CN208503196U - One kind is from base expanding and base expanding anchor bolt - Google Patents
One kind is from base expanding and base expanding anchor bolt Download PDFInfo
- Publication number
- CN208503196U CN208503196U CN201821113002.1U CN201821113002U CN208503196U CN 208503196 U CN208503196 U CN 208503196U CN 201821113002 U CN201821113002 U CN 201821113002U CN 208503196 U CN208503196 U CN 208503196U
- Authority
- CN
- China
- Prior art keywords
- conical surface
- base expanding
- expansion sleeve
- tapered head
- expansion
- 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.)
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Abstract
The utility model discloses one kind from base expanding and base expanding anchor bolt, comprising: body and the expansion sleeve being set on body；The body front end has tapered head, and body rear end has locking screw thread；The expansion sleeve front end has the bulge matched with the tapered head, and expansion sleeve is moved along body to its tapered head direction, bulge is strutted by tapered head and realizes that expansion makes the substrate reaming at bulge edge and locks；The tapered head has multiple conical surfaces, and multiple conical surfaces become larger to extreme direction before the body, and the taper of multiple conical surfaces from body rear end to body before extreme direction be gradually increased.By the above-mentioned means, the utility model can reduce expansion sleeve stamping press, so that punching press expansion is more easier, is convenient and efficient by the way that the straight conehead on body is arranged to the tapered head comprising multistage difference taper；Its structure is simple, handling ease, easy to use, time saving and energy saving, and the working efficiency of operator can be improved.
Description
Technical field
The utility model relates to anchor bolt technique for fixing field, more particularly to one kind from base expanding and base expanding anchor bolt.
Background technique
Anchor bolt is a kind of novel metal fastener material, can be used for various curtain walls, rear in marble dry hanging construction plus buries
Part installation, it can also be used to equipment installation, highway, Bridge guardrail installation；The occasions such as concrete structure reinforcement.Currently, existing anchor
Bolt is by expansion sleeve in punching press anchor bolt, struts expansion sleeve expansion to be fixed when fixed；It is in punching press
When fixed, required stamping press is larger, has strength demand to operator, the anchor bolt of institute's energy punching press in operator one day has
Limit, working efficiency is not high, operator is easy tired, fatigue, so that expansion sleeve can be caused to pour shallow or too deep problem.Separately
Outside, anchor bolt during the installation process, since its head is embedded in wall or fixation, is difficult whether to recognize expansion sleeve
Punching press is in place.
Utility model content
The utility model mainly solving the technical problems that provide it is a kind of from base expanding and base expanding anchor bolt, can be by will be straight on body
Shape conehead is arranged to the tapered head comprising multistage difference taper, reduces expansion sleeve stamping press, so that punching press expansion is more held
Easily, convenient and efficient；Its structure is simple, handling ease, easy to use, time saving and energy saving, and the working efficiency of operator can be improved.
In order to solve the above technical problems, the technical solution that the utility model uses is: provide it is a kind of from base expanding and base expanding anchor bolt,
Including body and the expansion sleeve being set on body；The body front end has tapered head, and body rear end has locking spiral shell
Line；The expansion sleeve front end has the bulge that matches with the tapered head, and expansion sleeve is along body to its tapered head
Portion's direction is mobile, bulge is strutted by tapered head and realizes that expansion makes the substrate reaming at bulge edge and locks；It is described
Tapered head has multiple conical surfaces, and multiple conical surfaces become larger to extreme direction before the body, and the taper of multiple conical surfaces is certainly
Body rear end is gradually increased to extreme direction before body.
Preferably, there are two the conical surfaces for the tapered head tool, and two conical surfaces are respectively first conical surface and second conical surface；It is described
First conical surface end where locking screw thread on the body, second conical surface is close to the front end of the body, second conical surface
It is connected with first conical surface, and the taper of second conical surface is greater than the taper of first conical surface；Maximum diameter is on first conical surface
A, maximum diameter is b on second conical surface, the expansion sleeve with a thickness of c, the outer diameter of the expansion sleeve is d；Its
In, b < d, a+2c > d.
Preferably, the smallest diameter is equal with the outer diameter of the body on first conical surface, on second conical surface most
Small diameter is equal with maximum diameter a on first conical surface.
Preferably, the front end on the tapered head is provided with rotary table, and the big end of rotary table is close to tapered head.
Preferably, short cylindrical is connected between the rotary table and the tapered head.
Preferably, the lateral wall of the bulge front end is formed slopely the screw-in conical surface to its front end, and on the screw-in conical surface
It is provided with the progressive blade of rotation；The junction for screwing in the conical surface and the bulge is provided with locking key ring.
Preferably, the position to connect on the lateral wall of the bulge rear end with the expansion sleeve is provided with an Extendable cycles
Slot；Multiple strip gabs are distributed with around its axis in the bulge front end, and the bottom of strip gab is located in the expansion slot.
Preferably, the position on the expansion sleeve lateral wall close to its rear end is provided with a circle mounting groove；
Or the position on the expansion sleeve lateral wall close to its rear end is provided with a circle labeled slots, labeled slots to wall or
The distance between fixation be equal to bulge it is fully expanded required for driving depth, the driving depth be expansion sleeve into
The distance moved when row expansion locking along body axis direction.
Preferably, the expansion sleeve is along the body to its tapered head direction moves, the bulge is bored
When type head sufficiently struts realization expansion locking, the position that locking screw thread stretches out expansion sleeve rear end on body is provided with a circle mark
Remember ring, the colouring discrimination of Marking ring is in the color of locking screw thread.
Preferably, it is provided with corrosion-resistant coating on the outer surface of the expansion sleeve, enhances antiseptic property.
The beneficial effects of the utility model are: the utility model can include by the way that the straight conehead on body to be arranged to
The tapered head of multistage difference taper reduces expansion sleeve stamping press, so that punching press expansion is more easier, is convenient and efficient；It can also
It is enough to be arranged to the lateral surface of expansion sleeve front end to screw in the conical surface and the progressive blade of setting rotation on the screw-in conical surface,
Come so that expansion sleeve enters in rotary manner in wall or fixation, to further decrease stamping press；By swollen
On expansion set cylinder lateral wall be arranged expansion slot come improve expansion sleeve front end expansion elastic force so that required stamping press again again
Secondary reduction；By the way that mounting groove is arranged on expansion sleeve lateral wall, the error of drilling depth is controlled to adjust；Pass through setting flag
Ring, to understand whether expansion sleeve expands expansion completely；And increases it with wall in body front end setting rotary table or consolidated
The contact surface in hole on earnest, to avoid the destruction of body front end outer edge device to hole；Its structure is simple, handling ease, user
Just, time saving and energy saving, the working efficiency of operator can be improved, need to can only be installed using positioning drill bit or common brick.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view from one preferred embodiment of base expanding and base expanding anchor bolt of the utility model；
Fig. 2 is a kind of schematic cross-sectional view from base expanding and base expanding anchor bolt of the utility model.
The components in the drawings are labeled as follows: 1, body；11, first conical surface；12, second conical surface；13, rotary table；14, it locks
Screw thread；2, expansion sleeve；21, progressive blade is rotated；22, expansion slot；23, mounting groove；24, Marking ring；25, locking key ring；26,
Strip gab.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
Embodiment 1:
One kind is from base expanding and base expanding anchor bolt, comprising: body 1 and the expansion sleeve 2 being set on body 1；1 front end of body has
Tapered head, 1 rear end of body have locking screw thread 14；2 front end of expansion sleeve, which has, to be matched with the tapered head
Bulge, expansion sleeve 2 is moved along body 1 to its tapered head direction, bulge struts realization by tapered head and expands
Make the substrate reaming at bulge edge and locks.
The tapered head has two sections of different tapers, can be divided into first conical surface 11 and second conical surface according to taper difference
12, first conical surface 11 becomes larger to extreme direction (direction is squeezed into installation) before the body 1 with second conical surface 12；Described first
The 14 place end of locking screw thread on the body 1 of the conical surface 11, second conical surface 12 is close to the front end of the body 1, and second
The conical surface 12 is connected with first conical surface 11, and the taper of second conical surface 12 is greater than the taper of first conical surface 11；First conical surface 11
Upper maximum diameter is a, and maximum diameter is b on second conical surface 12, the expansion sleeve 2 with a thickness of c, the expansion
The outer diameter of sleeve 2 is d；Wherein, b < d, a+2c > d；The outer diameter of the smallest diameter and the body 1 on first conical surface 11
Equal, the smallest diameter is equal with maximum diameter a on first conical surface 11 on second conical surface 12；Pass through two differences
Taper, gradually dilating expansion, required stamping press is small, pours easy, fast and easy；The just fashionable cone because of first conical surface 11
Degree is smaller, only needs the power of very little that can strut, when being punched into second conical surface 12, because having there is the base of first conical surface 11
Plinth, it is much smaller that power needed for the expansion on second conical surface, 12 position compared to " straight conehead " expands distracted power, so that anchor bolt
Expansion fixation is more convenient, time saving and energy saving, and is hardly damaged.Certainly, tapered head also can be set into three sections,
The different tapers such as four sections.
The front end on the tapered head is provided with rotary table 13, the big end of rotary table 13 close to tapered head, and the rotary table 13 with
Short cylindrical is connected between tapered head；Rotary table 13 is capable of increasing the contact surface in hole on 1 head of body and wall or fixation
Product, reduces its stress degree for being against on hole " point ", avoids destruction caused by its device to hole.
The lateral wall of the bulge front end is formed slopely the screw-in conical surface to its front end, and the screw-in conical surface is before bulge
The diameter at end is gradually reduced, and screws on the conical surface and its axis is provided with the progressive blade 21 of rotation, in order to which expansion sleeve 2 exists
It can be screwed in when pouring in wall or fixation, is convenient and strength-saving, while can also increased between wall or fixation
Contact area has the function of that locking is stuck.The junction for screwing in the conical surface and the bulge is additionally provided with locking key ring 25,
Conehead can be quickly set to be inserted into form locking key, locking effect is good.
The position to connect on the lateral wall of the bulge rear end with the expansion sleeve 2 is provided with an Extendable cycles slot 22；Expand
The progressive cutting of blade 21 reaming can be rotated with Rapid Expansion by opening slot 22, can be convenient for the expansion of bulge, so that bulge quilt
Tapered head, which struts, to be more easier, and impulse force is further reduced.Around the distribution of its axis, there are four bar shapeds for the bulge front end
Opening 26, the bottom of four strip gabs 26 is respectively positioned in the expansion slot, to carry out expansion expansion.
Position on 2 lateral wall of expansion sleeve close to its rear end is provided with a circle mounting groove 23, can adjust brill on a small quantity
The error of hole depth；It can identify that this height and position from base expanding and base expanding anchor bolt in hole can basis in punching by mounting groove
The depth of its actual height and position control adjustment drilling in hole, so that the depth in hole needed for understanding, avoids the occurrence of and drilled
Shallow or too deep situation is simple, convenient, quick.
The expansion sleeve 2 is moved to along the body 1 to its tapered head direction maximum straight on first conical surface
At path position, the bulge strutted by tapered head make bulge edge substrate reaming realize expansion, the expansion sleeve
It is moved on second conical surface at maximum diametrical position along the body to its tapered head direction, the bulge is bored
Type head, which sufficiently struts, to be made the substrate at bulge edge further reaming is realized when expanding and locking again, locking screw thread on body
The position for stretching out 2 rear end of expansion sleeve is provided with a circle Marking ring 24, and the colouring discrimination of Marking ring 24 is in the color of locking screw thread；
It can clearly know that whether sufficiently expansion struts bulge in expansion sleeve 2, can stop expansion sleeve when seeing Marking ring 24
Cylinder 2 is squeezed into, and is avoided the occurrence of expansion and is strutted insufficient or strut the bad phenomenons such as expansion effect is poor more than expansion, and can
To form locking key by the screw-in of nut；Because its head is inside wall or fixation in anchoring for anchor bolt, institute
With expansion sleeve 2 either with or without strutting what operator was very difficult to define completely, it is easy to expansion occur and strut insufficient or be more than to expand
It opens and struts the bad phenomenons such as expansion effect difference, and Marking ring 24 can understand in time hair when expansion sleeve 2 is fully expanded
It is existing.
It is provided with corrosion-resistant coating on the outer surface of the expansion sleeve 2, antiseptic property can be enhanced, improved service life.
The utility model can be by being arranged to the tapered head comprising two sections of different tapers for the straight conehead on body 1
Portion reduces by 2 stamping press of expansion sleeve, so that punching press expansion is more easier, is convenient and efficient；It can also be by 2 front end of expansion sleeve
Lateral surface be arranged to screw in the conical surface and on the screw-in conical surface setting rotate progressive blade 21, come so that expansion sleeve 2 with
The mode of rotation enters in wall or fixation, to further decrease stamping press；By being set on 2 lateral wall of expansion sleeve
Expansion slot 22 is set to improve the elastic force of 2 front end of expansion sleeve expansion, so that required stamping press is reduced once more；By
Mounting groove 23 is set on 2 lateral wall of expansion sleeve, controls to adjust the error of drilling depth；By setting flag ring 24, with
Whether solution expansion sleeve 2 expands expansion completely；And 1 front end of body setting rotary table 13 increase its on wall or fixation
The contact surface in hole, to avoid the destruction of 1 front end outer edge device to hole of body；Its structure is simple, handling ease, it is easy to use, save
The working efficiency of operator can be improved in Shi Shengli, need to can only be installed using positioning drill bit or common brick.
Embodiment 2:
One kind is from base expanding and base expanding anchor bolt, comprising: body 1 and the expansion sleeve 2 being set on body 1；1 front end of body has
Tapered head, 1 rear end of body have locking screw thread 14；2 front end of expansion sleeve, which has, to be matched with the tapered head
Bulge, expansion sleeve 2 is moved along body 1 to its tapered head direction, bulge struts realization by tapered head and expands
Make the substrate reaming at bulge edge and locks.
The tapered head has two sections of different tapers, can be divided into first conical surface 11 and second conical surface according to taper difference
12, first conical surface 11 becomes larger to extreme direction (direction is squeezed into installation) before the body 1 with second conical surface 12；Described first
The 14 place end of locking screw thread on the body 1 of the conical surface 11, second conical surface 12 is close to the front end of the body 1, and second
The conical surface 12 is connected with first conical surface 11, and the taper of second conical surface 12 is greater than the taper of first conical surface 11；First conical surface 11
Upper maximum diameter is a, and maximum diameter is b on second conical surface 12, the expansion sleeve 2 with a thickness of c, the expansion
The outer diameter of sleeve 2 is d；Wherein, b < d, a+2c > d；The outer diameter of the smallest diameter and the body 1 on first conical surface 11
Equal, the smallest diameter is equal with maximum diameter a on first conical surface 11 on second conical surface 12；Pass through two differences
Taper, gradually dilating expansion, required stamping press is small, pours easy, fast and easy；The just fashionable cone because of first conical surface 11
Degree is smaller, only needs the power of very little that can strut, when being punched into second conical surface 12, because having there is the base of first conical surface 11
Plinth, it is much smaller that power needed for the expansion on second conical surface, 12 position compared to " straight conehead " expands distracted power, so that anchor bolt
Expansion fixation is more convenient, time saving and energy saving, and is hardly damaged.Certainly, tapered head also can be set into three sections,
The different tapers such as four sections.
The front end on the tapered head is provided with rotary table 13, the big end of rotary table 13 close to tapered head, and the rotary table 13 with
Short cylindrical is connected between tapered head；Rotary table 13 is capable of increasing the contact surface in hole on 1 head of body and wall or fixation
Product, reduces its stress degree for being against on hole " point ", avoids destruction caused by its device to hole.
The lateral wall of the bulge front end is formed slopely the screw-in conical surface to its front end, and the screw-in conical surface is before bulge
The diameter at end is gradually reduced, and screws on the conical surface and its axis is provided with the progressive blade 21 of rotation, in order to which expansion sleeve 2 exists
It can be screwed in when pouring in wall or fixation, is convenient and strength-saving, while can also increased between wall or fixation
Contact area has the function of that locking is stuck.The junction for screwing in the conical surface and the bulge is additionally provided with locking key ring 25,
Conehead can be quickly set to be inserted into form locking key, locking effect is good.
The position to connect on the lateral wall of the bulge rear end with the expansion sleeve 2 is provided with an Extendable cycles slot 22；Expand
The progressive cutting of blade 21 reaming can be rotated with Rapid Expansion by opening slot 22, can be convenient for the expansion of bulge, so that bulge quilt
Tapered head, which struts, to be more easier, and impulse force is further reduced.Around the distribution of its axis, there are four bar shapeds for the bulge front end
Opening 26, the bottom of four strip gabs 26 is respectively positioned in the expansion slot, to carry out expansion expansion.
Position on 2 lateral wall of expansion sleeve close to its rear end is provided with a circle mounting groove 23, can adjust brill on a small quantity
The error of hole depth；It can identify that this height and position from base expanding and base expanding anchor bolt in hole can basis in punching by mounting groove
The depth of its actual height and position control adjustment drilling in hole, so that the depth in hole needed for understanding, avoids the occurrence of and drilled
Shallow or too deep situation is simple, convenient, quick.
Position on the expansion sleeve lateral wall close to its rear end is provided with a circle labeled slots, labeled slots to wall or by
The distance between fixture is equal to the fully expanded required driving depth of bulge, which is that expansion sleeve carries out
The distance moved when expansion locking along body axis direction.The labeled slots are exactly " mounting groove 23 " in embodiment 1 in fact, only
By being further limited to " mounting groove 23 " distance and position, to change the effect of " mounting groove 23 ", so that it is as understanding
The whether fully expanded label of bulge, rather than a label understood as installation hole depth.Because in anchoring,
Its head is inside wall or fixation, so expansion sleeve 2 is very difficult to define either with or without operator is strutted completely
, it is easy to there is expansion and struts insufficient or strut the bad phenomenons such as expansion effect is poor more than expansion, and labeled slots energy
It is enough to understand discovery in time when expansion sleeve 2 is fully expanded, when the outer surface flush of labeled slots and wall or fixation,
Expansion sleeve 2 is just fully expanded to be strutted.Its act on be equal to embodiment 1 in " Marking ring 24 " effect, but with the " Marking ring
24 " compare, it is easier to quickly recognize depth, using effect that expansion sleeve 2 to be entered more preferably.
Hot galvanizing on the outer surface of the expansion sleeve 2, enhancing antiseptic property improve service life.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. it is a kind of from base expanding and base expanding anchor bolt, including body and the expansion sleeve being set on body；The body front end has tapered head
Portion, body rear end have locking screw thread；The expansion sleeve front end has the bulge matched with the tapered head, expansion
Sleeve, which is moved along body to its tapered head direction, bulge struts realization expansion by tapered head makes bulge edge
Substrate reaming simultaneously locks；It is characterized by: the tapered head has multiple conical surfaces, multiple conical surfaces are to the body front end side
To becoming larger, and the taper of multiple conical surfaces from body rear end to body before extreme direction be gradually increased.
2. according to claim 1 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: the tapered head has there are two the conical surface,
Two conical surfaces are respectively first conical surface and second conical surface；First conical surface end, institute where locking screw thread on the body
Second conical surface is stated close to the front end of the body, second conical surface is connected with first conical surface, and the taper of second conical surface is greater than first
The taper of the conical surface；Maximum diameter is a on first conical surface, and maximum diameter is b, the expansion sleeve on second conical surface
Cylinder with a thickness of c, the outer diameter of the expansion sleeve is d；Wherein, b < d, a+2c > d.
3. according to claim 2 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: on first conical surface the smallest diameter with
The outer diameter of the body is equal, and the smallest diameter is equal with maximum diameter a on first conical surface on second conical surface.
4. according to claim 1 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: the front end on the tapered head is provided with circle
Platform, the big end of rotary table is close to tapered head.
5. according to claim 4 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: between the rotary table and the tapered head
It is connected with short cylindrical.
6. according to claim 1 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: the lateral wall of the bulge front end to its
Front end is formed slopely the screw-in conical surface, and the progressive blade of rotation is provided on the screw-in conical surface；The screw-in conical surface with it is described swollen
The junction in swollen portion is provided with locking key ring.
7. according to claim 1 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: on the lateral wall of the bulge rear end with
The position that the expansion sleeve connects is provided with an Extendable cycles slot；The bulge front end is distributed with multiple bar shapeds around its axis and opens
Mouthful, the bottom of strip gab is located in the expansion slot.
8. according to claim 1 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: close to it on the expansion sleeve lateral wall
The position of rear end is provided with a circle mounting groove；
Or the position on the expansion sleeve lateral wall close to its rear end is provided with a circle labeled slots, labeled slots to wall or is consolidated
The distance between earnest is equal to the fully expanded required driving depth of bulge, which is that expansion sleeve progress is swollen
The distance moved when swollen locking along body axis direction.
9. according to claim 1 a kind of from base expanding and base expanding anchor bolt, it is characterised in that: the expansion sleeve along the body to its
Tapered head direction movement, the bulge are sufficiently strutted by tapered head when realizing expansion locking, lock spiral shell on body
The position that line stretches out expansion sleeve rear end is provided with a circle Marking ring, and the colouring discrimination of Marking ring is in the color of locking screw thread.
10. according to one kind described in any of the above claim from base expanding and base expanding anchor bolt, it is characterised in that: the appearance of the expansion sleeve
Corrosion-resistant coating is provided on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113002.1U CN208503196U (en) | 2018-07-13 | 2018-07-13 | One kind is from base expanding and base expanding anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113002.1U CN208503196U (en) | 2018-07-13 | 2018-07-13 | One kind is from base expanding and base expanding anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503196U true CN208503196U (en) | 2019-02-15 |
Family
ID=65284750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113002.1U Expired - Fee Related CN208503196U (en) | 2018-07-13 | 2018-07-13 | One kind is from base expanding and base expanding anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503196U (en) |
-
2018
- 2018-07-13 CN CN201821113002.1U patent/CN208503196U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210713 |