CN208474279U - A kind of resistance to pressure abnormal shape set screw - Google Patents
A kind of resistance to pressure abnormal shape set screw Download PDFInfo
- Publication number
- CN208474279U CN208474279U CN201821089288.4U CN201821089288U CN208474279U CN 208474279 U CN208474279 U CN 208474279U CN 201821089288 U CN201821089288 U CN 201821089288U CN 208474279 U CN208474279 U CN 208474279U
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- resistance
- fixedly connected
- abnormal shape
- shape set
- set screw
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Abstract
The utility model discloses a kind of resistance to pressure abnormal shape set screws, including turret head, the lower surface of the turret head is equipped with connecting groove, connecting rod is fixedly connected at the inside center of the connecting groove, the lower surface of the connecting rod is fixedly connected with threaded rod, the outer surface of the threaded rod is equipped with external screw thread, the lower surface two sides of the threaded rod are fixedly connected to tapered expansion block, the outer surface upper end of the tapered expansion block is equipped with evacuation groove, the inner surface of the tapered expansion block is equipped with taper connection face, the externally threaded outer surface both ends are equipped with vertical through slot, the resistance to pressure abnormal shape set screw closes the taper connection block structure being slidably connected by the tapered expansion agllutination of bottom, tapered expansion block can be tensioned expansion outward, have again exactly by connecting groove come positioning elastic washer, in conjunction with annular protrusion Flat shim be supported, the stability used can be greatly improved in this way, guarantee connection safety.
Description
Technical field
The utility model relates to screw technical field, specially a kind of resistance to pressure abnormal shape set screw.
Background technique
In present industrial system, the use of screw is very extensive, each separated components can be fixedly connected
Form complete equipment and instrument together, play the role of it is vital, but in some specific occasions, it is desirable that connection
Precision and stability it is relatively high, existing screw structural is just unable to satisfy requirement, need specific special-shaped screw to be attached,
Such as after threaded connection, tensioning fixation can not be carried out in threaded interior, be easy loose or dislocation, safety is poor, and in spiral shell
It is typically all to pass through elastic washer and be tensioned, and elastic washer is naked is exposed on the external when silk connection, is easy to receive corrosion and damage,
The tightness of screw is to ensure that without tensile force, being pressurized to squeeze is easy to loosen or destroys screw thread, and using effect is paid no attention to
Think.
Utility model content
The purpose of this utility model is to provide a kind of resistance to pressure abnormal shape set screws, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of resistance to pressure abnormal shape set screw, including
Turret head, the lower surface of the turret head are equipped with connecting groove, are fixedly connected with connection at the inside center of the connecting groove
Bar, the lower surface of the connecting rod are fixedly connected with threaded rod, and the outer surface of the threaded rod is equipped with external screw thread；
The lower surface two sides of the threaded rod are fixedly connected to tapered expansion block, on the outer surface of the tapered expansion block
End is equipped with evacuation groove, and the inner surface of the tapered expansion block is equipped with taper connection face；
The externally threaded outer surface both ends are equipped with vertical through slot；
Sliding eye is equipped at the lower surface center of the threaded rod, the inner surface of the sliding eye slidably connects sliding
Bar, the lower surface of the sliding bar are fixedly connected with taper connection block, and the inner surface of the taper connection block is slidably connected to
The outer surface in taper connection face.
Preferably, arc spring lamination, the arc are fixedly connected with by fixed end at the outer surface center of the connecting rod
The lower surface of shape elastic slice is equipped with free end.
Preferably, the width of the arc spring lamination is 0.3 millimeter to 0.8 millimeter, and is equidistantly uniformly distributed in connecting rod
Outer surface center at.
Preferably, the outer surface upper end of the connecting rod slidably connects elastic washer, the upper surface of the elastic washer
It is slidably connected to the inner upper end surface of connecting groove, the outer surface of the elastic washer is slidably connected to the interior of connecting groove
Portion side.
Preferably, the outer surface lower end sliding sleeve of the connecting rod has flat shim, and the upper surface of the flat shim is equipped with
The outer surface of annular protrusion, the annular protrusion is slidably connected to the inner side of connecting groove.
Preferably, the upper surface slide of the annular protrusion is connected to the lower surface of elastic washer.
Compared with prior art, the utility model has the beneficial effects that the resistance to pressure abnormal shape set screw passes through bottom
Tapered expansion agllutination closes the taper connection block structure being slidably connected and can will bore when being connected to inside impermeable threaded hole
Shape expanding block is tensioned expansion outward, and then is limited from inside, improves the stability of connection, while passing through arc spring lamination top
Tight internal screw thread can increase frictional resistance from upper end, avoid loosening, guarantee safety, then have and exactly determine by connecting groove
Position elastic washer, is supported in conjunction with the flat shim with annular protrusion, it is ensured that while rate of tension, improves protection effect
Fruit avoids overlooking and damage, can greatly improve the stability used in this way, guarantee the safety of connection.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the threaded rod bottom section schematic diagram of the utility model；
Fig. 3 is the elastic washer connection schematic diagram of the utility model.
In figure: 1 turret head, 11 connecting grooves, 12 connecting rods, 13 threaded rods, 14 external screw threads, 15 tapered expansion blocks, 16 are kept away
Allow groove, 17 taper connection faces, 18 vertical through slots, 2 sliding eyes, 21 sliding bars, 22 taper connection blocks, 3 fixed ends, 31 arcs
Shape elastic slice, 32 free ends, 33 elastic washers, 34 flat shims, 35 annular protrusions.
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.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of resistance to pressure abnormal shape set screw, including six
Angle head 1, facilitates connection spanner to carry out rotation operation, and the lower surface of turret head 1 is equipped with connecting groove 11, the inside of connecting groove 11
Connecting rod 12 is fixedly connected at center, the lower surface of connecting rod 12 is fixedly connected with threaded rod 13, the outer surface of threaded rod 13
It equipped with external screw thread 14, can be threadably connected to inside threaded hole closed at one end, improve the tightness of connection；
The lower surface two sides of threaded rod 13 are fixedly connected to tapered expansion block 15, the outer surface upper end of tapered expansion block 15
Equipped with evacuation groove 16, evacuation can be carried out and be convenient for the deformation expansion outward of tapered expansion block 15, and then hold out against interior spiral shell from inside
Pit improves the stability of connection, avoids, and the inner surface of tapered expansion block 15 is equipped with taper connection face 17；
The outer surface both ends of external screw thread 14 are equipped with vertical through slot 18, can be formed inside external screw thread 14 so logical
Road can be pressed into inside vertical through slot 18 when threaded connection encounters sundries interference, convenient for falling directly down, improve
The stability of connection；
Sliding eye 2 is equipped at the lower surface center of threaded rod 13, the inner surface of sliding eye 2 slidably connects sliding bar
21, the lower surface of sliding bar 21 is fixedly connected with taper connection block 22, and the inner surface of taper connection block 22 is slidably connected to cone
The outer surface of shape joint face 17 holds out against the bottom in sealing thread hole, can be moved up with opposite thread bar 13, the gap of connection
, can be from inside outwardly against tapered expansion block 15 after becoming smaller, and then it is tensioned positioning outward, guarantee stability；
Arc spring lamination 31 is fixedly connected with by fixed end 3 at the outer surface center of connecting rod 12, arc spring lamination 31
Width is 0.3 millimeter to 0.8 millimeter, and is equidistantly uniformly distributed at the outer surface center of connecting rod 12, in this way can be even
It is inwardly squeezed and deformed when connecing, not will cause larger interference, be connectable to inside threaded hole, while can also hold out against threaded hole
Inner wall, avoid loosening, guarantee the stability of connection, the lower surface of arc spring lamination 31 is equipped with free end 32, and free end is convenient for
It is flexible, and then can guarantee that arc spring lamination 31 is avoided to contract, guarantee flexible deformation, avoids interference with；
The outer surface upper end of connecting rod 12 slidably connects elastic washer 33, and the upper surface slide of elastic washer 33 is connected to
The inner upper end surface of connecting groove 11, the outer surface of elastic washer 33 are slidably connected to the inner side of connecting groove 11,
Turret head 1 can be tensioned in this way, increase frictional resistance, avoid loose or dislocation, while can be attached in inside, mention
High protection effect；
The outer surface lower end sliding sleeve of connecting rod 12 has flat shim 34, and the upper surface of flat shim 34 is equipped with annular protrusion
35, the upper surface slide of annular protrusion 35 is connected to the lower surface of elastic washer 33, can support elastic cushion from lower end in this way
Circle 33, and then can be fixed, rate of tension is improved, avoids loosening, it is recessed that the outer surface of annular protrusion 35 is slidably connected to connection
The inner side of slot 11.
When the utility model is specifically implemented: elastic washer 33 and flat shim 34 can be passed through threaded rod in connection
13 rear enclosures are placed into inside connecting groove 11 in connecting rod 12, then threaded rod 13 can be passed through to connection through-hole simultaneously
And be threadedly coupled to inside internal thread hole closed at one end, it is covered by spanner and is rotated on turret head 1, can twisted with downward spiral
Tightly, at this moment taper connection block 22 holds out against internal thread hole bottom and can not move down, will opposite thread bar 13 move up, also
It moves up along taper connection face 17, as spacing reduces, tapered expansion block 15 will be held out against outward, and then can hold out against
The inner wall of internal thread hole guarantees the stability of connection, while the inside contraction distortion of arc spring lamination 31 can enter internal thread hole
Upper end, inner wall can be held out against by interaction force, increase frictional resistance, avoid loosening, guarantee the stability of connection, simultaneously
Turret head 1 can compress elastic washer 33 in conjunction with flat shim 34, be held out against by the pretightning force of elastic washer 33, it is ensured that steady
It is qualitative, and elastic washer 33 is held out against by annular protrusion 35 to inside connecting groove 11, and external damage can be placed, and is increased and is used
Service life can greatly improve the stability of connection in this way.
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 resistance to pressure abnormal shape set screw, including turret head (1), it is characterised in that: the lower surface of the turret head (1) is set
Have connecting groove (11), is fixedly connected with connecting rod (12), the connecting rod at the inside center of the connecting groove (11)
(12) lower surface is fixedly connected with threaded rod (13), and the outer surface of the threaded rod (13) is equipped with external screw thread (14)；
The lower surface two sides of the threaded rod (13) are fixedly connected to tapered expansion block (15), the tapered expansion block (15)
Outer surface upper end is equipped with evacuation groove (16), and the inner surface of the tapered expansion block (15) is equipped with taper connection face (17)；
The outer surface both ends of the external screw thread (14) are equipped with vertical through slot (18)；
Sliding eye (2) are equipped at the lower surface center of the threaded rod (13), the inner surface of the sliding eye (2) is slidably connected
Have sliding bar (21), the lower surface of the sliding bar (21) is fixedly connected with taper connection block (22), the taper connection block
(22) inner surface is slidably connected to the outer surface of taper connection face (17).
2. a kind of resistance to pressure abnormal shape set screw as described in claim 1, it is characterised in that: the appearance of the connecting rod (12)
It is fixedly connected with arc spring lamination (31) at the center of face by fixed end (3), the lower surface of the arc spring lamination (31) is equipped with certainly
By end (32).
3. a kind of resistance to pressure abnormal shape set screw as claimed in claim 2, it is characterised in that: the width of the arc spring lamination (31)
Degree is 0.3 millimeter to 0.8 millimeter, and is equidistantly uniformly distributed at the outer surface center of connecting rod (12).
4. a kind of resistance to pressure abnormal shape set screw as described in claim 1, it is characterised in that: the appearance of the connecting rod (12)
Face upper end slidably connects elastic washer (33), and the upper surface slide of the elastic washer (33) is connected to connecting groove (11)
The outer surface on inner upper end surface, the elastic washer (33) is slidably connected to the inner side of connecting groove (11).
5. a kind of resistance to pressure abnormal shape set screw as described in claim 1, it is characterised in that: the appearance of the connecting rod (12)
Face lower end sliding sleeve has flat shim (34), and the upper surface of the flat shim (34) is equipped with annular protrusion (35), the convex annular
The outer surface for playing (35) is slidably connected to the inner side of connecting groove (11).
6. a kind of resistance to pressure abnormal shape set screw as claimed in claim 5, it is characterised in that: the annular protrusion (35) it is upper
Surface is slidably connected to the lower surface of elastic washer (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089288.4U CN208474279U (en) | 2018-07-10 | 2018-07-10 | A kind of resistance to pressure abnormal shape set screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089288.4U CN208474279U (en) | 2018-07-10 | 2018-07-10 | A kind of resistance to pressure abnormal shape set screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474279U true CN208474279U (en) | 2019-02-05 |
Family
ID=65209959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821089288.4U Active CN208474279U (en) | 2018-07-10 | 2018-07-10 | A kind of resistance to pressure abnormal shape set screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635592A (en) * | 2022-03-02 | 2022-06-17 | 宋士杰 | Light steel structure for house building |
-
2018
- 2018-07-10 CN CN201821089288.4U patent/CN208474279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635592A (en) * | 2022-03-02 | 2022-06-17 | 宋士杰 | Light steel structure for house building |
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