CN212838870U - Combined screw - Google Patents
Combined screw Download PDFInfo
- Publication number
- CN212838870U CN212838870U CN202021330576.1U CN202021330576U CN212838870U CN 212838870 U CN212838870 U CN 212838870U CN 202021330576 U CN202021330576 U CN 202021330576U CN 212838870 U CN212838870 U CN 212838870U
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- Prior art keywords
- screw
- thread structure
- cap
- hole
- screw body
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- Expired - Fee Related
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- 230000010354 integration Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a combined screw, which comprises a first screw and a second screw; the first screw comprises a first screw cap and a first screw body; a screw hole is formed in the first screw body, and an internal thread structure is arranged on the inner wall of the screw hole; the first screw cap is arranged at the top of the first screw body and provided with an opening communicated with the screw hole; the second screw comprises a second screw cap and a second screw body; the outer wall of the second screw body is provided with an external thread structure corresponding to the internal thread structure, and the external thread structure and the internal thread structure are screwed together to enable the second screw body to be rotatably arranged in the screw hole; the second nut is arranged at the top of the second screw body. The utility model discloses can supplement the new article of installation on original article under the condition that does not increase the screw to can effectively guarantee the integrality of original article.
Description
Technical Field
The utility model belongs to the technical field of the screw is connected, concretely relates to modular 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 screw has an important task in industry, and as long as there is industry on earth, the function of the screw is always important. The screw is a common invention in production and life of people for thousands of years, and is the first invention of human according to the application field.
The existing single screw can only fix one article, and when one article is fixed on another fixed article, a new through hole for installing the screw is required to be manufactured on the body of the latter, which greatly damages the appearance and the integrity of the article.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined screw for solving the technical problem.
The utility model discloses a realize its technological effect and the solution that adopts does:
a combined screw comprises a first screw and a second screw; the first screw comprises a first screw cap and a first screw body; a first external thread structure is arranged on the outer wall of the first screw body; a screw hole is formed in the first screw body, and an internal thread structure is arranged on the inner wall of the screw hole; the first screw cap is arranged at the top of the first screw body and provided with an opening communicated with the screw hole; the second screw comprises a second screw cap and a second screw body; a second external thread structure corresponding to the internal thread structure is arranged on the outer wall of the second screw body, and the external thread structure and the internal thread structure are screwed together to enable the second screw body to be rotatably arranged in the screw hole; the second nut is arranged at the top of the second screw body.
Preferably, the top of the first nut cap is provided with an integration groove corresponding to the second nut cap.
Preferably, two symmetrical clamping and hooking grooves are formed in the adjacent positions of the integration groove and the screw hole.
Preferably, four clamping hook grooves which are arranged at equal intervals are arranged at the adjacent positions of the integration groove and the screw hole.
Preferably, the top of the second nut is provided with a straight screwing groove.
Preferably, the top of the second nut is provided with a cross-shaped screwing groove.
The utility model has the advantages that: the two screws are combined together, so that a new object can be additionally installed on the original installed object under the condition that the screws are not increased; when the new article is required to be installed on the old article which is installed previously, only the installation through hole corresponding to the old article needs to be opened on the new article, and extra holes do not need to be additionally formed in the old article, so that the integrity of the old article is ensured.
Drawings
Fig. 1 is a schematic cross-sectional view of a combined screw according to an embodiment of the present invention;
fig. 2 is a top view of a first nut according to an embodiment of the present invention;
fig. 3 is a top view of a second nut according to an embodiment of the present invention.
And (3) identification and explanation: 1-a first screw cap, 2-a first screw body, 3-a screw hole, 4-a second screw cap, 5-a second screw body, 6-an integrated groove, 7-a clamping hook groove and 8-a screwing groove.
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. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.
Referring to fig. 1-3, a preferred embodiment of the present invention discloses a combined screw, which includes a first screw and a second screw; the first screw comprises a first screw cap 1 and a first screw body 2; a first external thread structure is arranged on the outer wall of the first screw body 2; a screw hole 3 is formed in the first screw body 2, and an internal thread structure is arranged on the inner wall of the screw hole 3; the first screw cap 1 is arranged at the top of the first screw body 2, and the first screw cap 1 is provided with an opening communicated with the screw hole 3; the second screw comprises a second screw cap 4 and a second screw body 5; a second external thread structure corresponding to the internal thread structure is arranged on the outer wall of the second screw body 5, and the external thread structure and the internal thread structure are screwed together to enable the second screw body 5 to be rotatably arranged in the screw hole 3; the second nut 4 is arranged on the top of the second screw body 5.
The utility model discloses the theory of operation: when only one article needs to be fixed, only the second screw body 5 needs to be screwed in the screw hole 3, holes are drilled in the article and the installation object, and then the first screw body 2 is screwed and fixed in the two holes in sequence to fix the article; when the new article is required to be installed on the previously installed old article, the hole can be drilled on the new article, then the second screw body 5 is screwed out of the screw hole 3, then the second screw body 5 is screwed and fixed in the hole and the screw hole 3 in sequence, the new article is fixed on the old article, the whole installation process only needs to get through the installation through hole corresponding to the old article on the new article, no additional hole is needed to be additionally formed in the old article, and the integrity of the old article is ensured.
Specifically, the top of first nut 1 is provided with the integration groove 6 that corresponds with second nut 4, makes things convenient for when the second screw does not use to screw up second nut 4 in integration groove 6.
Specifically, two symmetrical or four clamping hook grooves 7 arranged at equal intervals are arranged at the adjacent positions of the integration groove 6 and the screw hole, so that the integration groove is conveniently matched with a screwdriver for use.
Specifically, the top of the second nut 4 is provided with a straight screwing groove 8 or a cross screwing groove 8, which is also convenient for matching with a screwdriver.
According to the above description, the utility model discloses can supplement the installation new object article on original article under the condition that does not increase the screw to can effectively guarantee the integrality of original article.
While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the invention includes, but is not limited to, the embodiments described above; the specific structure disclosed in the drawings is only a preferred embodiment of the present invention, and those skilled in the art can also develop other embodiments on this basis, and any simple deformation or equivalent replacement without departing from the innovative concept of the present invention is covered by the present invention, which belongs to the protection scope of the present invention.
Claims (6)
1. A modular screw, comprising:
a first screw; the first screw comprises a first screw cap and a first screw body; a first external thread structure is arranged on the outer wall of the first screw body; a screw hole is formed in the first screw body, and an internal thread structure is arranged on the inner wall of the screw hole; the first screw cap is arranged at the top of the first screw body and provided with an opening communicated with the screw hole;
a second screw; the second screw comprises a second screw cap and a second screw body; a second external thread structure corresponding to the internal thread structure is arranged on the outer wall of the second screw body, and the external thread structure and the internal thread structure are screwed together to enable the second screw body to be rotatably arranged in the screw hole; the second nut is arranged at the top of the second screw body.
2. The combination screw of claim 1, wherein: the top of the first nut cap is provided with an integration groove corresponding to the second nut cap.
3. A modular screw as claimed in claim 2, wherein: two symmetrical clamping and hooking grooves are formed in the adjacent positions of the integration groove and the screw hole.
4. A modular screw as claimed in claim 2, wherein: and four clamping and hooking grooves which are arranged at equal intervals are arranged at the adjacent parts of the integration groove and the screw hole.
5. The combination screw of claim 1, wherein: the top of the second nut is provided with a straight-line-shaped screwing groove.
6. The combination screw of claim 1, wherein: the top of the second screw cap is provided with a cross-shaped screwing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330576.1U CN212838870U (en) | 2020-07-08 | 2020-07-08 | Combined screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330576.1U CN212838870U (en) | 2020-07-08 | 2020-07-08 | Combined screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838870U true CN212838870U (en) | 2021-03-30 |
Family
ID=75182698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021330576.1U Expired - Fee Related CN212838870U (en) | 2020-07-08 | 2020-07-08 | Combined screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838870U (en) |
-
2020
- 2020-07-08 CN CN202021330576.1U patent/CN212838870U/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 |
Granted publication date: 20210330 |