CN209146611U - A kind of lower margin leveling bolt - Google Patents
A kind of lower margin leveling bolt Download PDFInfo
- Publication number
- CN209146611U CN209146611U CN201821512175.0U CN201821512175U CN209146611U CN 209146611 U CN209146611 U CN 209146611U CN 201821512175 U CN201821512175 U CN 201821512175U CN 209146611 U CN209146611 U CN 209146611U
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- positioning region
- screw rod
- mounting portion
- bolt
- lower margin
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Abstract
The utility model provides a kind of lower margin leveling bolt, belongs to connector technical field, it solves the problems, such as that existing foundation bolt using effect is poor.This lower margin leveling bolt includes: screw head, is made of mounting portion and positioning region, the cylindrical setting of the mounting portion and portion of being fitted around offers annular groove, and positioning region is in hexa-prism setting；Screw rod, is connected in positioning region side and screw rod arc transition to positioning region forms cambered surface, offers external screw thread around screw rod, and external screw thread is extended up to towards positioning region by screw rod tail and contacted with cambered surface.The utility model has the characteristics that using effect is good.
Description
Technical field
The utility model belongs to connector technical field, is related to a kind of lower margin leveling bolt.
Background technique
Foundation bolt can be divided into fixed foundation bolt, movable foundation bolt, swollen anchorage foot bolt and bonding foundation bolt,
It is middle that according to shape difference to be divided into L-type pre-embedded bolt, 9 font pre-embedded bolts, U-shaped pre-embedded bolt, welding pre-embedded bolt, bottom plate pre-buried
Bolt is fixed, steel structure base built-in fitting, street lamp, traffic sign, pump, boiler erection, heavy equipment suitable for various equipment
Pre-buried fixation etc..
Existing foundation bolt applies in general to the installation of communal facility, and for indoor furniture, integrated wall or ground
The finishing of plate etc. then generallys use expansion bolt, and expansion bolt is that expansion is promoted to generate friction bond stress using shape gradient is taken along,
Reach fixed effect.It is generally used for the fastening on the materials such as cement, brick such as protective fence, rain cover, air-conditioning, interior decoration is also usually
It uses, but its fixation is not very reliable, if load has significant shock, it may occur however that loosen.
During installation due to furniture, integrated wall and floor, relatively high to flatness requirement, need constantly adjust with
Difference in height between metope or the depth of parallelism or regulating floor plate on ground, makes it be maintained at a horizontal plane as far as possible
On, but expansion bolt is difficult to realize the function of adjusting to floor high flexible, and using effect is not ideal enough.
In conclusion to solve the deficiency on existing foundation bolt structure, the utility model devises a kind of structure conjunction
Reason, the good lower margin leveling bolt of using effect.
Summary of the invention
The utility model in order to solve the problems existing in the prior art, provides a kind of structurally reasonable, good ground of using effect
Foot leveling bolt.
The purpose of this utility model can be achieved through the following technical solutions: a kind of lower margin leveling bolt, comprising:
Screw head is made of mounting portion and positioning region, the cylindrical setting of the mounting portion and portion of being fitted around offers
Annular groove, the positioning region are arranged in hexa-prism；
Screw rod, is connected in positioning region side and screw rod arc transition to positioning region forms cambered surface, offers around screw rod outer
Screw thread, and external screw thread is extended up to towards positioning region by screw rod tail and is contacted with cambered surface.
As the further improvement of this case, the end face arc transition in the remotely located portion of mounting portion to mounting portion circumferential lateral surface,
The diameter of mounting portion is less than the distance between any two relative side in positioning region.
Another step as this case is improved, end face of the screw rod tail chamfered transition to screw rod far from screw head, and in the end face
Portion, which is recessed inwardly, is provided with hexagonal inner hole.
Compared with prior art, the utility model structure setting is reasonable, is equipped with by annular groove, positioning region, outside
Power, which acts on positioning region, promotes bolt rotation so that the nut cooperated on bolt moves back and forth along screw rod, to what is installed
The adjusting of object progress distance；The setting of this outer-hexagonal inner hole further provides force application location to adjust, and realizes bolt both ends tune
The purpose of section, meets installation requirement, and using effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram at another visual angle Fig. 1.
In figure, 10, screw head；11, mounting portion；111, annular groove；12, positioning region；20, screw rod；21, external screw thread；22, arc
Face；23, hexagonal inner hole.
Specific embodiment
Below with reference to examples and drawings, the technical solution of the utility model is further elaborated.
As depicted in figs. 1 and 2, this lower margin leveling bolt includes:
Screw head 10 is made of mounting portion 11 and positioning region 12, and mounting portion 11 is cylindrical to be arranged and be fitted around portion 11
Annular groove 111 is offered, positioning region 12 is arranged in hexa-prism；
Screw rod 20, is connected in 12 side of positioning region and 20 arc transition of screw rod to positioning region 12 forms cambered surface 22, around spiral shell
Bar 20 offers external screw thread 21, and external screw thread 21 is extended up to towards positioning region 12 by 20 tail portion of screw rod and contacted with cambered surface 22.
When interior decoration, since furniture, integrated wall and floor are relatively high to flatness requirement, need constantly to adjust
Difference in height between metope or the depth of parallelism or regulating floor plate on ground, makes it be maintained at a level as far as possible
On face, but existing expansion bolt is difficult to realize the function of adjusting to floor high flexible, and using effect is not ideal enough.
For this purpose, the utility model devises a kind of lower margin leveling bolt, set by the cooperation of annular groove 111, positioning region 12
It sets, external force promotes bolt to rotate so that the nut cooperated on bolt moves back and forth along screw rod 20 on positioning region 12,
The adjusting of distance is carried out to the object installed.
Specifically, this bolt is by screw head 10(mounting portion 11 and positioning region 12) and the integrated molding setting of screw rod 20, wherein
Mounting portion 11 and screw rod 20 are arranged on 12 two sides of positioning region, and 20 arc transition of screw rod to positioning region 12 forms cambered surface 22, Neng Gouti
High screw rod 20 and positioning region 12(screw head 10) between bonding strength.
Preferred orientation portion 12 is arranged in hexa-prism, and the logical hex nut of 12 appearance of actual location portion is consistent, positioning region 12
Setting can play positioning action for object installation, while acting on positioning region 12 by spanner and being able to drive bolt rotation.
Herein, external screw thread 21 is extended up to towards positioning region 12 by 20 tail portion of screw rod and is contacted with cambered surface 22, so that screw rod 20
Upper all standing screw thread, bolt in actual use can on screw rod 20 matching nut, when bolt rotation when, nut can be along spiral shell
Bar 20 moves back and forth, and opening up for annular groove 111 then rotates convenient for bolt, and then convenient for adjusting the specific location of installation object,
Realize the purpose specifically adjusted.
Preferably, the end face arc transition in the remotely located portion 12 of mounting portion 11 is to 11 circumferential lateral surface of mounting portion, mounting portion 11
Diameter be less than the distance between any two relative side in positioning region 12.
The practical cylindrical setting of mounting portion 11, and the end face arc transition in the remotely located portion 12 of mounting portion 11 is to mounting portion
11 circumferential lateral surfaces are installed convenient for bolt, are conducive to bolt rotation, and are avoided that the influence generated due to rotation to bolt installation,
Ensure that bolt goes on smoothly adjusting.
Wherein, the diameter of mounting portion 11 is less than the distance between any two relative side in positioning region 12, i.e. positioning region 12 is horizontal
The diameter that diameter of a circle is greater than mounting portion 11 is inscribed on section, acts on positioning region 12 when use, and then rotating bolt.
Further, end face of the 20 tail portion chamfered transition of screw rod to screw rod 20 far from screw head 10, and in the middle part of the end face inwardly
Recess is provided with hexagonal inner hole 23.
20 tail portion of screw rod carries out Beam End by chamfering, covers on screw rod 20 convenient for nut etc., preferably in spiral shell in the present embodiment
Hexagonal inner hole 23 is opened up on the end face of 20 tail portion of bar, can be directlyed adopt in die nut insertion hexagonal inner hole 23, and then rotate spiral shell
Bolt, position of the adjusting nut on screw rod 20, namely bolt can be adjusted at the both ends of bolt, it in actual use can root
According to needing to select to adjust, operate conveniently.
This lower margin leveling bolt structure setting is reasonable, is equipped with by annular groove 111, positioning region 12, external force
Promote bolt rotation so that the nut cooperated on bolt moves back and forth along screw rod 20, to the object installed on positioning region 12
The adjusting of body progress distance；The setting of this outer-hexagonal inner hole 23 further provides force application location to adjust, and realizes bolt both ends tune
The purpose of section, meets installation requirement, and using effect is good.
Described herein is only preferred embodiments of the present invention, but the protection scope of the utility model is not
It is confined to this.The modify or supplement or adopt that the utility model those skilled in the art carries out described specific embodiment
It is replaced, should all be covered by within the protection scope of the utility model with similar mode.
Claims (3)
1. a kind of lower margin leveling bolt characterized by comprising
Screw head is made of mounting portion and positioning region, the cylindrical setting of the mounting portion and portion of being fitted around offers annular
Slot, the positioning region are arranged in hexa-prism；
Screw rod, is connected in positioning region side and screw rod arc transition to positioning region forms cambered surface, offers external screw thread around screw rod,
And external screw thread is extended up to towards positioning region by screw rod tail and is contacted with cambered surface.
2. a kind of lower margin leveling bolt according to claim 1, which is characterized in that the end face circle in the remotely located portion of mounting portion
Arc transits to mounting portion circumferential lateral surface, and the diameter of mounting portion is less than the distance between any two relative side in positioning region.
3. a kind of lower margin leveling bolt according to claim 1 or 2, which is characterized in that screw rod tail chamfered transition to spiral shell
End face of the bar far from screw head, and be recessed inwardly in the middle part of the end face and be provided with hexagonal inner hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821512175.0U CN209146611U (en) | 2018-09-14 | 2018-09-14 | A kind of lower margin leveling bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821512175.0U CN209146611U (en) | 2018-09-14 | 2018-09-14 | A kind of lower margin leveling bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146611U true CN209146611U (en) | 2019-07-23 |
Family
ID=67267100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821512175.0U Active CN209146611U (en) | 2018-09-14 | 2018-09-14 | A kind of lower margin leveling bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209146611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981017A (en) * | 2020-09-16 | 2020-11-24 | 太仓鸿瑞金属制品有限公司 | Foot bolt |
-
2018
- 2018-09-14 CN CN201821512175.0U patent/CN209146611U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981017A (en) * | 2020-09-16 | 2020-11-24 | 太仓鸿瑞金属制品有限公司 | Foot bolt |
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