CN215634276U - Bolt with adjustable length - Google Patents
Bolt with adjustable length Download PDFInfo
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- CN215634276U CN215634276U CN202121567176.7U CN202121567176U CN215634276U CN 215634276 U CN215634276 U CN 215634276U CN 202121567176 U CN202121567176 U CN 202121567176U CN 215634276 U CN215634276 U CN 215634276U
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Abstract
The utility model discloses a bolt with adjustable length, which comprises a main screw and an auxiliary screw, wherein one end of the main screw is detachably connected with the auxiliary screw, inserting holes are respectively formed in one ends of the main screw and the auxiliary screw, internal threads are formed on the inner side wall of each inserting hole, one end of the auxiliary screw, which is far away from the inserting holes, is fixedly connected with a connecting column, a threaded hole A is formed in the connecting column, the connecting column at one end of the auxiliary screw is aligned with the inserting holes and inserted, the auxiliary screw is rotated to align the threaded hole A with the threaded hole B, then a connecting screw is screwed in, different numbers of auxiliary screws are selected and increased according to different using lengths, and the direction of the connecting screw after being screwed in is inconsistent with the direction of the external threads of the main screw and the auxiliary screws, so that the connecting screw can play a good fixing role in the screwing-out or screwing-in process of the bolt, and the disconnection of a bolt joint is avoided, the connection stability is improved.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to a bolt with adjustable length.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener consisting of a head part and a screw rod needs to be matched with the nut and is used for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, and the application in production and life is very wide.
Patent number is CN 205977971U's publication a bolt with adjustable length has set up bolt head and shank of bolt, and the user can confirm the quantity of installation swing joint screw thread section according to the length of the bolt pole of actual needs when using for the length of the bolt pole of this bolt is adjustable, and it is all very convenient to carry and install, has brought the facility for the use.
The bolt with the adjustable length has the following defects that 1, when the bolt is lengthened, a time thread connection mode is adopted between the thread section and the screw rod, and in the actual use process, when the bolt is installed and needs to be screwed out, due to the reverse rotation of the screw rod, if the thread section is clamped, the thread section is separated from the screw rod, so that the thread section cannot be screwed out, and the use is influenced; 2. the bolt is less functional and can only be used as a bolt, so that the bolt is low in applicability and cannot be used as a screw, and therefore, a bolt with adjustable length is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bolt with adjustable length, which improves the connection firmness and stability of the lengthened bolt by changing the connection mode and can be used by additionally arranging a screw head to change the bolt into a screw.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bolt with adjustable length, includes main screw rod and vice screw rod, main screw rod one end can be dismantled and be connected with vice screw rod, the spliced eye has all been seted up to main screw rod and vice screw rod one end inside, the internal thread has been seted up to the spliced eye inside wall, the spliced eye one end fixedly connected with spliced pole is kept away from to vice screw rod, the inside screw hole A of seting up of spliced pole, main screw rod and vice screw rod are close to spliced eye one side and all set up the screw hole B corresponding with screw hole A position, can dismantle between screw hole A and the screw hole B and be connected with the connecting screw, main screw rod and vice screw rod all can dismantle through the spliced eye and be connected with the screwhead, screwhead one end fixedly connected with and the mutual screw thread post that corresponds of internal thread.
As a preferred embodiment of the present invention, a bolt head is fixedly connected to one end of the main screw rod, and the bolt head is located on a side of the main screw rod away from the insertion hole.
In a preferred embodiment of the present invention, a washer is fixedly connected to an outer side wall of the main screw rod, and the washer is located at a connection position of the main screw rod and the bolt head.
In a preferred embodiment of the present invention, the connection screw is located inside the main screw rod.
Compared with the prior art, the utility model has the following beneficial effects:
1. the bolt main body is composed of a main screw rod and an auxiliary screw rod, inserting holes are formed in one end of the main screw rod and one end of the auxiliary screw rod, when the length of the main screw rod meets the use requirement, the auxiliary screw rod does not need to be additionally installed and is directly used through the main screw rod, when the length needs to be increased, the auxiliary screw rod can be selected, a connecting column at one end of the auxiliary screw rod is aligned with the inserting holes and is inserted, the auxiliary screw rod rotates to align a threaded hole A and a threaded hole B, then a connecting screw is screwed in, the connecting screw plays a role in reinforcing connection between the main screw rod and the auxiliary screw rod, different numbers of auxiliary screw rods are selected and increased according to different use lengths, the use flexibility of the bolt is improved, the connecting screw is not consistent with the external thread directions of the main screw rod and the auxiliary screw rods after being screwed in, therefore, the connecting screw can play a good fixing role in the process of screwing out or screwing in the bolt, and the condition that the bolt connection part is broken is avoided, the connection stability is improved.
2. The internal thread has all been seted up to the inside of spliced eye, adjust the length of main screw rod and vice screw rod and can use during the normal use bolt, when needs use the screw, can choose the screwhead for use, align and twist the fixed screw thread post of screwhead one end and the inside internal thread of spliced eye, it is together fixed with screwhead and main screw rod or vice screw rod through screw thread post and internal screw thread cooperation, the screwhead is installed additional to the one end of bolt this moment, can regard as the screw to use, the functionality and the application scope of bolt have been improved.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall construction of a length adjustable bolt of the present invention;
FIG. 2 is a schematic structural view of a main screw of a bolt of the present invention with an adjustable length;
FIG. 3 is a schematic view of the structure of the auxiliary screw of the bolt with adjustable length of the present invention.
In the figure: 1. a main screw; 2. a bolt head; 3. a gasket; 4. inserting holes; 401. an internal thread; 5. an auxiliary screw; 501. connecting columns; 502. a threaded hole A; 6. a threaded hole B; 7. a connecting screw; 8. a screw head; 801. a threaded post.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1, 2 and 3, the present invention provides a technical solution: the utility model provides a bolt with adjustable length, includes main screw 1 and vice screw rod 5, its characterized in that: the screw driver is characterized in that one end of the main screw rod 1 is detachably connected with an auxiliary screw rod 5, the inside of one end of each of the main screw rod 1 and the auxiliary screw rod 5 is provided with an insertion hole 4, the inner side wall of each insertion hole 4 is provided with an inner thread 401, the auxiliary screw rod 5 is far away from one end of the connection column 501 fixedly connected with the insertion hole 401, the inside of the connection column 501 is provided with a threaded hole A502, one side, close to the insertion hole 4, of each of the main screw rod 1 and the auxiliary screw rod 5 is provided with a threaded hole B6 corresponding to the position of the threaded hole A502, a connection screw 7 is detachably connected between the threaded hole A502 and the threaded hole B6, the main screw rod 1 and the auxiliary screw rod 5 are detachably connected with a screw head 8 through the insertion hole 4, and one end of the screw head 8 is fixedly connected with a threaded column 801 corresponding to the inner thread 401.
In this embodiment (see fig. 1, 2 and 3), the connection post 501 at one end of the sub-screw 5 is aligned with the insertion hole 4 and inserted, the sub-screw 5 is rotated to align the threaded hole a502 and the threaded hole B6, then the connection screw 7 is screwed in, different numbers of sub-screws 5 are selected and used according to different lengths, and the connection screw 7 is screwed in and is not in accordance with the external thread direction of the main screw 1 and the sub-screw 5, so that the connection screw 7 can play a good role in fixing no matter in the process of screwing out or screwing in the bolt, the disconnection of the bolt connection is avoided, the connection stability is improved, the threaded post 801 fixed at one end of the screw head 8 is aligned with and screwed into the internal thread 401 inside the insertion hole 4, the screw head 8 is fixed with the main screw 1 or the sub-screw 5 by the matching of the threaded post 801 and the internal thread 401, at this time, the screw head 8 is additionally installed at one end of the bolt, the bolt can be used as a screw, and the functionality and the application range of the bolt are improved.
One end of the main screw rod 1 is fixedly connected with a bolt head 2, and the bolt head 2 is positioned on one side, far away from the plug hole 4, of the main screw rod 1.
In the present embodiment (see fig. 1), a bolt head 2 fixed to one end of a main screw 1 facilitates the insertion of a tool such as a screwdriver to screw the bolt.
The outer side wall of the main screw rod 1 is fixedly connected with a gasket 3, and the gasket 3 is located at the joint of the main screw rod 1 and the bolt head 2.
In this embodiment (see fig. 1 and 2), a washer 3 is fixed between the bolt head 2 and the main screw rod 1, and after the bolt is screwed in, the washer 3 can increase the contact area and improve stability.
Wherein, the connecting screw 7 is positioned inside the main screw rod 1.
In this embodiment (see fig. 1), the connecting screw 7 is completely screwed into the main screw 1 after being screwed, and there is no leakage part, so that the normal use of the bolt is not affected.
When the bolt is used, the bolt main body is composed of a main screw rod 1 and an auxiliary screw rod 5, one end of the main screw rod 1 and one end of the auxiliary screw rod 5 are both provided with an inserting hole 4, when the length of the main screw rod 1 meets the use requirement, the auxiliary screw rod 5 does not need to be additionally arranged and is directly used through the main screw rod 1, when the length is required to be increased, the auxiliary screw rod 5 can be selected, a connecting column 501 at one end of the auxiliary screw rod 5 is aligned with the inserting hole 4 and is inserted, the auxiliary screw rod 5 is rotated to align a threaded hole A502 and a threaded hole B6 in a rotating mode, then a connecting screw 7 is screwed in, the main screw rod 1 and the auxiliary screw rod 5 are connected in a reinforcing mode through the connecting screw 7, different numbers of auxiliary screw rods 5 are selected and increased according to different use lengths, the use flexibility of the bolt is improved, the connecting screw 7 is not consistent with the external thread directions of the main screw rod and the auxiliary screw rod 5 after being screwed in, therefore, the connecting screw 7 can play a good fixing role no matter in the screwing-out or screwing-in process of the bolt, the condition that the bolt joint is broken is avoided, the connection stability is improved, the connecting screw 7 is completely screwed into the main screw rod 1 after being screwed in, no leakage part exists, the normal use of the bolt is not influenced, the bolt is screwed by conveniently using a screwdriver and other instruments through the bolt head 2 fixed at one end of the main screw rod 1, the gasket 3 is fixed between the bolt head 2 and the main screw rod 1, the gasket 3 can increase the contact area after the bolt is screwed in, the stability is improved, the internal threads 401 are arranged inside the inserting hole 4, the length of the main screw rod 1 and the length of the auxiliary screw rod 5 can be adjusted for use when the bolt is normally used, when the bolt is required to be used, the screw head 8 can be selected, the threaded column 801 fixed at one end of the screw head 8 is aligned with and screwed in the internal thread 401 inside the inserting hole 4, the screw head 8 is fixed with the main screw rod 1 or the auxiliary screw rod 5 through the matching of the threaded column 801 and the internal thread 401, at the moment, one end of the bolt is additionally provided with the screw head 8 which can be used as a screw, so that the functionality and the application range of the bolt are improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model 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 utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A bolt with adjustable length comprises a main screw rod (1) and an auxiliary screw rod (5), and is characterized in that: one end of the main screw rod (1) is detachably connected with an auxiliary screw rod (5), the insides of one ends of the main screw rod (1) and the auxiliary screw rod (5) are respectively provided with an inserting hole (4), an internal thread (401) is arranged on the inner side wall of the inserting hole (4), one end of the auxiliary screw rod (5) far away from the inserting hole (4) is fixedly connected with a connecting column (501), a threaded hole A (502) is formed in the connecting column (501), threaded holes B (6) corresponding to the threaded hole A (502) are formed in one sides of the main screw (1) and the auxiliary screw (5) close to the inserting hole (4), a connecting screw (7) is detachably connected between the threaded hole A (502) and the threaded hole B (6), the main screw rod (1) and the auxiliary screw rod (5) can be detachably connected with screw heads (8) through the inserting holes (4), one end of the screw head (8) is fixedly connected with a threaded column (801) corresponding to the internal thread (401).
2. A length adjustable bolt as defined in claim 1, wherein: one end of the main screw rod (1) is fixedly connected with a bolt head (2), and the bolt head (2) is located on one side, far away from the plug hole (4), of the main screw rod (1).
3. A length adjustable bolt as defined in claim 2, wherein: the outer side wall of the main screw rod (1) is fixedly connected with a gasket (3), and the gasket (3) is located at the joint of the main screw rod (1) and the bolt head (2).
4. A length adjustable bolt as defined in claim 1, wherein: the connecting screw (7) is positioned inside the main screw rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121567176.7U CN215634276U (en) | 2021-07-09 | 2021-07-09 | Bolt with adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121567176.7U CN215634276U (en) | 2021-07-09 | 2021-07-09 | Bolt with adjustable length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634276U true CN215634276U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121567176.7U Active CN215634276U (en) | 2021-07-09 | 2021-07-09 | Bolt with adjustable length |
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|---|---|
| CN (1) | CN215634276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322895A (en) * | 2018-11-29 | 2019-02-12 | 海盐万瑞标准件有限公司 | A kind of length adjustable type gear rack |
-
2021
- 2021-07-09 CN CN202121567176.7U patent/CN215634276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322895A (en) * | 2018-11-29 | 2019-02-12 | 海盐万瑞标准件有限公司 | A kind of length adjustable type gear rack |
| CN109322895B (en) * | 2018-11-29 | 2024-05-07 | 海盐万德弗精密五金有限公司 | Length-adjustable dental strip |
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