CN210240202U - Straight tightening fastener - Google Patents
Straight tightening fastener Download PDFInfo
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- CN210240202U CN210240202U CN201921248009.9U CN201921248009U CN210240202U CN 210240202 U CN210240202 U CN 210240202U CN 201921248009 U CN201921248009 U CN 201921248009U CN 210240202 U CN210240202 U CN 210240202U
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Abstract
The utility model relates to a straight tightening fastener, which comprises a fastening seat with a through hole which is vertically penetrated and through for one end of a rod body to pass through, a thread fastening hole which is communicated with the through hole is arranged on the side wall of the fastening seat, a tightening stud is inserted in the thread fastening hole in a rotating way, one end of the tightening stud extends into the through hole after rotating to pass through the thread fastening hole, the other end extends out of the thread fastening hole and is connected with a hemispherical stud head, a straight open slot is arranged on the stud head, the top of the side wall of the fastening seat is connected with a first connecting plate, the upper end of the first connecting plate is connected with a second connecting plate which is parallel to the upper surface of the fastening seat, a fastening slot for inserting one end of the rod body is arranged on the lower surface of the second connecting plate and is positioned right above the through hole, a matching fastening component which is used for fastening the rod body inserted into the, the utility model provides a fastening piece is screwed up to a word that fastening strength is high, fastening effect is high and convenient to use is simple.
Description
Technical Field
The utility model relates to a fastener is screwed up to word.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. The existing straight-line tightening fastener generally comprises a fastening seat with a through hole penetrating up and down, wherein a thread fastening hole communicated with the through hole is formed in the side wall of the fastening seat, a tightening stud is inserted into the thread fastening hole in a rotating mode, one end of the tightening stud extends into the through hole after penetrating through the thread fastening hole in a rotating mode, the other end of the tightening stud extends out of the thread fastening hole and is connected with a hemispherical stud head, a straight open slot is formed in the stud head, when the straight-line tightening fastener is used, one end of a rod body to be fastened penetrates into the through hole, the tightening stud located in the thread fastening hole is rotated, one end of the tightening stud props against and fixes the side wall of the rod body in the through hole, and therefore the fastening seat replaces one end of the rod body to be in contact connection with other rod bodies, direct contact among a plurality of rod bodies is prevented, the straight-line tightening fastener with the structure is low in fastening strength for one end of the rod body, and the, the lack of fastening results in the fastening socket being easily removed from one end of the rod, and improvements are needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a fastening piece is screwed up to a word that fastening strength is high, fastening effect is high and convenient to use is simple.
The technical scheme of the utility model is realized like this: the utility model provides a word fastening and tightening part, runs through fastening seat (1) of through-hole (2) that confession barred body one end passed from top to bottom including having one, set up on fastening seat (1) lateral wall with through-hole (2) through screw fastening hole (3), rotate in screw fastening hole (3) and insert and be equipped with fastening stud (4), the one end rotation of fastening stud (4) is passed and is extended into through-hole (2) behind screw fastening hole (3), and the other end extends screw fastening hole (3) and is connected with hemispherical stud head (5) after, be provided with word open slot (6) on stud head (5), its characterized in that: the top of the side wall of the fastening seat (1) is connected with a first connecting plate (7), the upper end of the first connecting plate (7) is connected with a second connecting plate (8) parallel to the upper surface of the fastening seat (1), a fastening groove (11) for inserting one end of a rod body is arranged on the lower surface of the second connecting plate (8) and right above the through hole (2), a matching fastening component for fastening the rod body inserted into the fastening groove (11) is arranged on the second connecting plate (8), a columnar pushing column (9) is arranged on the upper surface of the second connecting plate (8), the matching fastening component comprises an air pipe (15), an annular groove (12) arranged on the inner groove wall of the fastening groove (11) along the circumferential direction and a plastic annular ring (13) covering the opening of the annular groove (12), and an air cavity (14) is formed between the plastic annular ring (13) and the annular groove (12), one end of the air pipe (15) is communicated with the air cavity (14), the other end of the air pipe penetrates out of the side wall of one side, far away from the first connecting plate (7), of the second connecting plate (8), and a control assembly used for controlling air inlet and air outlet in the air cavity (14) is arranged on the air pipe (15).
By adopting the technical scheme, when in use, one end of the rod body is inserted into the through hole (2) and penetrates through the through hole (2), one end of the rod body is inserted into the fastening groove (11) on the second connecting plate (8), the fastening stud (4) in the threaded fastening hole (3) is rotated, one end of the fastening stud (4) props up and fixes the side wall of the rod body in the through hole (2), meanwhile, the control component arranged on the air pipe (15) is opened, air is introduced into the air cavity (14) from the air pipe (15), after the air pressure in the air cavity (14) is increased, the plastic annular ring (13) at the opening of the annular groove (12) is jacked up, one end of the rod body inserted into the fastening groove (11) is extruded and fixed through the plastic annular ring (13), the fastening strength of the rod body is improved by matching with the fastening stud (4), after the ventilation and fastening are completed, the introduction of the air into the air inlet cavity (14) from the air pipe (15) is stopped, simultaneously, control assembly closes, and the intensity of the word tightening fastener fastening barred body of above-mentioned structure is high, has avoided appearing the phenomenon that fastening seat (1) drops from the barred body after the fastening, utilizes plasticity annular ring (13) and tightens double-screw bolt (4) cooperation and compress tightly fixedly to the barred body realization together, and is fixed effectual, the utility model provides a tightening fastener is tightened to the word that fastening intensity is high, fastening effect is high and convenient to use is simple.
The utility model discloses further set up to: control assembly is including setting up annular fixed plate (21) of keeping away from second connecting plate (8) one end port department at trachea (15) and being located inside control panel (22) of trachea (15), control panel (22) on the lateral wall of one side of annular fixed plate (21) through a plurality of connecting spring (23) and with control panel (22) between be provided with annular cooperation board (24) that are used for cooperation control panel (22) control to admit air and give vent to anger.
By adopting the technical scheme, when the air breather is used, one end of the air pipe (15) far away from the second connecting plate (8) is ventilated, the control plate (22) positioned in the air pipe (15) is jacked by air, the control plate (22) moves towards the second connecting plate (8), and the connecting springs (23) are pulled, after the air enters the air pipe (15), the air enters the air cavity (14) along the air pipe (15), after the air pressure in the air cavity (14) is increased, the plastic annular ring (13) positioned at the opening of the annular groove (12) is jacked up, one end of a rod body inserted into the fastening groove (11) is extruded and fixed through the plastic annular ring (13), after the ventilation is completed, the air stops being introduced into the air inlet cavity (14) from the air pipe (15), under the air pressure in the air pipe (15) and the reset acting force of the connecting springs (23), the control plate (22) moves towards the annular fixing plate (21), and squeezes the fitting control plate (22) to close one end of the air tube (15).
The utility model discloses further set up to: and a plurality of vertical stripes (16) are arranged on the inner annular wall of one side of the plastic annular ring (13) far away from the annular groove (12) at intervals along the circumferential direction.
By adopting the technical scheme, in order to further improve the fastening strength of the plastic annular ring (13) at one end of the extruded fastening rod body, a plurality of vertical stripes (16) are arranged on the inner annular wall of the plastic annular ring (13) far away from the annular groove (12) at intervals along the circumferential direction at intervals and are used for improving the relative friction force between the plastic annular ring (13) and the side wall of one end of the rod body.
The utility model discloses further set up to: the plastic annular ring (13) is made of rubber.
By adopting the technical scheme, in order to reduce the production cost, the plastic annular ring (13) is made of rubber.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partially enlarged structural diagram of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a plastic annular ring according to an embodiment of the present invention.
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 efforts belong to the protection scope of the present invention.
As shown in figures 1-3, the utility model discloses a straight tightening fastener, which comprises a fastening seat 1 having a through hole 2 for passing one end of a rod body, a threaded fastening hole 3 communicated with the through hole 2 is arranged on the side wall of the fastening seat 1, a tightening stud 4 is inserted in the threaded fastening hole 3 in a rotating way, one end of the tightening stud 4 extends into the through hole 2 after rotating through the threaded fastening hole 3, a hemispherical stud head 5 is connected after the other end extends out of the threaded fastening hole 3, a straight open slot 6 is arranged on the stud head 5, in the specific embodiment of the utility model, a first connecting plate 7 is connected with the top of the side wall of the fastening seat 1, a second connecting plate 8 parallel to the upper surface of the fastening seat 1 is connected with the upper end of the first connecting plate 7, a fastening slot 11 for inserting one end of the rod body is arranged on the lower surface of the second connecting plate 8 and right above the through hole 2, the second connecting plate 8 is provided with a matching fastening component for fastening a rod body inserted into the fastening groove 11, the upper surface of the second connecting plate 8 is provided with a columnar jacking column 9, the matching fastening component comprises an air pipe 15, an annular groove 12 arranged on the inner groove wall of the fastening groove 11 along the circumferential direction and a plastic annular ring 13 covering the opening of the annular groove 12, an air cavity 14 is formed between the plastic annular ring 13 and the annular groove 12, one end of the air pipe 15 is communicated with the air cavity 14, the other end of the air pipe penetrates out of the side wall of one side of the second connecting plate 8, which is far away from the first connecting plate 7, and the air pipe 15 is provided with a control component for controlling air inlet and outlet in the air cavity 14.
By adopting the technical scheme, when in use, one end of the rod body is inserted into the through hole 2 and penetrates through the through hole 2, one end of the rod body is inserted into the fastening groove 11 on the second connecting plate 8, the fastening stud 4 in the threaded fastening hole 3 is rotated, one end of the fastening stud 4 is enabled to support and fix the side wall of the rod body in the through hole 2, meanwhile, the control component arranged on the air pipe 15 is opened, air is introduced into the air cavity 14 from the air pipe 15, the plastic annular ring 13 at the opening of the annular groove 12 is jacked up after the air pressure in the air cavity 14 is increased, one end of the rod body inserted into the fastening groove 11 is extruded and fixed through the plastic annular ring 13, the fastening strength of the rod body is improved by matching with the fastening stud 4, after the air ventilation and fastening are completed, the air introduction into the air inlet cavity 14 from the air pipe 15 is stopped, meanwhile, the control component is closed, and the strength of the straight-line-shaped fastening fastener fastening rod, avoided appearing the phenomenon that fastening seat 1 drops from the barred body after the fastening, utilized plasticity annular ring 13 and screw up double-screw bolt 4 cooperation to realize compressing tightly fixedly to the barred body together, fixed effectual, the utility model provides a fastening intensity is high, fastening effect is high and simple to use's a word tightening fastener.
The utility model discloses in the concrete embodiment, the control assembly is including setting up the annular fixed plate 21 of keeping away from 8 end port departments of second connecting plate at trachea 15 and being located the inside control panel 22 of trachea 15, control panel 22 towards on one side lateral wall of annular fixed plate 21 through a plurality of coupling spring 23 and with control panel 22 between be provided with be used for cooperating annular cooperation board 24 that control panel 22 control was admitted air and is given vent to anger.
Through adopting above-mentioned technical scheme, when using, keep away from the one end of second connecting plate 8 from trachea 15 and ventilate, control panel 22 that gaseous top was located trachea 15, make control panel 22 remove to second connecting plate 8 direction, and stimulate a plurality of connecting spring 23, gaseous back that enters into trachea 15, enter into air cavity 14 along trachea 15, behind the increase of air pressure in air cavity 14, the liftout is located the plasticity annular ring 13 of ring channel 12 opening part, extrude fixedly through plasticity annular ring 13 to the barred body one end that inserts in fastening groove 11, accomplish the back of ventilating, stop letting in gaseous chamber 14 of admitting air from trachea 15, under the inside atmospheric pressure of trachea 15 and the reset effort of a plurality of connecting spring 23, control panel 22 moves to annular fixed plate 21 direction, and extrude the one end of closed trachea 15 on the cooperation control panel 22.
In the embodiment of the present invention, a plurality of vertical stripes 16 are circumferentially spaced at equal intervals on an inner annular wall of the plastic annular ring 13 on a side thereof away from the annular groove 12.
By adopting the technical scheme, in order to further improve the fastening strength of the plastic annular ring 13 at one end of the extruded fastening rod body, a plurality of vertical stripes 16 are arranged on the inner annular wall of the plastic annular ring 13 at one side far away from the annular groove 12 at intervals along the circumferential direction, and are used for improving the relative friction force between the plastic annular ring 13 and the side wall of one end of the rod body.
In the embodiment of the present invention, the plastic annular ring 13 is made of rubber.
By adopting the technical scheme, in order to reduce the production cost, the plastic annular ring 13 is made of rubber.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a word fastening and tightening part, runs through fastening seat (1) of through-hole (2) that confession barred body one end passed from top to bottom including having one, set up on fastening seat (1) lateral wall with through-hole (2) through screw fastening hole (3), rotate in screw fastening hole (3) and insert and be equipped with fastening stud (4), the one end rotation of fastening stud (4) is passed and is extended into through-hole (2) behind screw fastening hole (3), and the other end extends screw fastening hole (3) and is connected with hemispherical stud head (5) after, be provided with word open slot (6) on stud head (5), its characterized in that: the top of the side wall of the fastening seat (1) is connected with a first connecting plate (7), the upper end of the first connecting plate (7) is connected with a second connecting plate (8) parallel to the upper surface of the fastening seat (1), a fastening groove (11) for inserting one end of a rod body is arranged on the lower surface of the second connecting plate (8) and right above the through hole (2), a matching fastening component for fastening the rod body inserted into the fastening groove (11) is arranged on the second connecting plate (8), a columnar pushing column (9) is arranged on the upper surface of the second connecting plate (8), the matching fastening component comprises an air pipe (15), an annular groove (12) arranged on the inner groove wall of the fastening groove (11) along the circumferential direction and a plastic annular ring (13) covering the opening of the annular groove (12), and an air cavity (14) is formed between the plastic annular ring (13) and the annular groove (12), one end of the air pipe (15) is communicated with the air cavity (14), the other end of the air pipe penetrates out of the side wall of one side, far away from the first connecting plate (7), of the second connecting plate (8), and a control assembly used for controlling air inlet and air outlet in the air cavity (14) is arranged on the air pipe (15).
2. The in-line screw fastener of claim 1, wherein: control assembly is including setting up annular fixed plate (21) of keeping away from second connecting plate (8) one end port department at trachea (15) and being located inside control panel (22) of trachea (15), control panel (22) on the lateral wall of one side of annular fixed plate (21) through a plurality of connecting spring (23) and with control panel (22) between be provided with annular cooperation board (24) that are used for cooperation control panel (22) control to admit air and give vent to anger.
3. The in-line screw fastener according to claim 1 or 2, wherein: and a plurality of vertical stripes (16) are arranged on the inner annular wall of one side of the plastic annular ring (13) far away from the annular groove (12) at intervals along the circumferential direction.
4. The in-line screw fastener according to claim 1 or 2, wherein: the plastic annular ring (13) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248009.9U CN210240202U (en) | 2019-08-02 | 2019-08-02 | Straight tightening fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248009.9U CN210240202U (en) | 2019-08-02 | 2019-08-02 | Straight tightening fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210240202U true CN210240202U (en) | 2020-04-03 |
Family
ID=69963669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921248009.9U Active CN210240202U (en) | 2019-08-02 | 2019-08-02 | Straight tightening fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210240202U (en) |
-
2019
- 2019-08-02 CN CN201921248009.9U patent/CN210240202U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of straight tightening fastener Effective date of registration: 20230512 Granted publication date: 20200403 Pledgee: Bank of China Limited Lishui Branch Pledgor: Zhejiang Iron King Precision Hardware Manufacturing Co.,Ltd. Registration number: Y2023330000911 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |