CN210978156U - Screw attached lock device - Google Patents
Screw attached lock device Download PDFInfo
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- CN210978156U CN210978156U CN201921548101.7U CN201921548101U CN210978156U CN 210978156 U CN210978156 U CN 210978156U CN 201921548101 U CN201921548101 U CN 201921548101U CN 210978156 U CN210978156 U CN 210978156U
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Abstract
The utility model discloses a screw attaches locking device, including the screw post, the screw post comprises head and screw rod, and one side of head has run through the work piece by the screw rod, and one side that the head was kept away from to the work piece is equipped with the preforming, and the preforming cup joints on the screw rod of screw post, and one side fixedly connected with wave spring of work piece is kept away from to the preforming, and wave spring's other end fixedly connected with nut post one, and the inboard cover of nut post one is equipped with nut post two, and nut post two is through threaded connection screw post, the utility model discloses simple structure, the cost is cheap, can give a fixed power of screw post through wave spring, avoids the different work piece deformations that cause of different screw atress, and preforming, nut post two and fastening nut when can playing the effect of nut, reduce because the screw that the work piece rocked the production is not hard up, improve the security.
Description
Technical Field
The utility model relates to a screw specifically is a screw attaches locking device.
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. Screws are a common term for fasteners, a common spoken word. The screw is indispensable industry requisite in daily life: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles, and the like are used with screws of different sizes.
The existing screw is connected through a simple nut through threads, a workpiece which frequently shakes is met, the nut is easy to loosen under the action of a long time, connection failure is caused, and when the screw is tightened, the tightening force of different people is different, and uneven stress inside the workpiece is easily caused. Accordingly, one skilled in the art provides a screw attaching and locking device to solve the above problems of the background art.
Disclosure of Invention
An object of the utility model is to provide a screw attaches locking device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a screw attaches locking device, including the screw post, the screw post comprises head and screw rod, one side of head has run through the work piece by the screw rod, one side that the head was kept away from to the work piece is equipped with the preforming, the preforming cup joints on the screw rod of screw post, one side fixedly connected with wave spring of work piece is kept away from to the preforming, wave spring's other end fixedly connected with nut post one, the inboard cover of nut post one is equipped with nut post two, nut post two is through threaded connection screw post, the one end cross-section that the work piece was kept away from to nut post two is the taper type, one side that the preforming was kept away from to nut post two is located between nut post one and the screw post through threaded.
As a further aspect of the present invention: the pressing sheet is annular, the outside material of pressing sheet is steel, sets gradually viscidity bed course and elastic cushion layer from inside to outside towards one side of work piece, and the elastic cushion layer is located the pressing sheet and is the steel sheet structure far away from one side of work piece for the pressfitting between nut post two and the work piece.
As a further aspect of the present invention: the nut column II is sequentially provided with a cylinder, a first thread and a second thread from one end close to the workpiece to the outer side of the other end, the first thread is used for clamping the nut column I, and the second thread is used for clamping the fastening nut.
As a further aspect of the present invention: the screw threads of the screw post points of the conical surface threads of the nut post II are the same, so that the fastening nut can be used for fixing the screw post and the nut post II at the same time, and the outer sides of the nut post I and the fastening nut are of hexagonal structures and used for screwing.
As a further aspect of the present invention: and the joint contact position of the first nut column, the second nut column and the fastening nut is provided with a first elastic clamping piece for relieving the stress in the member.
As a further aspect of the present invention: and a steel ring is fixedly arranged on the outer side of the first nut column close to the neck of the fastening nut and used for reinforcing the structural rigidity of the first nut column.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure, the cost is cheap, can give a fixed power of screw post through wave spring, avoids different screw atresss different work pieces that cause to warp, and preforming, nut post one, nut post two and fastening nut when can playing the effect of nut reduce because the work piece rocks the screw thread of production not hard up, improve the security.
Drawings
Fig. 1 is a schematic structural view of a screw-attached locking device.
Fig. 2 is a schematic structural view of a pressing plate in a screw-attached locking device.
Fig. 3 is a schematic structural view of a nut post ii in the screw-attached locking device.
In the figure: 1. a screw post; 2. a workpiece; 3. tabletting; 4. an elastic cushion layer; 5. an adhesive cushion layer; 6. a wave spring; 7. a first nut column; 8. a second nut column; 9. the elastic clamping piece I; 10. a second elastic clamping piece; 11. fastening a nut; 12. and (4) a steel ring.
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.
Please refer to fig. 1-3, in an embodiment of the present invention, a screw locking device includes a screw post 1, the screw post 1 is composed of a head and a screw rod, a workpiece 2 penetrates through one side of the head and the screw rod, a pressing sheet 3 is disposed on one side of the workpiece 2 far away from the head, the pressing sheet 3 is sleeved on the screw rod of the screw post 1, one side of the pressing sheet 3 far away from the workpiece 2 is fixedly connected with a wave spring 6, the other end of the wave spring 6 is fixedly connected with a nut post one 7, an inner side sleeve of the nut post one 7 is provided with a nut post two 8, the nut post two 8 is connected with the screw post 1 through a thread, a cross section of one end of the nut post two 8 far away from the workpiece 2 is in a conical shape, one side of the nut post two 8 far away from the pressing sheet 3 is located.
The pressing sheet 3 is in a circular ring shape, the outside material of the pressing sheet 3 is steel, the viscous cushion layer 5 and the elastic cushion layer 4 are sequentially arranged from inside to outside on one side of the workpiece 2, and the side, away from the workpiece 2, of the elastic cushion layer 4 is located on the pressing sheet 3 and is of a steel sheet structure for pressing between the nut column II 8 and the workpiece 2.
The second nut column 8 is sequentially provided with a cylinder, a first thread and a second thread from one end close to the workpiece 2 to the outer side of the other end, the first thread is used for clamping the first nut column 7, and the second thread is used for clamping the fastening nut 11.
The threads of the conical surface threads of the second nut column 8 and the threads of the first nut column 1 are the same, so that the fastening nut 11 can fix the second nut column 8 and the first nut column 7 simultaneously, and the outer sides of the fastening nut 11 and the first nut column 7 are of hexagonal structures and used for screwing.
And the contact surface of the end part of the nut post II 8 and the fastening nut 11 is provided with an elastic clamping piece II 10, and the common contact position of the nut post I7, the nut post II 8 and the fastening nut 11 is provided with an elastic clamping piece I9 for relieving the stress in the member.
And a steel ring 12 is fixedly arranged on the outer side of the nut post I7 close to the neck of the fastening nut 11 and is used for reinforcing the structural rigidity of the nut post I7.
The utility model discloses a theory of operation is: when the nut post is used, the screw post 1 penetrates into a cavity of a workpiece 2, the nut post I7 and the nut post II 8 are sleeved on the screw post 1, the nut post I7 is screwed, the nut post I7 is firstly pressed on the nut post II 8, the nut post II 8 is further driven to move towards the workpiece 2, the pressing sheet 3 is attached to the workpiece 2, the wave spring 6 is compressed, the fastening effect is improved, when one end of the nut post II 8 is abutted to the pressing sheet 3, the nut post I8 is determined to be screwed, then the elastic clamping piece I9 and the elastic clamping piece II 10 are installed on the nut post II 8, the fastening nut 11 is screwed through threads of a conical surface thread screw of the nut post II 8 at a point 1, the nut post II 8 is further fixed, the locking purpose is achieved, and the situation that the screw is loosened due to long-time stress is prevented, and further accidents are caused.
The utility model discloses simple structure, the cost is cheap, can give 1 fixed power of screw post through wave spring 6, avoids the different work piece deformations that cause of different screw atress, preforming 3, nut post 7, nut post two 8 and fastening nut 11 when can playing the effect of nut, reduce because work piece 2 rocks the screw thread of production not hard up, improves the security.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A screw auxiliary locking device comprises a screw post (1) and is characterized in that the screw post (1) is composed of a head and a screw rod, a workpiece (2) penetrates through one side of the head through the screw rod, a pressing sheet (3) is arranged on one side, far away from the head, of the workpiece (2), the pressing sheet (3) is sleeved on the screw rod of the screw post (1), one side, far away from the workpiece (2), of the pressing sheet (3) is fixedly connected with a wave spring (6), the other end of the wave spring (6) is fixedly connected with a nut post I (7), a nut post II (8) is sleeved on the inner side of the nut post I (7), the nut post II (8) is connected with the screw post (1) through threads, the cross section of one end, far away from the workpiece (2), of the nut post, one side of the second nut column (8) far away from the pressing sheet (3) is positioned between the first nut column (7) and the screw column (1) and is connected with a fastening nut (11) through threads.
2. The screw attached lock device is characterized in that the pressing sheet (3) is annular, the outer side of the pressing sheet (3) is made of steel, the adhesive cushion layer (5) and the elastic cushion layer (4) are sequentially arranged from inside to outside on one side facing the workpiece (2), and the side, away from the workpiece (2), of the elastic cushion layer (4) is located on the pressing sheet (3) and is of a steel sheet structure.
3. A screw attachment lock device according to claim 1, characterized in that the nut shank two (8) is cylindrical, threaded one and threaded two in order from the end close to the workpiece (2) to the outside of the other end.
4. A screw locking device according to claim 1, wherein the conical thread of the second nut stud (8) is the same as the thread of the point of the screw stud (1), and the outer sides of the first nut stud (7) and the fastening nut (11) are of hexagonal configuration.
5. A screw-attached locking device as claimed in claim 1, characterized in that the contact surface of the end of the nut post two (8) and the fastening nut (11) is provided with a resilient clip two (10), and the common contact position of the nut post one (7), the nut post two (8) and the fastening nut (11) is provided with a resilient clip one (9).
6. A screw attachment lock according to claim 1, characterized in that a steel ring (12) is fixedly arranged on the outside of the nut stud one (7) near the neck of the fastening nut (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921548101.7U CN210978156U (en) | 2019-09-18 | 2019-09-18 | Screw attached lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921548101.7U CN210978156U (en) | 2019-09-18 | 2019-09-18 | Screw attached lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978156U true CN210978156U (en) | 2020-07-10 |
Family
ID=71460933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921548101.7U Active CN210978156U (en) | 2019-09-18 | 2019-09-18 | Screw attached lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978156U (en) |
-
2019
- 2019-09-18 CN CN201921548101.7U patent/CN210978156U/en active Active
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