CN217761559U - Connecting sleeve for fixing step tightening and step tightening - Google Patents
Connecting sleeve for fixing step tightening and step tightening Download PDFInfo
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- CN217761559U CN217761559U CN202221752809.6U CN202221752809U CN217761559U CN 217761559 U CN217761559 U CN 217761559U CN 202221752809 U CN202221752809 U CN 202221752809U CN 217761559 U CN217761559 U CN 217761559U
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Abstract
The utility model belongs to the technical field of fastening devices for construction, in particular to a connecting sleeve for fixing step by step and step by step, which comprises a connecting sleeve and a locking sleeve, wherein the middle part of the connecting sleeve is provided with a connecting through hole, the outer surface of the connecting sleeve is provided with an external thread connected with the locking sleeve, and the locking sleeve is internally provided with a corresponding internal thread; and the end part of the connecting sleeve is provided with a connecting pin. The movable clamping hook is connected with the existing step tightening device through the connecting sleeve, and the movement of the movable clamping hook on the existing step tightening device is limited through the locking sleeve, so that the movable clamping hook is prevented from loosening in the using process. The structure arrangement is adopted, so that the novel LED lamp can be used in the conventional step without remanufacturing, and the cost caused by remanufacturing can be reduced.
Description
Technical Field
The utility model belongs to the technical field of fastener is used in the construction, concretely relates to it is tight to be used for fixed step by step tight adapter sleeve and step by step.
Background
In recent years, with the rapid compression of the construction industry, the competition situation is more and more intense, and the construction industry needs to occupy a place, and needs to have the own special points and competitiveness of enterprises, so that the improvement of the working efficiency is also of great importance in the current enterprise competition on the premise of ensuring the engineering quality.
The step fastening is needed to be used at a plurality of positions in the template installation process, and the traditional step fastening needs to be knocked by a hammer in the use process; looseness may occur during actual use.
Therefore, the turnbuckle with the patent application number of 201920219985.5 is tightened step by step, and the structural arrangement of the first plug is adopted; it is similar to the nut, through with step by step tight threaded connection of body of rod to play the effect of locking. However, the structure arrangement cannot be used on the existing step tightening, and needs to be manufactured again; and the screw thread structure of the screw thread is adopted, so that a long time is needed for screwing.
SUMMERY OF THE UTILITY MODEL
In view of the above technical content, an object of the present invention is to provide a connecting sleeve for fixing step tightening, which is convenient for locking the existing step tightening; another object is to provide a step down which incorporates the locking sleeve.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a connecting sleeve for fixing step tightening comprises a connecting sleeve and a locking sleeve, wherein a connecting through hole is formed in the middle of the connecting sleeve, external threads connected with the locking sleeve are arranged on the outer surface of the connecting sleeve, and corresponding internal threads are arranged in the locking sleeve; and the end part of the connecting sleeve is provided with a connecting pin.
The connecting pin is detachably connected with the connecting sleeve, and a cotter pin is connected to the connecting pin.
A pair of connecting plates are fixed at the end part of the connecting sleeve, sliding chutes in sliding connection with the connecting pins are arranged on the two connecting plates, and two ends of the connecting pins can respectively extend into the two sliding chutes; limiting bulges are fixed at two ends of the connecting pin.
The chute is a chute.
The outer surface of the locking sleeve is provided with anti-skidding grains or is fixed with a handle.
The shape of the connecting through hole is square.
A step tightening device comprises a connecting rod, a movable clamping hook and a connecting sleeve, wherein the connecting sleeve is inserted into the connecting rod through a connecting through hole and is fixed with the connecting rod through a connecting pin; the connecting rod is provided with a connecting hole connected with the connecting pin;
the movable hook is connected with the connecting rod in a sliding mode, the front end of the connecting rod is provided with a fixed hook, and the end portion of the locking sleeve can abut against the movable hook to limit the movement of the movable hook.
The connecting rod and the fixed hook are of an integrated structure.
The connecting hole is an opening hole; the connecting holes are provided with a plurality of connecting holes.
The connecting holes are inclined holes.
Compared with the prior art, the utility model, the beneficial effect who has is:
the connecting sleeve is tightly connected with the existing step, and the locking sleeve limits the movement of the movable hook on the existing step, so that the movable hook is prevented from being loosened in the using process. The structure arrangement is adopted, so that the novel LED lamp can be used in the prior step without remanufacturing, and the cost caused by remanufacturing can be reduced.
Can conveniently step tightly with current through the connecting pin and be connected, through the structure setting of spout, can conveniently realize with current step tightly's separation.
Drawings
Fig. 1 is a schematic structural view of the connecting sleeve of the present invention in one direction;
fig. 2 is a schematic structural view of the connecting sleeve of the present invention in another direction;
FIG. 3 is a schematic view of the step-by-step structure of the present invention;
FIG. 4 is a schematic view of the connection state of the step tightening and the connection sleeve of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
wherein: the connecting device comprises a connecting sleeve 1, a locking sleeve 2, a connecting through hole 3, a connecting pin 4, a connecting plate 5, a sliding groove 6, a limiting protrusion 7, a handle 8, a connecting rod 9, a movable clamping hook 10, a fixed hook 11 and a connecting hole 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, a connecting sleeve for fixing step by step comprises a connecting sleeve 1 and a locking sleeve 2, wherein a connecting through hole 3 is formed in the middle of the connecting sleeve 1, the connecting sleeve can be tightly inserted into the existing connecting sleeve step by step through the connecting through hole 3, a connecting pin 4 is arranged at the end of the connecting sleeve 1, and the connecting sleeve and the connecting pin 4 are fixed after insertion. Corresponding pin holes are required to be formed on the existing fastening steps to be connected with the connecting pins 4.
The outer surface of the connecting sleeve 1 is provided with an external thread connected with the locking sleeve 2, the locking sleeve 2 is internally provided with a corresponding internal thread, and the position of the locking sleeve 2 can be changed by rotating the locking sleeve 2.
When in use, the connecting sleeve 1 is firstly plugged with the step by step and then fixed through the connecting pin 4; the locking sleeve 2 is pressed against the movable part (the movable hook 10) on the step tightening, thereby limiting the movement and achieving the purpose of locking.
Further, the connecting pin 4 and the connecting sleeve 1 can be detachably connected by adopting various structures, for example, a common cotter pin connection mode can be adopted; namely, the connecting pin 4 is connected with a cotter pin, and the connecting sleeve 1 is provided with a corresponding through hole; when in connection, the connecting pin 4 is inserted into the connecting sleeve 1 in sequence and is fastened step by step, and then the tail end of the connecting pin 4 is connected with a corresponding split pin.
Further, besides the above-mentioned cotter pin connection method, the following structure can be adopted:
a pair of connecting plates 5 are fixed at the end part of the connecting sleeve 1, sliding chutes 6 which are connected with the connecting pins 4 in a sliding way are arranged on the two connecting plates 5, and two ends of the connecting pins 4 can respectively extend into the two sliding chutes 6; and limiting bulges 7 are fixed at two ends of the connecting pin 4.
When the sliding connection mode is adopted, a groove or an opening hole needs to be formed on the existing step; the connecting pin 4 can be ensured to slide into the groove or the opening hole on the step, thereby realizing fixation.
When in connection, the connecting pin 4 enters the step-by-step tight groove or the opening hole along the sliding groove 6; thereby realize connecting sleeve 1 and the tight connection of current step by step, make connecting pin 4 support the tight recess or the trompil of step by step after screwing lock sleeve 2 to restriction connecting pin 4's activity.
Conversely, the locking sleeve 2 is unscrewed and moved out of the step-by-step groove or the opening hole by sliding the connecting pin 4 along the sliding groove 6; i.e. the joint sleeve 1 can be removed.
Further, the chute 6 is preferably a chute.
Furthermore, in order to facilitate rotation, anti-skid grains are arranged on the outer surface of the locking sleeve 2 or a handle 8 is fixed on the outer surface of the locking sleeve.
Further, the shape of the connecting through-hole 3 is preferably square for better connection with existing steps.
Example 2
As shown in fig. 3 to 5, a step tightening device comprises a connecting rod 9, a movable hook 10 and a connecting sleeve, wherein the connecting sleeve 1 is inserted into the connecting rod 9 through a connecting through hole 3 and is fixed with the connecting rod 9 through a connecting pin 4; the connecting rod 9 is provided with a connecting hole 12 (pin hole) connected with the connecting pin 4; when in use, the connecting pin 4 sequentially penetrates through the connecting sleeve 1 and the connecting rod 9 to realize the fixation of the two.
The movable hook 10 is connected with the connecting rod 9 in a sliding way, the front end of the connecting rod 9 is provided with a fixed hook 11, and the end part of the locking sleeve 2 can be abutted against the movable hook 10 to limit the movement of the movable hook 10.
Further, the connecting rod 9 and the fixing hook 11 are of an integrated structure.
Further, when the connecting pin 4 is in the sliding connection manner in embodiment 1, the connecting hole 12 is an open hole,
furthermore, the connecting holes 12 are provided with a plurality of connecting pins 4 which can be connected with any connecting hole 12 as required, so that the moving distance of the locking sleeve 2 can be reduced (the distance between the locking sleeve and the movable clamp is shortened), namely the number of rotation turns of the locking sleeve 2 is reduced.
Further, as in embodiment 1, when the sliding connection is adopted, the connection hole 12 is an inclined hole, and can lock the connection pin 4, thereby further preventing the connection pin from sliding out.
The above description is only for the detailed description of the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of the ordinary skilled person in the art, and all such changes are included in the scope of the present invention.
Claims (10)
1. The utility model provides a adapter sleeve for fixing step by step tight which characterized in that: the locking device comprises a connecting sleeve (1) and a locking sleeve (2), wherein a connecting through hole (3) is formed in the middle of the connecting sleeve (1), external threads connected with the locking sleeve (2) are formed on the outer surface of the connecting sleeve (1), and corresponding internal threads are formed in the locking sleeve (2); the end part of the connecting sleeve (1) is provided with a connecting pin (4).
2. A connecting sleeve for fixing step tightening according to claim 1, characterized in that: the connecting pin (4) is detachably connected with the connecting sleeve (1), and a cotter pin is connected to the connecting pin (4).
3. A connecting sleeve for fixing step tightening according to claim 1, characterized in that: a pair of connecting plates (5) are fixed at the end part of the connecting sleeve (1), sliding grooves (6) which are in sliding connection with the connecting pins (4) are formed in the two connecting plates (5), and two ends of the connecting pins (4) can respectively extend into the two sliding grooves (6); and two ends of the connecting pin (4) are fixed with limiting bulges (7).
4. A connecting sleeve for step-by-step fastening according to claim 3, characterized in that: the chute (6) is a chute.
5. A connecting sleeve for step-by-step fastening according to claim 1, characterized in that: the outer surface of the locking sleeve (2) is provided with anti-skid grains or is fixed with a handle (8).
6. A connecting sleeve for fixing step tightening according to claim 1, characterized in that: the shape of the connecting through hole (3) is square.
7. A step tightener, characterized in that: the connecting sleeve comprises a connecting rod (9), a movable clamping hook (10) and a connecting sleeve according to any one of claims 1 to 6, wherein the connecting sleeve (1) is inserted into the connecting rod (9) through a connecting through hole (3) and is fixed with the connecting rod (9) through a connecting pin (4); the connecting rod (9) is provided with a connecting hole (12) connected with the connecting pin (4);
the movable hook (10) is connected with the connecting rod (9) in a sliding way, the front end of the connecting rod (9) is provided with a fixed hook (11), and the end part of the locking sleeve (2) can be propped against the movable hook (10) to limit the movement of the movable hook (10).
8. A step fastener according to claim 7, wherein: the connecting rod (9) and the fixed hook (11) are of an integrated structure.
9. A step fastener according to claim 7, wherein: the connecting hole (12) is an opening hole; the connecting holes (12) are provided with a plurality of connecting holes.
10. A step fastener according to claim 7 or 9, characterized in that: the connecting hole (12) is an inclined hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221752809.6U CN217761559U (en) | 2022-07-08 | 2022-07-08 | Connecting sleeve for fixing step tightening and step tightening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221752809.6U CN217761559U (en) | 2022-07-08 | 2022-07-08 | Connecting sleeve for fixing step tightening and step tightening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761559U true CN217761559U (en) | 2022-11-08 |
Family
ID=83871202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221752809.6U Active CN217761559U (en) | 2022-07-08 | 2022-07-08 | Connecting sleeve for fixing step tightening and step tightening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217761559U (en) |
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2022
- 2022-07-08 CN CN202221752809.6U patent/CN217761559U/en active Active
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