CN220248597U - Length-adjustable carriage bolt - Google Patents
Length-adjustable carriage bolt Download PDFInfo
- Publication number
- CN220248597U CN220248597U CN202321582350.4U CN202321582350U CN220248597U CN 220248597 U CN220248597 U CN 220248597U CN 202321582350 U CN202321582350 U CN 202321582350U CN 220248597 U CN220248597 U CN 220248597U
- Authority
- CN
- China
- Prior art keywords
- screw
- bottom plate
- length
- carriage bolt
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Toys (AREA)
Abstract
The utility model discloses a length-adjustable carriage bolt, which relates to the technical field of carriage bolts and comprises a round head, wherein a square head is arranged at the bottom of the round head, a storage groove is formed in the middle of the bottom end of the square head, a fixed screw is arranged outside the storage groove, a nut is sleeved outside the fixed screw, the bottom of the fixed screw is connected with a bottom plate, a second movable screw is arranged at the top of the bottom plate, and a sleeve is connected with the middle of the top end of the bottom plate. According to the utility model, under the action of the fixed screw, the movable screw, the loop bar, the fixed bar, the bolt hole and the bottom plate, when the total length of the carriage bolt is required to be adjusted, the movable screw is moved out of the slot of the fixed screw by separating the bottom plate from the fixed screw, and then the inserted bar is used for inserting the bolt bar after the length adjustment, so that the position fixing work is carried out on the movable screw, the fixed screw, the loop bar and the fixed bar, and the practicality of the carriage bolt is improved.
Description
Technical Field
The utility model relates to the technical field of carriage bolts, in particular to a length-adjustable carriage bolt.
Background
The carriage bolt can be called a square neck bolt, and is characterized in that a round head is connected with a square neck from the appearance, so that the carriage bolt is composed of a head part and a screw rod, the head part and the screw rod are matched with nuts for use, two parts with through holes are fastened and connected, and the screw rod is a cylinder with external threads.
In the use process of the existing carriage bolt, the length of the existing carriage bolt is generally fixed, when the fixing operation is carried out on objects with different thicknesses, the carriage bolt with different lengths needs to be searched for fastening work, and the fixed carriage bolt is low in practicality due to the length limitation.
Disclosure of Invention
The utility model aims to provide a length-adjustable carriage bolt, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a carriage bolt with adjustable length, comprising:
the round head, square head is installed to the bottom of round head, and the bottom middle part of square head has been seted up and has been accomodate the groove, the outside of accomodating the groove is provided with the fixing screw, and the outside cover of fixing screw is equipped with the nut, the bottom of fixing screw is connected with the bottom plate, and the second movable screw is installed at the top of bottom plate, the top middle part of bottom plate is connected with the sleeve, and telescopic inside grafting has the dead lever, the top of dead lever is connected with the inboard top of accomodating the groove, and accomodates the inside of groove and be provided with the spring housing, the top of bottom plate is connected with the magic subsides.
Preferably, the round head is fixedly connected with the square head and the fixing screw, the slot of the fixing screw is matched with the movable screw, and the middle parts of the movable screw, the sleeve and the fixing rod are provided with bolt holes.
Preferably, the inner wall threads of the nut are matched with the external threads outside the fixed screw and the movable screw.
Preferably, the movable screw rod is fixedly connected with the spring sleeve, and the external thread structure of the movable screw rod is consistent with that of the fixed screw rod.
Preferably, the outer wall of the fixing rod is contacted with the inner wall of the sleeve, and the length of the fixing rod is equal to the total length of the square head and the fixing screw.
Preferably, the sleeve and the bottom plate form an integrated structure through welding, and the shape of the groove of the bottom plate is consistent with the shape of the bottom of the fixing screw.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, under the action of the fixed screw, the movable screw, the loop bar, the fixed bar, the bolt hole and the bottom plate, when the total length of the carriage bolt is required to be adjusted, the movable screw is moved out of the slot of the fixed screw by separating the bottom plate from the fixed screw, and then the inserted bar is used for inserting the bolt bar after the length adjustment, so that the position fixing work is carried out on the movable screw, the fixed screw, the loop bar and the fixed bar, and the practicality of the carriage bolt is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the carriage bolt according to the present utility model;
fig. 3 is a schematic diagram of a connection structure between a base plate and a hook and loop fastener according to the present utility model.
Legend description:
1. a circular head; 2. a square head; 3. a fixed screw; 4. a nut; 5. a movable screw; 6. a storage groove; 7. a spring sleeve; 8. a fixed rod; 9. a bolt hole; 10. a sleeve; 11. a bottom plate; 12. a magic tape.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to figures 1-3, a length-adjustable carriage bolt comprises a round head 1, a square head 2 is arranged at the bottom of the round head 1, a storage groove 6 is formed in the middle of the bottom end of the square head 2, the round head 1 is fixedly connected with the square head 2 and a fixed screw 3, a slot of the fixed screw 3 is matched with a movable screw 5, bolt holes 9 are formed in the middle of the movable screw 5, a sleeve 10 and the middle of the fixed screw 8, the bolt holes 9 are provided with inserted rods, the carriage bolt is convenient to fix after the length adjustment work of the carriage bolt is completed, the carriage bolt with the length adjustable is good in using effect, the fixed screw 3 is arranged outside the storage groove 6, a nut 4 is sleeved outside the fixed screw 3, the inner wall threads of the nut 4 are matched with the external threads of the fixed screw 3 and the movable screw 5, after the total length adjustment work of the carriage bolt is completed, the nut 4 is matched with the external thread outside the movable screw 5 to fasten the object, the bottom of the fixed screw 3 is connected with the bottom plate 11, the top of the bottom plate 11 is provided with the second movable screw 5, the movable screw 5 is fixedly connected with the spring sleeve 7, the external thread structure of the movable screw 5 is consistent with that of the fixed screw 3, the spring sleeve 7 is arranged to facilitate the separation of the fixed screw 3 from the bottom plate 11, the movable screw 5 is matched with the spring force of the spring sleeve 7 to eject outwards, thereby facilitating the manual grasping of the movable screw 5 to perform the length adjustment work, the middle part of the top end of the bottom plate 11 is connected with the sleeve 10, the fixing rod 8 is inserted into the sleeve 10, the outer wall of the fixing rod 8 is contacted with the inner wall of the sleeve 10, the length of the fixing rod 8 is equal to the total length of the square head 2 and the fixing screw 3, through the cooperation of sleeve 10 and dead lever 8 to the total length of convenient fixed carriage bolt screw rod of adjustment, sleeve 10 and bottom plate 11 pass through the welding and constitute integrated structure, and the recess shape of bottom plate 11 is unanimous with the bottom shape of dead screw 3, makes bottom plate 11 pass through the magic subsides 12 and bond smoothly and fix the bottom at dead screw 3, thereby reaches the purpose of shortening, and the top of dead lever 8 is connected with the inboard top of accomodating groove 6, and accomodates the inside of groove 6 and be provided with spring housing 7, and the top of bottom plate 11 is connected with the magic subsides 12.
Working principle: when the carriage bolt is used for fastening operation, the matched nut 4 is sleeved at the tail of the fixed screw 3 to rotate, so that the carriage bolt is used for fastening an object, then, when the length of the carriage bolt needs to be adjusted, a inserted link (the inserted link is not marked in the drawing) in the bolt hole 9 is manually operated, the bottom plate 11 adhered with the magic tape 12 is separated from the bottom of the fixed screw 3 manually, so that the movable screw 5 is outwards ejected out under the accumulation force of the spring sleeve 7, the movable screw 5 is conveniently manually grasped, and the inserted link is inserted into the corresponding bolt hole 9 according to the length of the required carriage bolt, so that the carriage bolt is high in practicability.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a carriage bolt of adjustable length which characterized in that includes:
round head (1), square head (2) are installed to the bottom of round head (1), and take in groove (6) have been seted up at the bottom middle part of square head (2), the outside of taking in groove (6) is provided with fixing screw (3), and the outside cover of fixing screw (3) is equipped with nut (4), the bottom of fixing screw (3) is connected with bottom plate (11), and second movable screw (5) are installed at the top of bottom plate (11), the top middle part of bottom plate (11) is connected with sleeve (10), and peg graft in the inside of sleeve (10) has dead lever (8), the top of dead lever (8) is connected with the inboard top of taking in groove (6), and is provided with spring housing (7) in the inside of taking in groove (6), the top of bottom plate (11) is connected with magic subsides (12).
2. The length-adjustable carriage bolt according to claim 1, wherein: the round head (1) is fixedly connected with the square head (2) and the fixing screw (3), a slot of the fixing screw (3) is matched with the movable screw (5), and bolt holes (9) are formed in the middle of the movable screw (5), the sleeve (10) and the fixing rod (8).
3. The length-adjustable carriage bolt according to claim 1, wherein: the inner wall threads of the nut (4) are matched with the external threads outside the fixed screw (3) and the movable screw (5).
4. The length-adjustable carriage bolt according to claim 1, wherein: the movable screw rod (5) is fixedly connected with the spring sleeve (7), and the external thread structure of the movable screw rod (5) is consistent with the external thread structure of the fixed screw rod (3).
5. The length-adjustable carriage bolt according to claim 1, wherein: the outer wall of the fixed rod (8) is contacted with the inner wall of the sleeve (10), and the length of the fixed rod (8) is equal to the total length of the square head (2) and the fixed screw (3).
6. The length-adjustable carriage bolt according to claim 1, wherein: the sleeve (10) and the bottom plate (11) form an integrated structure through welding, and the shape of the groove of the bottom plate (11) is consistent with the shape of the bottom of the fixing screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582350.4U CN220248597U (en) | 2023-06-20 | 2023-06-20 | Length-adjustable carriage bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321582350.4U CN220248597U (en) | 2023-06-20 | 2023-06-20 | Length-adjustable carriage bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248597U true CN220248597U (en) | 2023-12-26 |
Family
ID=89269676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321582350.4U Active CN220248597U (en) | 2023-06-20 | 2023-06-20 | Length-adjustable carriage bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248597U (en) |
-
2023
- 2023-06-20 CN CN202321582350.4U patent/CN220248597U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203092475U (en) | Fast-disassembling and fast-assembling tool for internal combustion engine cylinder sleeve | |
| CN220248597U (en) | Length-adjustable carriage bolt | |
| CN212202781U (en) | Anti-loosening bolt with inner and outer double reverse threads | |
| CN208867077U (en) | A kind of omnipotent operating handle | |
| CN201426334Y (en) | poultry catcher | |
| CN209146086U (en) | A kind of bolt and nut one bracing means | |
| CN212744658U (en) | Distance check bolt | |
| CN209478149U (en) | A kind of telescopically adjustable tool box pull rod | |
| CN219190014U (en) | Storage assembly and folding type internal hexagonal wrench | |
| CN2754044Y (en) | Telescopic automatic locking-delocking device for spontoon | |
| CN113134222B (en) | Portable martial art stick for martial art training | |
| CN220094986U (en) | Quick die assembly device for concrete pipe pile production | |
| CN215409640U (en) | Magnetic positioning pin | |
| CN106891509B (en) | Bottle taking device of hollow blow molding machine | |
| CN215762750U (en) | Novel locking bolt that moves | |
| CN218266695U (en) | Adjustable elastic bolt | |
| CN208809375U (en) | A kind of rope skipping locking device | |
| CN221101659U (en) | Tour guide tool | |
| CN220924948U (en) | Storage device for metal fittings | |
| CN219515017U (en) | Automatic fishing device | |
| CN220030096U (en) | Bushing extractor for building engineering | |
| CN221510708U (en) | Fishing box with adjusting support legs | |
| CN2390045Y (en) | Double expanding and double-tightening drawbolt | |
| CN220800293U (en) | Reinforcing rod for umbrella handle of fishing umbrella | |
| CN220823386U (en) | Robot board collecting and releasing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |