CN208595132U - A kind of expansion type pin - Google Patents
A kind of expansion type pin Download PDFInfo
- Publication number
- CN208595132U CN208595132U CN201820775655.XU CN201820775655U CN208595132U CN 208595132 U CN208595132 U CN 208595132U CN 201820775655 U CN201820775655 U CN 201820775655U CN 208595132 U CN208595132 U CN 208595132U
- Authority
- CN
- China
- Prior art keywords
- expansion
- rivet nut
- fixedly installed
- hole
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000916 dilatatory effect Effects 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000009527 percussion Methods 0.000 claims description 2
- 230000010339 dilation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 238000010079 rubber tapping Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Dowels (AREA)
Abstract
The utility model relates to workpieces processing technical fields, and disclose a kind of expansion type pin, including rivet nut, expansion hole is offered at left and right sides of the rivet nut, the expansion hole internal activity is connected with expansion piece, and two expansion piece opposite sides are fixedly installed with fixing seat, and two opposite sides of the fixing seat are fixedly installed with crushing block, the outer wall of two crushing block opposite sides is fixedly installed with gear piece, and two crushing block opposite side inner walls offer thread groove.The expansion type pin, by rotating turning handle, it moves dilating screw in the thread groove of threaded connection, when entering thread groove when moving down by dilating screw, two crushing blocks can be separated, to drive two expansion pieces mobile to opposite direction, to achieve the effect that expansion, by rotating turning handle, exit dilating screw in thread groove, two expansion pieces are made to be retracted into the inner wall of rivet nut by the effect of spring, to realize the purpose of dilation.
Description
Technical field
The utility model relates to workpieces processing technical field, specially a kind of expansion type pin.
Background technique
Pin, i.e. pin, the part usually done by cylindrical timber, metal or other materials, espespecially to will be several
Individual object is fixed together or is suspended in as an object supporter on another object.
At present in the machine assembling process of factory, pin plays good positioning action, during installation, by pin
Nail is squeezed into be accomplished fluently in the substrate of pin hole in advance, is retell other workpiece and is close to pin installation, and is done so there is many problems,
Current existing pin is usually the unconverted cylindrical body of diameter, so when needing to need using pin as when positioning to substrate
On the diameter in hole accomplish accurate size, it is undersized and pin cannot if the oversized pin that will lead to can not get through
Fastening, then substrate be hard material cannot maintenance and fabrication repeatedly, influence very much installation process, reduce efficiency of installing software, so propose
A kind of expansion type pin solves the problems, such as above-mentioned propose.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of expansion type pin, has the advantages that expansion fastening,
Solving current existing pin is usually the unconverted cylindrical body of diameter, so when needing to need using pin as when positioning
Accurate size is accomplished to the diameter in the hole on substrate, it is undersized and sell if the oversized pin that will lead to can not get through
Nail cannot fasten, then substrate be hard material cannot maintenance and fabrication repeatedly, influence very much installation process, reduce asking for efficiency of installing software
Topic.
(2) technical solution
For the purpose for realizing above-mentioned expansion fastening, the utility model is provided the following technical solutions: a kind of expansion type pin, packet
Including rivet nut, the left and right sides of the rivet nut offers expansion hole, and the internal activity of the expansion hole is connected with expansion piece, and two
The opposite side of the expansion piece is fixedly installed with fixing seat, and two opposite sides of the fixing seat are fixedly installed with extruding
Block, the outer wall of the opposite side of two crushing blocks are fixedly installed with gear piece, the inner wall of two crushing block opposite sides
Thread groove is offered, the inner sidewall of two crushing blocks opposite side and rivet nut offers spring groove, the spring groove
Inside be fixedly installed with spring, the internal whorl of the thread groove is connected with dilating screw, offers at the top of the rivet nut
Screw hole, the outside of the dilating screw and the screw top for being located at rivet nut are connected with fixture nut, the top of the dilating screw
Portion and it is located at the top of fixture nut and is fixedly installed with turning handle, the top of the rivet nut and is located at solid at left and right sides of dilating screw
Dingan County is equipped with force block, is fixedly installed with percussion block at the top of the force block.
Preferably, the rivet nut is the cuboid of boring, and the expansion hole is symmetric in the left and right of rivet nut two
Side.
Preferably, the vertical length of the expansion piece is less than the vertical length of expansion hole, and two expansion pieces are opposite
Side runs through expansion hole and extends to the outside of rivet nut, and the part that the expansion piece is contacted with expansion hole is that rounded corner is set
Meter.
Preferably, the vertical length normal of greater than expansion hole of the fixing seat, the vertical length of the crushing block are greater than
The vertical length of fixing seat, the spring groove are provided with no less than four, and are symmetric respectively in expansion hole and expansion
The top and bottom of piece.
Preferably, the outside of rivet nut is extended at the top of the dilating screw, offers lines slot on the outside of the turning handle,
The fixture nut is the hex nut of internal screw thread.
Preferably, the turning handle is located at the outside at the top of rivet nut, and the height of the force block is vertically moved greater than turning handle
The distance of stroke, the diameter for tapping block are set as the diameter not less than force block.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of expansion type pin, have it is following the utility model has the advantages that
1, the expansion type pin moves dilating screw in the thread groove of threaded connection, by swollen by rotating turning handle
When swollen screw rod enters thread groove when moving down, two crushing blocks can be separated, to drive two expansion pieces to opposite
Direction is mobile, to achieve the effect that expansion, by rotating turning handle, exits dilating screw in thread groove, passes through the work of spring
With the inner wall for making two expansion pieces be retracted into rivet nut, to realize the purpose of dilation.
2, the expansion type pin passes through the outside of dilating screw and is fixedly installed with fixture nut at the top of rivet nut,
After the process using pin, is rotated and the nut that is locked not will receive external force to fixed expansion screw rod, make this
The function of expansion anchor is more firm, and being set as pin by tapping block taps impact surface into pin hole, by be provided with by
Power block plays the role of protecting pin internal structure when tapping pin.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged diagram at A in the utility model structure chart 1.
In figure: 1 rivet nut, 2 expansion holes, 3 expansion pieces, 4 fixing seats, 5 crushing blocks, 6 gear pieces, 7 thread grooves, 8 spring grooves, 9 bullets
Spring, 10 dilating screws, 11 screw holes, 12 fixture nuts, 13 turning handles, 14 force blocks, 15 tap block.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of expansion type pin referring to FIG. 1-2, including rivet nut 1, the left and right sides of rivet nut 1 offer expansion hole 2,
Rivet nut 1 is the cuboid of boring, and expansion hole 2 is symmetric in the left and right sides of rivet nut 1, the internal activity of expansion hole 2
It is connected with expansion piece 3, the vertical length of expansion piece 3 is less than the vertical length of expansion hole 2, and two opposite sides of expansion piece 3 are equal
Through expansion hole 2 and the outside of rivet nut 1 is extended to, the part that expansion piece 3 is contacted with expansion hole 2 is rounded corner design, to swollen
Swollen 3 with 2 contact portion of expansion hole be set as rounded corner make in order to prevent wedge angle it is stuck, and cause pin that can not reuse, two
The opposite side of a expansion piece 3 is fixedly installed with fixing seat 4, and two opposite sides of fixing seat 4 are fixedly installed with crushing block 5,
The outer wall of the opposite side of two crushing blocks 5 is fixedly installed with gear piece 6, when dilating screw 10 exits outer to thread groove 7, due to
The effect of spring 9 can make two crushing blocks 5 that can be bonded toward two mobile and opposite faces of opposite side, and pass through design tooth
Piece 6, when two fast 5 opposite faces of pressurization are bonded can there are gaps, so that dilating screw 10 can be re-introduced into thread groove 7,
The inner wall of two 5 opposite sides of crushing block offers thread groove 7, and the opposite side of two crushing blocks 5 and the inner sidewall of rivet nut 1 are equal
Spring groove 8 is offered, the vertical length of the vertical length normal of greater than expansion hole 2 of fixing seat 4, crushing block 5 is greater than fixing seat
4 vertical length, spring groove 8 is provided with no less than four, and is symmetric respectively in the top of expansion hole 2 and expansion piece 3
Portion and bottom, the inside of spring groove 8 are fixedly installed with spring 9, and the internal whorl of thread groove 7 is connected with dilating screw 10, rivet nut 1
Top offer screw hole 11, the outside of the dilating screw 10 and screw top for being located at rivet nut 1 is connected with fixture nut 12 is swollen
The top of swollen screw rod 10 and be located at fixture nut 12 top be fixedly installed with turning handle 13, the top of dilating screw 10 extends to
The outside of rivet nut 1, the outside of turning handle 13 offer lines slot, and fixture nut 12 is the hex nut of internal screw thread, the top of rivet nut 1
Portion and it is located at the left and right sides of dilating screw 10 and is fixedly installed with force block 14, turning handle 13 is located at the outside at the top of rivet nut 1, by
The height of power block 14 is greater than the distance of 13 vertical moving stroke of turning handle, and the diameter for tapping block 15 is set as not less than force block 14
Diameter, the top of force block 14 be fixedly installed with tap block 15, by rotate turning handle 13, be threadedly coupled dilating screw 10
Thread groove 7 in move, when entering thread groove 7 when moving down by dilating screw 10, two crushing blocks 5 can be separated,
It is mobile to opposite direction to drive two expansion pieces 3, to achieve the effect that expansion, by rotating turning handle 13, make to expand
Screw rod 10 exits in thread groove 7, so that two expansion pieces 3 is retracted into the inner wall of rivet nut 1 by the effect of spring 9, to realize swollen
The purpose of swollen contraction, the outside by dilating screw 10 and the top positioned at rivet nut 1 are fixedly installed with fixture nut 12, are using
After the process of pin, is rotated and the nut 12 that is locked not will receive external force to fixed expansion screw rod 10, keep this swollen
The function of expansion pin nail is more firm, and being set as pin by tapping block 15 taps impact surface into pin hole, by be provided with by
Power block 14 plays the role of protecting pin internal structure when tapping pin.
In conclusion the expansion type pin makes dilating screw 10 in the thread groove 7 of threaded connection by rotating turning handle 13
Interior movement when entering thread groove 7 when moving down by dilating screw 10, can separate two crushing blocks 5, to drive two
A expansion piece 3 is mobile to opposite direction, to achieve the effect that expansion, by rotating turning handle 13, exits dilating screw 10
In thread groove 7, two expansion pieces 3 are made to be retracted into the inner wall of rivet nut 1 by the effect of spring 9, to realize the mesh of dilation
's.
Also, the expansion type pin, the outside by dilating screw 10 and the top positioned at rivet nut 1 are fixedly installed with fixation
Nut 12, after the process using pin, by the nut 12 that is locked to which fixed expansion screw rod 10 not will receive external force
And rotate, keep the function of this expansion anchor more firm, being set as pin by tapping block 15 taps impact surface into pin hole,
Play the role of protecting pin internal structure when tapping pin by being provided with force block 14.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
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 expansion type pin, including rivet nut (1), it is characterised in that: the left and right sides of the rivet nut (1) offers expansion
The internal activity in hole (2), the expansion hole (2) is connected with expansion piece (3), and two opposite sides of the expansion piece (3) are fixed
It is equipped with fixing seat (4), two opposite sides of the fixing seat (4) are fixedly installed with crushing block (5), two crushing blocks
(5) outer wall of opposite side is fixedly installed with gear piece (6), and the inner wall of two crushing block (5) opposite sides offers spiral shell
Groove (7), the opposite side of two crushing blocks (5) and the inner sidewall of rivet nut (1) offer spring groove (8), the bullet
The inside of spring slot (8) is fixedly installed with spring (9), and the internal whorl of the thread groove (7) is connected with dilating screw (10), described
It is offered at the top of rivet nut (1) screw hole (11), the outside of the dilating screw (10) and the screw top company for being located at rivet nut (1)
Be connected to fixture nut (12), the top of the dilating screw (10) and be located at fixture nut (12) at the top of be fixedly installed with turning handle
(13), the top of the rivet nut (1) and be located at dilating screw (10) at left and right sides of be fixedly installed with force block (14), it is described by
It is fixedly installed at the top of power block (14) and taps block (15).
2. a kind of expansion type pin according to claim 1, it is characterised in that: the rivet nut (1) is the length of boring
Cube, the expansion hole (2) are symmetric in the left and right sides of rivet nut (1).
3. a kind of expansion type pin according to claim 1, it is characterised in that: the vertical length of the expansion piece (3) is small
Vertical length in expansion hole (2), two opposite sides of the expansion piece (3) run through expansion hole (2) and extend to rivet nut
(1) outside, the part that the expansion piece (3) contacts with expansion hole (2) are rounded corner design.
4. a kind of expansion type pin according to claim 1, it is characterised in that: the fixing seat (4) normal of greater than swollen
The vertical length of swollen hole (2), the vertical length of the crushing block (5) are greater than the vertical length of fixing seat (4), the spring groove
(8) no less than four are provided with, and is symmetric respectively in the top and bottom of expansion hole (2) and expansion piece (3).
5. a kind of expansion type pin according to claim 1, it is characterised in that: the top of the dilating screw (10) extends
To the outside of rivet nut (1), lines slot is offered on the outside of the turning handle (13), the fixture nut (12) is the hexagonal of internal screw thread
Nut.
6. a kind of expansion type pin according to claim 1, it is characterised in that: the turning handle (13) is located at rivet nut (1)
The outside at top, the height of the force block (14) are greater than the distance of turning handle (13) vertical moving stroke, the percussion block (15)
Diameter be set as the diameter not less than force block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775655.XU CN208595132U (en) | 2018-05-23 | 2018-05-23 | A kind of expansion type pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775655.XU CN208595132U (en) | 2018-05-23 | 2018-05-23 | A kind of expansion type pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208595132U true CN208595132U (en) | 2019-03-12 |
Family
ID=65600690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820775655.XU Expired - Fee Related CN208595132U (en) | 2018-05-23 | 2018-05-23 | A kind of expansion type pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208595132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501723A (en) * | 2019-09-28 | 2019-11-26 | 徐州奥拉可电子科技有限公司 | A kind of portable map navigation device for field exploration |
| CN111903427A (en) * | 2020-08-27 | 2020-11-10 | 傅凌志 | Tree fixing frame for landscape architecture |
-
2018
- 2018-05-23 CN CN201820775655.XU patent/CN208595132U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501723A (en) * | 2019-09-28 | 2019-11-26 | 徐州奥拉可电子科技有限公司 | A kind of portable map navigation device for field exploration |
| CN111903427A (en) * | 2020-08-27 | 2020-11-10 | 傅凌志 | Tree fixing frame for landscape architecture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 335500 Harvest Industrial Park, Wannian County Town, Shangrao City, Jiangxi Province Patentee after: Jiangxi Shengjin Machinery Co.,Ltd. Address before: 335500 Harvest Industrial Park, Wannian County Town, Shangrao City, Jiangxi Province Patentee before: JIANGXI SHENGJIN INDUSTRIAL CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |