 is slightly larger than the caliber of the sliding hole 411, so as to prevent the sliding member 40 from being separated from the connecting arm 30.
According to the screw 100 provided by the embodiment of the invention, the first structure and the second structure are in fit connection, and the first structure and the second structure are in relative motion, so that the sliding part 40 can move from the first position to the second position relative to the nut portion 12, and the sliding part 40 can rotate from the second position to the third position relative to the nut portion 12, so that a user can directly hold the sliding part 40 by a hand to rotate so as to tighten or loosen the screw, the screw can be screwed by hand without a screwdriver, and the use is convenient.
Referring to fig. 6-7, a screw 100 'according to another embodiment of the present invention is also provided, which has the main body 10, the lug 20 and the sliding member 40 in the above embodiments, and the difference between the screw 100' and the above embodiments is: the first structure is a slide hole 411', the second structure is a connecting arm 30', that is, the lug 20 is provided with the slide hole 411', the sliding member 40 is provided with the connecting arm 30', the sliding member 40 can drive the connecting arm 30 'to slide in the slide hole 411' from a first position to a second position, and the sliding member 40 can rotate relative to the nut portion 12 from the second position to a third position without the sliding member 40 abutting against the lug 20.
The shape of the sliding hole 411 'of the lug 20 is different from that of the sliding hole 411 in the previous embodiment, the sliding hole 411' is composed of two parts, namely a rectangular square hole 4111 'and a round hole 4112', and the square hole 4111 'is communicated with the round hole 4112'. The square hole 4111 'has a long side and a short side, the long side is longer than the short side, and the diameter of the round hole 4112' is greater than the size of the short side. In this embodiment, the first position refers to a position when the connecting arm 30' is located at an end of the square hole 4111' far away from the round hole 4112', and the second position refers to a position when the connecting arm 30' is located in the round hole 4112 '.
The connecting arm 30 'includes a first end portion, a second end portion and a middle section, two ends of the middle section are respectively connected to the first end portion and the second end portion, the first end portion and the second end portion are both inserted into the sliding hole 411', the first end portion and the second end portion need to be rectangular, the shapes of the first end portion and the second end portion are both adapted to the shape of the square hole 4111', and meanwhile, a long side of the first end portion needs to be larger than a short side of the square hole 4111'. In this way, when the connecting arm 30 'is rotated 90 ° or approximately 90 ° relative to the lug 20, the long sides of the first end portion and the second end portion are abutted against the short sides of the square hole 4111', so that the screw portion 11 is driven to rotate when the sliding member 40 is screwed.
When the screw 100 'needs to be screwed or unscrewed, the user can directly screw the sliding member 40 by hand to loosen or unscrew the screw 100 by moving the sliding member 40 to move the connecting arm 30' from the first position to the second position, and then rotating the sliding member 40 around the central axis of the connecting arm 30 'until the long edge of the first end or the second end of the connecting arm 30' abuts against the short edge of the square hole 4111', i.e. the sliding member 40 rotates the connecting arm 30' by about 90 °.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A screw, including a screw portion and a screw portion, a first end surface of the screw portion being connected to the screw portion, comprising:
the lug is arranged on the second end face of the nut part and is provided with a first structure;
the sliding part is mounted on the lug and is provided with a second structure, the first structure is in fit connection with the second structure, and the first structure and the second structure can move relatively, so that the sliding part can move back and forth between a first position and a second position relative to the nut part; and the glide may rotate relative to the nut portion from the second position to a third position and the glide does not abut the lug.
2. The screw of claim 1, wherein the first structure is a slide hole, the second structure is a connecting arm, the connecting arm extends through the slide hole, and the connecting arm can slide in the slide hole from the first position to the second position to move the slide.
3. The screw of claim 1, wherein the first structure is a connecting arm and the second structure is a slide hole, one end of the connecting arm extends through the slide hole, the other end of the connecting arm is connected to the lug, and the slide member moves from the first position to the second position through the slide hole, and the slide member is rotatable about a central axis of the connecting arm to a third position.
4. The screw of claim 3, wherein the glide includes a glide portion, the glide portion being provided with the slide hole.
5. The screw of claim 4, wherein the sliding member further comprises a head, one end of the head is connected to the sliding portion, the other end of the head is recessed toward the sliding hole and forms a slot, and the shape of the slot comprises a straight line shape or a cross shape.
6. The screw of claim 5, wherein the lug forms a receiving slot with the second end face of the nut portion; the sliding piece further comprises a shoulder portion, the side end of the head portion extends in the direction away from the sliding hole to form the shoulder portion, and when the shoulder portion abuts against the lug, the sliding piece resets to the first position and is contained in the containing groove.
7. The screw of claim 1, wherein said glide is provided with anti-slip strips.
8. The screw of claim 3, wherein the slide hole is shaped as a kidney-shaped hole.
9. The screw of claim 3, wherein the central axis of the connecting arm passes through the geometric center of the nut portion, and the slide portion is located at one side end of the connecting arm and the slide portion is located at the other side end of the connecting arm.
10. The screw according to any one of claims 3 to 9, wherein the lug is integrally formed with the nut portion; the lugs comprise a first lug and a second lug, and the first lug and the second lug are symmetrically arranged on the second end face of the nut part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110470124.6A CN113280030A (en) | 2021-04-28 | 2021-04-28 | Screw with a thread |
| PCT/CN2022/084130 WO2022228009A1 (en) | 2021-04-28 | 2022-03-30 | Screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110470124.6A CN113280030A (en) | 2021-04-28 | 2021-04-28 | Screw with a thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113280030A true CN113280030A (en) | 2021-08-20 |
Family
ID=77277725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110470124.6A Pending CN113280030A (en) | 2021-04-28 | 2021-04-28 | Screw with a thread |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113280030A (en) |
| WO (1) | WO2022228009A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228009A1 (en) * | 2021-04-28 | 2022-11-03 | 深圳市道通智能航空技术股份有限公司 | Screw |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5947671A (en) * | 1998-01-30 | 1999-09-07 | Power Tool Holders Incorporated | Hand actuable clamping device with circumferentially extending tightening members |
| CN204113848U (en) * | 2014-09-15 | 2015-01-21 | 江门市鹏程头盔有限公司 | One exempts from tool operation screw assembly |
| US10267349B2 (en) * | 2016-06-21 | 2019-04-23 | Paul Kristen, Inc. | Fastener |
| TWM561141U (en) * | 2017-05-19 | 2018-06-01 | 致捷科技有限公司 | Tool free fastener |
| CN207333414U (en) * | 2017-06-30 | 2018-05-08 | 深圳市洲明科技股份有限公司 | Hand the turn of the screw is followed closely |
| CN212838861U (en) * | 2020-08-19 | 2021-03-30 | 浙江大华技术股份有限公司 | Hand screw |
| CN113280030A (en) * | 2021-04-28 | 2021-08-20 | 深圳市道通智能航空技术股份有限公司 | Screw with a thread |
| CN215521557U (en) * | 2021-04-28 | 2022-01-14 | 深圳市道通智能航空技术股份有限公司 | Screw with a thread |
-
2021
- 2021-04-28 CN CN202110470124.6A patent/CN113280030A/en active Pending
-
2022
- 2022-03-30 WO PCT/CN2022/084130 patent/WO2022228009A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228009A1 (en) * | 2021-04-28 | 2022-11-03 | 深圳市道通智能航空技术股份有限公司 | Screw |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022228009A1 (en) | 2022-11-03 |
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