CN209510837U - A kind of stable setscrew - Google Patents
A kind of stable setscrew Download PDFInfo
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- CN209510837U CN209510837U CN201822169452.9U CN201822169452U CN209510837U CN 209510837 U CN209510837 U CN 209510837U CN 201822169452 U CN201822169452 U CN 201822169452U CN 209510837 U CN209510837 U CN 209510837U
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- expansion
- screw rod
- nut
- stable
- rod
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Abstract
The utility model discloses a kind of stable setscrews, it is related to setscrew field, it is mounted on product, including expansion rod, screw rod, expansion sleeve, plain cushion and nut, limit card block is fixedly connected on product, limiting groove is offered on gasket, limiting groove and limit card block are engaged by clamping, clamping block is fixedly connected between screw rod and expansion rod, clamping block is in prism-shaped, runs through on plain cushion and offers spliced eye, and clamping block passes through spliced eye and matches with grafting hole shape, cushion block is socketed on screw rod, cushion block is between plain cushion and nut.Cushion block reserves enough spaces between nut and clamping block, and nut is avoided to be blocked by clamping block.Clamping block cannot rotate on plain cushion, the relative position of plain cushion and product is fixed, therefore the expansion rod being fixedly connected with clamping block can not be rotated with screw rod on product, when staff's rotating nut, expansion rod and screw rod will not transfers, nut is screwed to by staff tight as far as possible, achievees the purpose that installation is stable.
Description
Technical field
The utility model relates to setscrew fields, more particularly, to a kind of stable setscrew.
Background technique
Currently, generalling use setscrew on the fields such as architectural engineering, machining fastening, setscrew is fixed
Generally be metallic expansive screw, the fixation of setscrew is that expansion is promoted to generate friction bond stress using wedge-shaped gradient,
Reach fixed effect.Screw rod one is screw thread, and other end is tapered.Screw rod one expansion sleeve of outer bread, expansion sleeve is close to cone
Forming head side is equipped with several notch, and setscrew also typically includes plain cushion, and the effect of plain cushion is that the pressure of nut is uniformly distributed
In on connected part.In use, expansion sleeve is sleeved on the screw rod, and fill in the hole accomplished fluently on wall, then puts together
Upper plain cushion, split nut, nut pull outward screw rod, conical head are pulled in expansion sleeve, expansion sleeve is then tightly solid by spreading
Determine on the wall, to be generally used for the fastening on the materials such as cement, brick such as protective fence, canopy, air-conditioning.
The setscrew as disclosed in the Chinese patent application No. is CN200620134623.9, the setscrew are by spiral shell
Line, nut, expander, expansion hatch, T shape screw rod, T forming head are constituted, and expander one end of setscrew is equipped with a fixed spiral shell
Mother, the nut is consistent with the screw thread on T shape screw rod, the nut tightening on T shape screw rod when installing normal.
Setscrew in above-mentioned patent has a problem that, in staff's screw on nut, T shape screw rod may be with
Nut and rotate, nut is tightened from being unable to, and leads to the installation that setscrew cannot be stable.
Utility model content
In view of the above problems, the object of the present invention is to provide a kind of stable setscrews, and there is installation to stablize
Effect.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of stable setscrew, is mounted on product, including expansion rod, screw rod, expansion sleeve, plain cushion and nut,
The nut and the screw flight cooperate, and the expansion rod is fixedly connected with the screw rod and passes through the plain cushion and described swollen
Expansion set pipe；
Be fixedly connected with limit card block on the product, offer limiting groove on the plain cushion, the limiting groove with
The limit card block is engaged by clamping, and clamping block is fixedly connected between the screw rod and the expansion rod, and the clamping block is in rib
Column, through offering spliced eye on the plain cushion, the clamping block pass through the spliced eye and with the grafting hole shape
Match, cushion block is socketed on the screw rod, the cushion block is between the plain cushion and the nut.
By using above-mentioned technical proposal, plain cushion is by the cooperation of limiting groove and limit card block thus with product stationary phase
To position, due to being fixedly connected with the clamping block of prism-shaped between screw rod and expansion rod, clamping block be provided with inserting on plain cushion
Hole matching is connect, therefore clamping block can not rotate on plain cushion, after being provided with cushion block, can reserve between nut and clamping block
Enough spaces, avoid nut from being blocked by clamping block.Since clamping block cannot rotate on plain cushion, and plain cushion and product is opposite
Position is fixed, therefore the expansion rod being fixedly connected with clamping block can not be rotated with screw rod on product, when staff rotates
When nut, expansion rod and screw rod will not transfer, nut is screwed to by staff tight as far as possible, to enable expansion rod will be swollen
Expansion set pipe is pushed against on the inner wall of mounting hole, achievees the purpose that installation is stable.
It is further: to be fixedly connected with positive stop strip on the expansion rod along its length, opened up on the expansion sleeve
There is limiting slot, the positive stop strip is slidably connected in the limiting slot.
Expansion is further limited so that expansion rod will not be rotated relative to expansion sleeve by using above-mentioned technical proposal
Bar and screw rod enable screw rod nut will not be followed to rotate.
It is further: to be fixedly connected with liquid level on the expansion sleeve inner wall, be filled with glue, institute in the liquid level
State limiting slot described in liquid level covering part.
By using above-mentioned technical proposal, when staff's rotating nut makes expansion rod push against expansion sleeve, limit
Item squeezes liquid level, until racking liquid level the glue in liquid level is flowed out, and glue is dry can to enable expansion rod and expansion
It is bonded between casing, is not easy to loosen.
It is further: to be fixedly connected with abutting hangnail on the expansion sleeve outer wall, offered in the inner wall of the hole installing
Slot is abutted, the abutting slot matches with the hangnail that abuts.
By using above-mentioned technical proposal, when expansion sleeve is connected in inner wall of the hole installing by expansion rod, hangnail is abutted
It protrudes into and abuts in slot, so that setscrew is not easy to drop out from mounting hole.
Further: the inner wall of the expansion rod surface and the expansion sleeve is disposed as frosting.
By using above-mentioned technical proposal, so that expansion rod and expansion sleeve can be improved the degree of adhesion with glue.
It is further: elastic component to be fixedly connected on the expansion sleeve outer wall, the elastic component abuts the mounting hole
Inner wall, the elastic component is located in the middle part of the expansion sleeve.
By using above-mentioned technical proposal, in order to which expansion sleeve is entirely filled in mounting hole, expansion sleeve it is initial outer
Diameter can be less than the internal diameter of mounting hole, although rotating nut can install the end abutment of expansion sleeve after moving expansion rod
On the inner wall in hole, but middle section is still in loosening state, and setscrew is caused to shake, and can enable expansion after being equipped with elastic component
Screw is not easy to shake.
It is further: to be socketed with protective case on the screw rod.
By using above-mentioned technical proposal, so that exposed screw rod is not easy to scratch pedestrian, the edge of screw rod more cutting edge of a knife or a sword
Benefit, it is exposed more dangerous outside.
Further: the setscrew surface is coated with rust-proof coating.
By using above-mentioned technical proposal, so that setscrew is not easy to corrode, the fragility for avoiding the setscrew of corrosion from becoming
It is easily broken, cause setscrew to loosen.
In conclusion the advantageous effects of the utility model include:
(1) plain cushion by the cooperation of limiting groove and limit card block to the fixed relative position of product, due to screw rod with
The clamping block of prism-shaped is fixedly connected between expansion rod, clamping block is matched with the spliced eye being provided on plain cushion, therefore is clamped
Block can not rotate on plain cushion, after being provided with cushion block, enough spaces can be reserved between nut and clamping block, avoid spiral shell
Mother is blocked by clamping block.Since clamping block cannot rotate on plain cushion, and the relative position of plain cushion and product is fixed, thus with card
Connecing the expansion rod that block is fixedly connected can not rotate with screw rod on product, when staff's rotating nut, expansion rod and spiral shell
Bar will not transfer, nut is screwed to by staff as far as possible tight, to enable expansion rod that expansion sleeve is pushed against installation
On the inner wall in hole, achieve the purpose that installation is stable；
(2) by setting abut hangnail with abut slot, when so that expansion sleeve being connected in inner wall of the hole installing by expansion rod,
It abuts hangnail to protrude into abutting slot, setscrew is not easy to drop out from mounting hole；
(3) by setting liquid level and positive stop strip, when staff's rotating nut makes expansion rod push against expansion sleeve,
Positive stop strip squeezes liquid level, until rack liquid level and flow out the glue in liquid level, glue is dry can enable expansion rod and
It is bonded between expansion sleeve, is not easy to loosen.
Detailed description of the invention
Fig. 1 is that one embodiment of the utility model shows the schematic diagram of screw rod；
Fig. 2 is that one embodiment of the utility model shows the cross-sectional view of clamping block；
Fig. 3 is that one embodiment of the utility model shows the schematic diagram of limiting groove；
Fig. 4 is that one embodiment of the utility model shows the schematic diagram of rust-proof coating.
Appended drawing reference: 1, product；2, expansion sleeve；3, mounting hole；4, clamping block；5, screw rod；6, expansion rod；7, plain cushion；
8, limiting groove；9, limit card block；10, cushion block；11, nut；12, protective case；13, elastic component；14, hangnail is abutted；15, it abuts
Slot；16, limiting slot；17, positive stop strip；18, liquid level；19, rust-proof coating；20, spliced eye.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of stable setscrew is mounted on product 1 as depicted in figs. 1 and 2, the expansion sleeve including cylindrical tube shape
One end of pipe 2, expansion sleeve 2 is equipped at least one notch, can be 3.The mounting hole 3 of circular hole is offered on product 1, it is swollen
Expansion set pipe 2 is plugged in mounting hole 3.
As shown in Figures 2 and 3, it is plugged with the clamping block 4 of prism-shaped in expansion sleeve 2, can be quadrangular shape, clamping block
4 one end are fixedly connected with screw rod 5, and the other end is fixedly connected with expansion rod 6, and clamping block 4 is connected on the side of screw rod 5 and is socketed with
Plain cushion 7 offers on plain cushion 7 and passes through spliced eye 20 with the matched spliced eye 20 of clamping block 4, clamping block 4, thus clamping block 4 with
It is relatively unrotatable between plain cushion 7.
Limiting groove 8 is offered on plain cushion 7, is offered and is fixedly connected with limit card block 9, limiting card on the face of mounting hole 3
Block 9 and limiting groove 8 are engaged by clamping, and the relative position between plain cushion 7 and product 1 is fixed up, therefore clamping block 4 and product 1
Between it is relatively unrotatable.
It is socketed with cushion block 10 on screw rod 5, nut 11 is also threaded on screw rod 5, cushion block 10 is located at nut 11 and plain cushion 7
Between, when nut 11 rotates, screw rod 5 is moved along the length direction of screw rod 5, and cushion block 10 can enable nut 11 and clamping block 4
Between reserve enough spaces, avoid nut 11 from rotating on clamping block 4.
The exposed end face edge outside of screw rod 5 is typically more sharp, is easy to scratch passerby, therefore be socketed on screw rod 5
Protective case 12 can be rubber sleeve, so that screw rod 5 is not easy to scratch pedestrian.
Since screw rod 5 will not relatively rotate under the limit of clamping block 4 with product 1, when staff rotates
When nut 11, stud will not follow nut 11 to rotate, and tighten nut 11 convenient for staff.
Expansion rod 6 is tapered, and one end outer diameter that expansion rod 6 stretches out expansion sleeve 2 is greater than the outer diameter of expansion sleeve 2, works as work
When making personnel's rotating nut 11 screw rod 5 being moved along the length direction of screw rod 5, expansion rod 6 is moved also with screw rod 5, after
And it pushes against the inner wall of expansion sleeve 2 and the outer diameter of expansion sleeve 2 is supportted to big, the inner wall up to pushing against mounting hole 3.
It is fixedly connected with elastic component 13 on the outer wall at 2 middle part of expansion sleeve, can be elastic slice, when expansion sleeve 2 fills in peace
After filling hole 3, elastic component 13 abuts the inner wall of mounting hole 3.In order to which expansion sleeve 2 is entirely filled in mounting hole 3, expansion sleeve 2
Original outer diameter can be less than the internal diameter of mounting hole 3, although rotating nut 11 can be by expansion sleeve 2 after moving expansion rod 6
End abutment is on the inner wall of mounting hole 3, but middle section is still in loosening state, and setscrew is caused to shake, and is equipped with bullet
Setscrew can be enabled to be not easy to shake after property part 13, it is more stable.
Expansion sleeve 2 has been wholely set far from one end of plain cushion 7 abuts hangnail 14, corresponding on 3 inner wall of mounting hole to abut
The position of thorn 14, which offers, abuts slot 15, when the end of expansion sleeve 2, which is inflated bar 6, is pushed to the inner wall for pushing against mounting hole 3,
Hangnail 14 is abutted to reaching in access slot 15, so that expansion sleeve 2 is not easy to drop out out of mounting hole 3.
Expansion sleeve 2 has limiting slot 16, the position of the corresponding limiting slot 16 of expansion rod 6 far from one end edge of plain cushion 7
It is fixedly connected with positive stop strip 17, positive stop strip 17 is slidably connected in limiting slot 16, so that expansion rod 6 will not be relative to expansion sleeve
2 rotations, further limit expansion rod 6 and screw rod 5, enable screw rod 5 that nut 11 will not be followed to rotate.
It is fixedly connected with liquid level 18 on the inner wall of expansion sleeve, is filled with glue in liquid level 18, when expansion rod 6 pushes against
When expansion sleeve 2, positive stop strip 17 squeezes liquid level 18, until racking liquid level 18 glue in liquid level 18 is flowed out, glue
Water dry can enable bonds between expansion rod 6 and expansion sleeve 2, is not easy to loosen.The outer surface of expansion rod 6 and expansion sleeve 2
Inner wall is disposed as frosting, therefore can improve with the degree of adhesion between glue, installs more stable.
As shown in figure 4, setscrew surface is coated with rust-proof coating 19, rust-proof coating 19 can be zinc coating, and antirust applies
Layer 19 can enable setscrew be not easy to corrode, and the fragile one end for avoiding the setscrew of corrosion from becoming causes setscrew to loosen.
In conclusion screw rod 5 will not under the action of clamping block 4 and spliced eye 20 when staff's rotating nut 11
It relatively rotates with plain cushion 7, and plain cushion 7 will not occur under limiting groove 8 and the position-limiting action of limit card block 9 with product 1
It relatively rotates, therefore screw rod 5 will not be rotated with nut 11, enable staff is stable to be fixed on setscrew
On product 1.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of stable setscrew is mounted on product (1), including it is expansion rod (6), screw rod (5), expansion sleeve (2), flat
Pad (7) and nut (11), the nut (11) are threadedly engaged with the screw rod (5), the expansion rod (6) and the screw rod (5)
It is fixedly connected with and is passed through the plain cushion (7) and the expansion sleeve (2), is offered mounting hole (3) on the product (1), it is described
Expansion sleeve (2) is filled in the mounting hole (3)；
It is characterized by: being fixedly connected with limit card block (9) on the product (1), limiting groove is offered on the plain cushion (7)
(8), the limiting groove (8) and the limit card block (9) are engaged by clamping, solid between the screw rod (5) and the expansion rod (6)
Surely it is connected with clamping block (4), the clamping block (4) is in prism-shaped, runs through on the plain cushion (7) and offers spliced eye (20), institute
Clamping block (4) are stated across the spliced eye (20) and are matched with the spliced eye (20) shape, are socketed with pad on the screw rod (5)
Block (10), the cushion block (10) is between the plain cushion (7) and the nut (11).
2. stable setscrew according to claim 1, it is characterised in that: square along its length on the expansion rod (6)
It to being fixedly connected with positive stop strip (17), is offered limiting slot (16) on the expansion sleeve (2), positive stop strip (17) sliding connects
It connects in the limiting slot (16).
3. stable setscrew according to claim 2, it is characterised in that: fixed on expansion sleeve (2) inner wall
It is connected with liquid level (18), glue, limiting slot described in liquid level (18) covering part is filled in the liquid level (18)
(16).
4. stable setscrew according to claim 1, it is characterised in that: fixed on expansion sleeve (2) outer wall
It is connected with and abuts hangnail (14), offered on mounting hole (3) inner wall and abut slot (15), the abutting slot (15) is supported with described
Hangnail (14) is connect to match.
5. stable setscrew according to claim 3, it is characterised in that: expansion rod (6) surface with it is described swollen
The inner wall of expansion set pipe (2) is disposed as frosting.
6. stable setscrew according to claim 1, it is characterised in that: fixed on expansion sleeve (2) outer wall
It is connected with elastic component (13), the elastic component (13) abuts the inner wall of the mounting hole (3), and the elastic component (13) is located at described
In the middle part of expansion sleeve (2).
7. stable setscrew according to claim 1, it is characterised in that: be socketed with protective case on the screw rod (5)
(12).
8. stable setscrew according to claim 1, it is characterised in that: the setscrew surface is coated with antirust
Coating (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169452.9U CN209510837U (en) | 2018-12-21 | 2018-12-21 | A kind of stable setscrew |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169452.9U CN209510837U (en) | 2018-12-21 | 2018-12-21 | A kind of stable setscrew |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510837U true CN209510837U (en) | 2019-10-18 |
Family
ID=68196534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169452.9U Active CN209510837U (en) | 2018-12-21 | 2018-12-21 | A kind of stable setscrew |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
-
2018
- 2018-12-21 CN CN201822169452.9U patent/CN209510837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
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