CN213598351U - Fastening bolt with detachable uniform-stress knocking head - Google Patents
Fastening bolt with detachable uniform-stress knocking head Download PDFInfo
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- CN213598351U CN213598351U CN202022532605.9U CN202022532605U CN213598351U CN 213598351 U CN213598351 U CN 213598351U CN 202022532605 U CN202022532605 U CN 202022532605U CN 213598351 U CN213598351 U CN 213598351U
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- head
- bolt
- knocking head
- stress
- rod body
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Abstract
The utility model discloses a fastening bolt with head is struck to detachable even atress, strike head, nut, expansion pipe box and toper extrusion head including the bolt body of rod, atress, the atress is strikeed the head and is connected the left side end of the bolt body of rod, the surface of the bolt body of rod is equipped with external screw thread structure all around, the nut encircles and cup joints on the bolt body of rod and be close to the atress is strikeed the head, expansion pipe box cup joints the outer wall of the bolt body of rod is all around, a plurality of outer expanding plate are connected to the one end of expansion pipe box, it has a gap to expand between the expanding plate each other outward, the atress is strikeed the head and is discoid structure, the top face that the head was struck to the atress is flat plane, the bottom face that the head was struck to the atress is sunken to be equipped with an interior circular groove, be. In this way, the utility model discloses can make fastening bolt strike the in-process of going into the wall at the installation more stable accurate.
Description
Technical Field
The utility model relates to a bolt field especially relates to a fastening bolt with head is struck to detachable even atress.
Background
The fastening bolt is generally a metal expansion bolt, the fastening bolt is fixed by utilizing wedge-shaped inclination to promote expansion to generate friction gripping force so as to achieve the fixing effect, one end of the bolt is provided with a thread, the other end of the bolt is provided with a taper, the outer surface of the bolt is covered with an iron sheet or a steel pipe, a half of an iron sheet cylinder is provided with a plurality of notches, the iron sheet cylinder and the steel pipe are plugged into a hole drilled on a wall together, then a nut is locked, the nut pulls the bolt outwards to pull the taper into the iron sheet cylinder, the iron sheet cylinder is expanded and then is tightly fixed on the wall, the fastening bolt is generally used for fastening cement, bricks and other materials such as guard rails, awnings, air conditioners and the like, a screw rod structure of the fastening bolt needs to be violently knocked in the installation process of the fastening bolt, the screw rod structure penetrates through a pipe sleeve structure of the fastening bolt from one side, so, the violent knocking easily causes the problems of angular inclination and the like of a bolt rod body due to uneven stress, and even causes bolt breakage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a fastening bolt who strikes head with detachable even atress, can make fastening bolt strike the in-process of going into the wall at the installation more stable accurate.
In order to solve the technical problem, the utility model discloses a technical scheme be: the fastening bolt with the detachable uniform stress knocking head comprises a bolt body, the stress knocking head, a nut, an expansion pipe sleeve and a conical extrusion head, wherein the stress knocking head is connected to the left end of the bolt body, an external thread structure is arranged on the periphery of the surface of the bolt body, the nut is sleeved on the bolt body in a surrounding mode and close to the stress knocking head, the expansion pipe sleeve is sleeved on the periphery of the outer wall of the bolt body, one end of the expansion pipe sleeve is connected with a plurality of outer expansion plates, gaps are formed among the outer expansion plates, the stress knocking head is of a disc-shaped structure, the top end face of the stress knocking head is a flat plane, an inner concave circular groove is concavely arranged on the bottom end face of the stress knocking head, an internal thread structure is arranged on the inner wall of the inner concave circular groove, and the inner diameter of the inner concave circular groove is equal to the diameter of the bolt body, the left end of the bolt rod body is connected and led into the inner part of the concave circular groove through threads.
In a preferred embodiment of the present invention, the bottom end surface of the force striking head is smaller than the top end surface, the side wall of the force striking head is an inclined surface that is inwardly closed, a plurality of uniform force rods are connected to the inclined surface of the force striking head, and the lower ends of the uniform force rods are connected to the side wall of the bolt shank.
In a preferred embodiment of the present invention, the right-most side of the bolt shank is connected to the conical extrusion head, and the outside diameter of the conical extrusion head is larger than the pipe diameter of the expansion pipe sleeve.
In a preferred embodiment of the present invention, the outer wall of the outward-expanding expansion plate is provided with an anti-slip pointed cone structure.
The utility model has the advantages that: the utility model discloses a fastening bolt with strike head structure, this kind of novel fastening bolt is connected with the head of striking of a detachable discoid structure in the head position department of its outside, carries out the hammering to the outer terminal surface of striking the head, passes power to the whole bolt body of rod, makes the body of rod extrude inside getting into the wall body to impel inflation body structure and wall body to take place firm gomphosis effect, prevent to lead to the body of rod crooked because strike the inhomogeneous or other wrong phenomenon of beating of dynamics because of strikeing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a fastening bolt with a detachable striking head with uniform force according to the present invention;
the parts in the drawings are numbered as follows: 1. a bolt shank; 2. a force striking head; 3. a nut; 4. an expansion pipe sleeve; 5. a conical extrusion head; 6. an outward expansion plate; 7. an inward concave circular groove; 8. a force-sharing rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a fastening bolt with a detachable uniform stress knocking head comprises a bolt rod body 1, a stress knocking head 2, a nut 3, an expansion pipe sleeve 4 and a conical extrusion head 5, wherein the stress knocking head 2 is connected to the left side end of the bolt rod body 1, an external thread structure is arranged on the periphery of the surface of the bolt rod body 2, the nut 3 is sleeved on the bolt rod body 1 in a surrounding manner and is close to the stress knocking head 2, the expansion pipe sleeve 4 is sleeved on the periphery of the outer wall of the bolt rod body 1, one end of the expansion pipe sleeve 4 is connected with a plurality of external expansion plates 6, gaps are formed among the external expansion plates 6, the stress knocking head 2 is of a disc-shaped structure, the top end surface of the stress knocking head 2 is a flat plane, an internal circular groove 7 is arranged on the surface of the stress knocking head 2 in a recessed manner, and an internal thread structure is arranged on the inner wall of the internal circular groove 7, the inner diameter of the inner concave circular groove 7 is equal to the diameter of the bolt rod body 1, and the left side end of the bolt rod body 1 is connected and guided into the inner concave circular groove 7 through threads.
In addition, the bottom end surface of the stressed knocking head 2 is smaller than the top end surface, the side wall of the stressed knocking head 2 is an inward inclined surface, the inclined surface of the stressed knocking head 2 is connected with a plurality of uniform force dividing rods 8, and the lower ends of the uniform force dividing rods 8 are connected to the side wall of the bolt rod body 2.
In addition, the rightmost side of the bolt rod body 1 is connected with the conical extrusion head 5, and the diameter of the outer side of the conical extrusion head 5 is larger than that of the expansion pipe sleeve 4.
In addition, the outer wall of the external expansion plate 6 is convexly provided with an anti-skid pointed cone structure.
The utility model discloses a theory of operation is that the atress strikes head 2 and connects in the left side end of the bolt body of rod 1, and the surface of the bolt body of rod 2 is equipped with the external screw thread structure all around, and nut 3 encircles and cup joints on the bolt body of rod 1 and be close to atress and strike head 2, and expansion pipe box 4 cup joints around the outer wall of the bolt body of rod 1.
One end of an expansion pipe sleeve 4 is connected with a plurality of outer expansion plates 6, the outer walls of the outer expansion plates 6 are convexly provided with anti-skidding pointed cone structures, the outer expansion plates 6 are separated by a gap, the rightmost side of a bolt rod body 1 is connected with a conical extrusion head 5, the diameter of the outer side of the conical extrusion head 5 is larger than the pipe diameter of the expansion pipe sleeve 4, a stressed knocking head 2 is of a disc-shaped structure, the top end face of the stressed knocking head 2 is a flat plane, and the bottom end face of the stressed knocking head 2 is concavely provided with an inner concave circular groove 7.
The inner wall of the inner concave circular groove 7 is provided with an internal thread structure, the inner diameter of the inner concave circular groove 7 is equal to the diameter of the bolt rod body 1, the left side end of the bolt rod body 1 is connected and led into the inner concave circular groove 7 through threads, the bottom end surface of the stress knocking head 2 is smaller than the top end surface, the side wall of the stress knocking head 2 is an inward-closed inclined surface, the inclined surface of the stress knocking head 2 is connected with a plurality of uniform force-distributing rods 8, and the lower ends of the uniform force-distributing rods 8 are connected to the side wall of the bolt rod body 2.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (4)
1. A fastening bolt with a detachable uniform stress knocking head comprises a bolt rod body, the stress knocking head, a nut, an expansion pipe sleeve and a conical extrusion head, and is characterized in that the stress knocking head is connected to the left end of the bolt rod body, an external thread structure is arranged on the periphery of the surface of the bolt rod body, the nut is sleeved on the bolt rod body in a surrounding mode and is close to the stress knocking head, the expansion pipe sleeve is sleeved on the periphery of the outer wall of the bolt rod body, one end of the expansion pipe sleeve is connected with a plurality of external expansion plates, a gap is formed between each two external expansion plates, the stress knocking head is of a disc-shaped structure, the top end face of the stress knocking head is a flat plane, an internal circular groove is concavely arranged on the bottom end face of the stress knocking head, an internal thread structure is arranged on the inner wall of the internal circular groove, and the diameter of the internal circular groove are equal to the diameter of the bolt rod body, the left end of the bolt rod body is connected and led into the inner part of the concave circular groove through threads.
2. The fastening bolt with the detachable uniformly-stressed knocking head according to claim 1, wherein the bottom end surface of the stressed knocking head is smaller than the top end surface, the side wall of the stressed knocking head is an inward inclined surface, a plurality of uniform force rods are connected to the inclined surface of the stressed knocking head, and the lower ends of the uniform force rods are connected to the side wall of the bolt rod body.
3. The fastening bolt with the detachable uniformly-stressed knocking head as claimed in claim 1, wherein the right-most side of the bolt body is connected with the conical extrusion head, and the outer diameter of the conical extrusion head is larger than the pipe diameter of the expansion pipe sleeve.
4. The fastening bolt with the detachable uniformly-stressed knocking head according to claim 1, wherein the outer wall of the outer expanding expansion plate is convexly provided with an anti-skid pointed cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532605.9U CN213598351U (en) | 2020-11-05 | 2020-11-05 | Fastening bolt with detachable uniform-stress knocking head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532605.9U CN213598351U (en) | 2020-11-05 | 2020-11-05 | Fastening bolt with detachable uniform-stress knocking head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598351U true CN213598351U (en) | 2021-07-02 |
Family
ID=76594726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022532605.9U Expired - Fee Related CN213598351U (en) | 2020-11-05 | 2020-11-05 | Fastening bolt with detachable uniform-stress knocking head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598351U (en) |
-
2020
- 2020-11-05 CN CN202022532605.9U patent/CN213598351U/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: 20210702 Termination date: 20211105 |