CN212839699U - Fastening screw - Google Patents
Fastening screw Download PDFInfo
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- CN212839699U CN212839699U CN202021326580.0U CN202021326580U CN212839699U CN 212839699 U CN212839699 U CN 212839699U CN 202021326580 U CN202021326580 U CN 202021326580U CN 212839699 U CN212839699 U CN 212839699U
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- rod
- sealing block
- screw
- fastening screw
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Abstract
The utility model relates to a screw design field, concretely relates to fastening screw. The fastening screw comprises a screw rod and a screw cap; the top of the nut is provided with a cavity, a supporting rod is arranged on the outer side of the cavity, a ring sleeve is arranged on the outer side of the supporting rod, a sealing block is arranged on the top of the cavity, a cross-shaped notch is formed in the top surface of the sealing block, a sealing edge is formed in the top of the sealing block, an internal thread is formed in one side, close to the cavity, of the supporting rod, an external thread is arranged on the outer side of the sealing block, the supporting rod is in threaded connection with the sealing block, a hole groove is formed in the nut, the supporting rod is arranged in the; the bottom of the nut is provided with an annular groove; a limiting cross rod is arranged in the annular groove; a transmission rod is inserted in the limiting cross rod; an elastic component is arranged above the transmission rod; one end of the elastic component is connected with the transmission rod, and the other end of the elastic component is connected with the bottom wall of the annular groove; an annular pressing plate is connected below the transmission rod.
Description
Technical Field
The utility model relates to a screw design field, concretely relates to fastening screw.
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 easy to loosen and has poor fastening effect.
Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model is realized in such a way that the fastening screw comprises a screw rod and a nut; the top of the nut is provided with a cavity, a supporting rod is arranged on the outer side of the cavity, a ring sleeve is arranged on the outer side of the supporting rod, a sealing block is arranged on the top of the cavity, a cross-shaped notch is formed in the top surface of the sealing block, a sealing edge is formed in the top of the sealing block, an internal thread is formed in one side, close to the cavity, of the supporting rod, an external thread is arranged on the outer side of the sealing block, the supporting rod is in threaded connection with the sealing block, a hole groove is formed in the nut, the supporting rod is arranged in the;
the bottom of the nut is provided with an annular groove; a limiting cross rod is arranged in the annular groove; a transmission rod is inserted in the limiting cross rod; an elastic component is arranged above the transmission rod; one end of the elastic component is connected with the transmission rod, and the other end of the elastic component is connected with the bottom wall of the annular groove; an annular pressing plate is connected below the transmission rod.
More specifically, the elastic component comprises a telescopic column and a spring; one end of the telescopic column is connected with the transmission rod, and the other end of the telescopic column is connected with the bottom wall of the annular groove; the spring is sleeved on the outer wall of the telescopic column.
More specifically, the inner diameter of the annular groove is larger than the outer diameter of the screw.
More specifically, the inner diameter of the annular pressing plate is larger than the outer diameter of the screw.
More specifically, in order to strengthen the fastening effect, the annular is propped the bottom of clamp plate and is equipped with elastic bulge.
More specifically, in order to strengthen the fastening effect, the screw rod is evenly provided with the screw thread, and one side of the screw thread is fixedly provided with a semi-circle blue anti-loosening glue.
More specifically, the nut shape sets up to the hexagon, the block shape sets up to circular.
The working process of the utility model is that the screw cap is sleeved by the wrench, so that the screw rod is screwed into the screw hole, at the moment, the annular pressing plate is abutted with the outer side of the screw hole, and the elastic component is compressed through the transmission rod, and the fastening effect is enhanced under the action of the elastic force; meanwhile, after the screw is screwed into the screw hole, the wrench is taken out, the screwdriver head is aligned to the cross notch, the sealing block is rotated to enable the sealing block to enter the cavity, the sealing block rotates to drive the supporting rod to prop the ring sleeve open, after the sealing block completely enters the cavity, the sealing edge is sealed to increase the sealing effect of the sealing block, the ring sleeve completely blocks the outer side of the screw cap at the moment, and the anti-theft effect of the screw is increased.
The utility model relates to a fastening screw through reasonable structure setting, and the theftproof performance is strong, and fastening effect is good.
Drawings
Fig. 1 is a schematic structural view of a fastening screw according to the present invention;
fig. 2 is a top view of a fastening screw according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
The present invention provides a preferred embodiment, which is realized by a fastening screw, comprising a screw rod 1 and a nut 2; the top of the nut 2 is provided with a cavity 201, a supporting rod 202 is arranged on the outer side of the cavity 201, a ring sleeve 203 is arranged on the outer side of the supporting rod 202, a sealing block 204 is arranged on the top of the cavity 201, a cross-shaped notch 205 is arranged on the top surface of the sealing block 204, a sealing edge 206 is arranged on the top of the sealing block 204, an internal thread is arranged on one side, close to the cavity 201, of the supporting rod 202, an external thread is arranged on the outer side of the sealing block 204, the supporting rod 202 is in threaded connection with the sealing block 204, a hole groove is formed in the nut 2, the supporting rod 202 is arranged in the hole groove;
the bottom of the screw cap 2 is provided with an annular groove 207; a limiting cross rod 208 is arranged in the annular groove 207; a transmission rod 209 is inserted into the limiting cross rod 208; an elastic component is arranged above the transmission rod 209; one end of the elastic component is connected with the transmission rod 209, and the other end of the elastic component is connected with the bottom wall of the annular groove 207; an annular pressure-bearing plate 210 is connected below the transmission rod 209.
More specifically, the elastic component includes a telescopic column 211 and a spring 212; one end of the telescopic column 211 is connected with the transmission rod 209, and the other end is connected with the bottom wall of the annular groove 207; the spring 212 is sleeved on the outer wall of the telescopic column 211.
More specifically, the inner diameter of the annular groove 207 is larger than the outer diameter of the screw 1.
More specifically, the inner diameter of the annular pressing plate 210 is larger than the outer diameter of the screw 1.
More specifically, in order to enhance the fastening effect, the bottom of the annular pressing plate 210 is provided with an elastic protrusion 213.
More specifically, in order to strengthen the fastening effect, the screw thread 11 is uniformly arranged on the screw rod 1, and a half-cycle blue anti-loosening glue 12 is fixedly arranged on one side of the screw thread.
More specifically, the nut 2 is hexagonal in shape, and the sealing block 204 is circular in shape.
The working process of the utility model is that the screw cap 2 is sleeved by the wrench, so that the screw rod 1 is screwed into the screw hole, at the moment, the annular pressing plate 210 is abutted with the outer side of the screw hole, and the elastic component is compressed through the transmission rod 209, and the fastening effect is enhanced under the action of the elastic force; meanwhile, after the screw 1 is screwed into the screw hole, the wrench is taken away, the screwdriver head is aligned with the cross notch 205, the sealing block 204 is rotated to enable the sealing block 204 to enter the cavity 201, the sealing block 204 rotates to drive the supporting rod 202 to expand the ring sleeve 203, after the sealing block 204 completely enters the cavity 201, the sealing edge 206 increases the sealing effect of the sealing block 204, and at the moment, the ring sleeve 203 completely blocks the outer side of the nut 2, so that the anti-theft effect of the screw is increased. The utility model relates to a fastening screw through reasonable structure setting, and the theftproof performance is strong, and fastening effect is good.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A fastening screw, characterized by: the fastening screw comprises a screw rod and a screw cap; the top of the nut is provided with a cavity, a supporting rod is arranged on the outer side of the cavity, a ring sleeve is arranged on the outer side of the supporting rod, a sealing block is arranged on the top of the cavity, a cross-shaped notch is formed in the top surface of the sealing block, a sealing edge is formed in the top of the sealing block, an internal thread is formed in one side, close to the cavity, of the supporting rod, an external thread is arranged on the outer side of the sealing block, the supporting rod is in threaded connection with the sealing block, a hole groove is formed in the nut, the supporting rod is arranged in the;
the bottom of the nut is provided with an annular groove; a limiting cross rod is arranged in the annular groove; a transmission rod is inserted in the limiting cross rod; an elastic component is arranged above the transmission rod; one end of the elastic component is connected with the transmission rod, and the other end of the elastic component is connected with the bottom wall of the annular groove; an annular pressing plate is connected below the transmission rod.
2. A fastening screw according to claim 1, characterized in that: the elastic component comprises a telescopic column and a spring; one end of the telescopic column is connected with the transmission rod, and the other end of the telescopic column is connected with the bottom wall of the annular groove; the spring is sleeved on the outer wall of the telescopic column.
3. A fastening screw according to claim 1, characterized in that: the inner diameter of the annular groove is larger than the outer diameter of the screw rod.
4. A fastening screw according to claim 1, characterized in that: the inner diameter of the annular pressing plate is larger than the outer diameter of the screw.
5. A fastening screw according to claim 1, characterized in that: the bottom of the annular pressing plate is provided with an elastic bulge.
6. A fastening screw according to claim 1, characterized in that: the screw rod is evenly provided with threads, and one side of each thread is fixedly provided with a half-cycle blue anti-loosening rubber.
7. A fastening screw according to claim 1, characterized in that: the nut shape sets up to the hexagon, the sealing block shape sets up to circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326580.0U CN212839699U (en) | 2020-07-08 | 2020-07-08 | Fastening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326580.0U CN212839699U (en) | 2020-07-08 | 2020-07-08 | Fastening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839699U true CN212839699U (en) | 2021-03-30 |
Family
ID=75182199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021326580.0U Active CN212839699U (en) | 2020-07-08 | 2020-07-08 | Fastening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839699U (en) |
-
2020
- 2020-07-08 CN CN202021326580.0U patent/CN212839699U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |