CN213575047U - Bolt with adjustable length - Google Patents
Bolt with adjustable length Download PDFInfo
- Publication number
- CN213575047U CN213575047U CN202022555847.XU CN202022555847U CN213575047U CN 213575047 U CN213575047 U CN 213575047U CN 202022555847 U CN202022555847 U CN 202022555847U CN 213575047 U CN213575047 U CN 213575047U
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- China
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- screw rod
- slot
- bolt
- elastic clamping
- plug
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Abstract
The utility model belongs to the technical field of the fastener, specifically speaking especially relates to a bolt of adjustable length, including bolt head, screw rod A and screw rod B, screw rod A rigid coupling is in the lower part of bolt head, and screw rod B pegs graft in screw rod A, is provided with coherent screw thread on screw rod A and the screw rod B, and the bottom of screw rod A and screw rod B is inwards opened has the slot, and the top of slot is provided with the draw-in groove; the top of the screw rod B is provided with a plug-in unit matched with the slot, the top of the plug-in unit is provided with elastic clamping blocks matched with the slot, and a spring is connected between the opposite elastic clamping blocks. The screw rod A and the screw rod B are mutually sleeved, so that the number of the screw rods B can be properly selected according to the needs of use occasions, and the length of each screw rod can be adjusted; the utility model discloses a between screw rod first and the screw rod second, screw rod second is for cup jointing each other, and cross slot neither influences the intensity of screw rod, uses also convenience very.
Description
Technical Field
The utility model belongs to the technical field of the fastener, specifically speaking especially relates to a bolt of adjustable length.
Background
The bolt is a cylindrical threaded fastening matched with a nut, and a fastening piece consisting of a head part and a screw rod with external threads is matched with the nut and used for fastening and connecting two parts with through holes. Bolts play an important role in machine manufacturing, have a very large number of functions, and the existing bolts have a very large number of models, but the length of each model is fixed.
In the use process, the situation that the bolt is not long enough often occurs, so that the bolt which can ensure the strength and adjust the length is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a bolt of adjustable length can adjust the length of bolt as required, has brought the convenience for the use.
The purpose of the utility model can be realized by the following technical scheme: a bolt with adjustable length comprises a bolt head, a screw rod A and a screw rod B, wherein the screw rod A is fixedly connected to the lower portion of the bolt head, the screw rod B is inserted into the screw rod A, coherent threads are arranged on the screw rod A and the screw rod B, slots are formed in the bottoms of the screw rod A and the screw rod B inwards, and clamping grooves are formed in the top ends of the slots;
the top of the screw rod B is provided with a plug-in unit matched with the slot, the top of the plug-in unit is provided with elastic clamping blocks matched with the slot, and a spring is connected between the elastic clamping blocks.
Furthermore, the cross section of the slot is cross-shaped.
Furthermore, the elastic clamping block is L-shaped.
Furthermore, the spring is fixedly connected to the top of the elastic clamping block.
Furthermore, the plug-in components and the screw rod B are integrally formed.
The utility model has the advantages that:
1. the screw rod A and the screw rod B are mutually sleeved, so that the number of the screw rods B can be properly selected according to the needs of use occasions, and the length of each screw rod can be adjusted;
2. the utility model discloses a between screw rod first and the screw rod second, screw rod second is for cup jointing each other, and cross slot neither influences the intensity of screw rod, uses also convenience very.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic structural diagram of the middle plug-in unit and the elastic clamping block of the present invention.
In the figure: 1. a bolt head; 2. a screw rod A; 3. a screw rod B; 4. a thread; 5. a slot; 6. a card slot; 7. a plug-in; 8. an elastic clamping block; 9. a spring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in fig. 1 to 2 in the attached drawings of the specification, a bolt with adjustable length comprises a bolt head 1, a screw rod a 2 and a screw rod b 3, wherein the screw rod a 2 is fixedly connected to the lower part of the bolt head 1, the screw rod b 3 is inserted into the screw rod a 2, the screw rod a 2 and the screw rod b 3 are provided with consecutive threads 4, the bottoms of the screw rod a 2 and the screw rod b 3 are provided with slots 5 inwards, and the top ends of the slots 5 are provided with clamping grooves 6;
the top of the screw rod B3 is provided with an inserting piece 7 matched with the inserting groove 5, the top of the inserting piece 7 is provided with an elastic clamping block 8 matched with the clamping groove 6, and a spring 9 is connected between the opposite elastic clamping blocks 8.
Further, the cross section of the slot 5 is cross-shaped.
Furthermore, the elastic fixture block 8 is L-shaped.
Furthermore, the spring 9 is fixedly connected to the top of the elastic fixture block 8.
Further, the plug-in piece 7 and the screw rod B3 are integrally formed.
The use principle is as follows:
according to the required occasion, the required number of screws B3 are inserted into the screws A2: the pressing spring 9 and the elastic clamping block 8 gather towards the center, the plug-in unit 7 with the elastic clamping block 8 can be inserted into the slot 5, when the position of the clamping groove 6 is reached, the spring 9 recovers, the elastic clamping block 8 recovers to the original shape, and the plug-in unit is smoothly clamped into the clamping groove 6. The cross-shaped slot 5 does not influence the strength of the screw rod, and the inserting mode is very convenient. The utility model discloses can select suitable screw rod second 3's quantity according to the needs of use occasion, realize that the length of screw rod is adjustable.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. A bolt of adjustable length, characterized by: the bolt comprises a bolt head, a screw rod A and a screw rod B, wherein the screw rod A is fixedly connected to the lower part of the bolt head, the screw rod B is inserted into the screw rod A, coherent threads are arranged on the screw rod A and the screw rod B, slots are inwards formed in the bottoms of the screw rod A and the screw rod B, and clamping grooves are formed in the top ends of the slots;
the top of the screw rod B is provided with a plug-in unit matched with the slot, the top of the plug-in unit is provided with elastic clamping blocks matched with the slot, and a spring is connected between the elastic clamping blocks.
2. An adjustable length bolt as defined in claim 1, wherein: the cross section of the slot is cross-shaped.
3. An adjustable length bolt as defined in claim 1, wherein: the elastic clamping block is L-shaped.
4. An adjustable length bolt as defined in claim 1, wherein: the spring is fixedly connected to the top of the elastic clamping block.
5. An adjustable length bolt as defined in claim 1, wherein: the plug-in components and the screw rod B are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022555847.XU CN213575047U (en) | 2020-11-06 | 2020-11-06 | Bolt with adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022555847.XU CN213575047U (en) | 2020-11-06 | 2020-11-06 | Bolt with adjustable length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575047U true CN213575047U (en) | 2021-06-29 |
Family
ID=76534920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022555847.XU Active CN213575047U (en) | 2020-11-06 | 2020-11-06 | Bolt with adjustable length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575047U (en) |
-
2020
- 2020-11-06 CN CN202022555847.XU patent/CN213575047U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |