CN213039627U - Screw fastener with replaceable head - Google Patents
Screw fastener with replaceable head Download PDFInfo
- Publication number
- CN213039627U CN213039627U CN202021660081.5U CN202021660081U CN213039627U CN 213039627 U CN213039627 U CN 213039627U CN 202021660081 U CN202021660081 U CN 202021660081U CN 213039627 U CN213039627 U CN 213039627U
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- reinforcing
- screw
- rod
- side wall
- groove
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 49
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of screw fasteners, in particular to a screw fastener with a replaceable head, which comprises a screw cap, a reinforcing plate is fixedly arranged on the lower side wall of the screw cap, an installation groove is arranged on the lower side wall of the reinforcing plate, a screw rod is arranged in the mounting groove in a contact manner, a rod wall of the screw rod is provided with threads, the rod wall threads of the screw rod are provided with nuts, the upper end of the reinforcing plate is provided with symmetrical reinforcing grooves, the adjacent ends of the two reinforcing grooves are provided with grooves, the inside slip of reinforced groove is provided with the anchor strut, two the anchor strut all runs through the lower lateral wall in reinforced groove and extends to the lower extreme, two the upper end of anchor strut is all fixed and is provided with the wedge, makes and stabilizes fixedly between screw rod and the gusset plate, and after the long-time use of being convenient for, when the nut corrosion can not be used, can quick replacement nut.
Description
Technical Field
The utility model relates to a screw fastener technical field specifically is a screw fastener of removable head.
Background
The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. A screw is a general term for a fastener, and generally includes a screw head and a screw shaft, which is fixedly connected to the screw head.
The bolt head can be rusted after the previous screw fastener is used for a long time, the screw rod is difficult to disassemble, and the use is inconvenient, so that the screw fastener with the replaceable head is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a screw fastener of removable head to the screw fastener head in the past that proposes in solving above-mentioned background can not change, long-time the use back, and the head can take place the corrosion, and is inconvenient to screw fastener carries out the problem of dismantling.
In order to achieve the above object, the utility model provides a following technical scheme: a screw fastener with a replaceable head comprises a screw cap, wherein a reinforcing plate is fixedly arranged on the lower side wall of the screw cap, a mounting groove is formed in the lower side wall of the reinforcing plate, a screw rod is arranged in the mounting groove in a contact manner, a rod wall of the screw rod is provided with a thread, the rod wall thread of the screw rod is provided with a nut, symmetrical reinforcing grooves are formed in the upper end of the reinforcing plate, two adjacent ends of the reinforcing grooves are respectively provided with a groove, a reinforcing rod is arranged in the reinforcing groove in a sliding manner, the two reinforcing rods penetrate through the lower side wall of the reinforcing groove and extend to the lower end of the reinforcing groove, wedge blocks are fixedly arranged at the upper ends of the two reinforcing rods, connecting rods are fixedly arranged on the upper side walls of the two wedge blocks, connecting blocks are fixedly arranged at the upper ends of the two connecting rods, first springs are fixedly sleeved on the rod walls of the two reinforcing rods, and the upper ends of the two first springs are, two the lower extreme of first spring all with the lower lateral wall fixed connection in reinforced groove, two the inside of recess transversely is provided with the kelly, the draw-in groove of symmetry is seted up at the both ends of screw rod, two the lateral wall that the recess was all run through to the adjacent one end of kelly extend to the outside and with joint between the draw-in groove, two the one end that the kelly deviates from all fixedly is provided with contact block, two the one end that contact block deviates from all with the lateral wall contact of wedge is connected, two the pole wall of kelly is all fixed the second spring that has cup jointed, two the adjacent one end of second spring all with the lateral wall fixed connection of recess, two the one end that the second spring deviates from all with the lateral wall fixed connection of contact block.
Preferably, a reinforcing magnet is fixedly arranged at the lower end of the screw rod.
Preferably, an inner hexagonal groove is formed in the upper side wall of the nut, and a first anti-slip ring is fixedly arranged inside the inner hexagonal groove.
Preferably, a second anti-slip ring is fixedly arranged outside the screw cap.
Preferably, the screw is made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that:
through the common cooperation of kelly, contact piece, second spring, anchor strut, wedge, connecting rod, connecting block and first spring, make and stabilize fixedly between screw rod and the gusset plate, be convenient for use for a long time after, when the nut corrosion can not be used, can quick replacement nut.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the reinforcing device comprises a nut 1, a reinforcing plate 2, a screw rod 3, a nut 4, a reinforcing rod 5, a wedge-shaped block 6, a connecting rod 7, a connecting block 8, a first spring 9, a clamping rod 10, a contact block 11, a second spring 12, a first anti-skid ring 13, a second anti-skid ring 14 and a reinforcing magnet 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-2, the present invention provides a technical solution: a screw fastener with a replaceable head comprises a screw cap 1, wherein a reinforcing plate 2 is fixedly arranged on the lower side wall of the screw cap 1, a mounting groove is formed in the lower side wall of the reinforcing plate 2, a screw rod 3 is arranged in contact with the inside of the mounting groove, a rod wall of the screw rod 3 is provided with a thread, the thread of the rod wall of the screw rod 3 is provided with a nut 4, the upper end of the reinforcing plate 2 is provided with symmetrical reinforcing grooves, one end of each reinforcing groove adjacent to the corresponding reinforcing groove is provided with a groove, a reinforcing rod 5 is slidably arranged inside the corresponding reinforcing groove, the two reinforcing rods 5 penetrate through the lower side wall of the corresponding reinforcing groove and extend to the lower end of the corresponding reinforcing groove, wedge blocks 6 are fixedly arranged at the upper ends of the two reinforcing rods 5, connecting rods 7 are fixedly arranged on the upper side walls of the two wedge blocks 6, connecting blocks 8 are fixedly arranged at the upper ends of the two connecting rods 7, first springs 9 are fixedly sleeved on, the lower ends of the two first springs 9 are fixedly connected with the lower side wall of the reinforcing groove, clamping rods 10 are transversely arranged in the two grooves, symmetrical clamping grooves are formed in two ends of the screw rod 3, the adjacent ends of the two clamping rods 10 penetrate through the side walls of the grooves to extend to the outside and are clamped between the clamping grooves, contact blocks 11 are fixedly arranged at the deviated ends of the two clamping rods 10, the deviated ends of the two contact blocks 11 are in contact connection with the side wall of the wedge-shaped block 6, the rod walls of the two clamping rods 10 are fixedly sleeved with second springs 12, the adjacent ends of the two second springs 12 are fixedly connected with the side wall of the groove, the deviated ends of the two second springs 12 are fixedly connected with the side wall of the contact blocks 11, and when the nut 1 is rusted for a long time, the nut 1 can be conveniently and quickly replaced;
a reinforcing magnet 15 is fixedly arranged at the lower end of the screw rod;
an inner hexagonal groove is formed in the upper side wall of the nut 1, and a first anti-slip ring 13 is fixedly arranged inside the inner hexagonal groove;
a second anti-skid ring 14 is fixedly arranged outside the screw cap 1;
the screw 3 is made of stainless steel.
The working principle is as follows: during the use, long-time back of using, nut 1 takes place the corrosion, when can not carrying out the dismouting to screw rod 3, pulling connecting block 8, connecting block 8 drives down the 7 motions of lateral wall fixed connection's connecting rod, connecting rod 7 drives down the 6 motions of lateral wall fixed connection's wedge, wedge 6 drives down lateral wall fixed connection's anchor strut 5 and removes, make separately between anchor strut 5 and the article, separately between wedge 6 and the contact patch 11, second spring 12 promotes left side wall fixed connection's contact patch 11, separate between contact patch 11 drives right side wall fixed connection's kelly 10 and the draw-in groove, dismantle nut 1 fast, the quick replacement nut 1 of being convenient for.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The screw fastener with the replaceable head comprises a screw cap (1) and is characterized in that a reinforcing plate (2) is fixedly arranged on the lower side wall of the screw cap (1), a mounting groove is formed in the lower side wall of the reinforcing plate (2), a screw rod (3) is arranged in the mounting groove in a contact manner, a screw thread is formed in the rod wall of the screw rod (3), a nut (4) is arranged on the rod wall thread of the screw rod (3), symmetrical reinforcing grooves are formed in the upper end of the reinforcing plate (2), a groove is formed in one end, adjacent to each other, of each reinforcing groove, reinforcing rods (5) are arranged in the reinforcing grooves in a sliding manner, each reinforcing rod (5) penetrates through the lower side wall of each reinforcing groove and extends to the lower end, wedge blocks (6) are fixedly arranged at the upper ends of the two reinforcing rods (5), and a connecting rod (7) is fixedly arranged on the upper side wall of each wedge block (6, the upper ends of the two connecting rods (7) are fixedly provided with connecting blocks (8), the rod walls of the two reinforcing rods (5) are fixedly sleeved with first springs (9), the upper ends of the two first springs (9) are fixedly connected with the lower side wall of the wedge-shaped block (6), the lower ends of the two first springs (9) are fixedly connected with the lower side wall of the reinforcing groove, clamping rods (10) are transversely arranged in the grooves, symmetrical clamping grooves are formed in the two ends of the screw rod (3), the adjacent ends of the two clamping rods (10) penetrate through the side wall of the groove and extend to the outside and are clamped between the clamping grooves, contact blocks (11) are fixedly arranged at the ends, deviating from the contact blocks (11), of the side wall of the wedge-shaped block (6) is connected in a contact mode, second springs (12) are fixedly sleeved on the rod walls of the two clamping rods (10), two the adjacent one end of second spring (12) all with the lateral wall fixed connection of recess, two the one end that second spring (12) deviates from all with the lateral wall fixed connection of contact piece (11).
2. A replaceable head screw fastener as defined in claim 1, wherein: and a reinforcing magnet (15) is fixedly arranged at the lower end of the screw rod.
3. A replaceable head screw fastener as defined in claim 1, wherein: an inner hexagonal groove is formed in the upper side wall of the nut (1), and a first anti-slip ring (13) is fixedly arranged inside the inner hexagonal groove.
4. A replaceable head screw fastener as defined in claim 1, wherein: and a second anti-skid ring (14) is fixedly arranged outside the screw cap (1).
5. A replaceable head screw fastener as defined in claim 1, wherein: the screw rod (3) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021660081.5U CN213039627U (en) | 2020-08-11 | 2020-08-11 | Screw fastener with replaceable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021660081.5U CN213039627U (en) | 2020-08-11 | 2020-08-11 | Screw fastener with replaceable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039627U true CN213039627U (en) | 2021-04-23 |
Family
ID=75530927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021660081.5U Active CN213039627U (en) | 2020-08-11 | 2020-08-11 | Screw fastener with replaceable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607049A (en) * | 2022-04-07 | 2022-06-10 | 江西建邦科技有限公司 | Detachable light steel house |
-
2020
- 2020-08-11 CN CN202021660081.5U patent/CN213039627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607049A (en) * | 2022-04-07 | 2022-06-10 | 江西建邦科技有限公司 | Detachable light steel house |
| CN114607049B (en) * | 2022-04-07 | 2023-09-22 | 江西建邦科技有限公司 | Detachable light steel house |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240508 Address after: No. 103, 1st Floor, Building 25, South Section 2039, Tianfu Avenue, Huayang Street, Tianfu New District, Chengdu City, Sichuan Province, 610000 Patentee after: Sichuan Fuwei Construction Engineering Co.,Ltd. Country or region after: China Address before: 215437 donghanshang precision hardware (Taicang) Co., Ltd., village committee of Yuewang Yuexing village, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: Osaka precision hardware (Taicang) Co.,Ltd. Country or region before: China |