Supporting shaft convenient to disassemble, assemble and maintain

Abstract

The utility model discloses a supporting shaft convenient to disassemble, assemble and maintain. The supporting shaft comprises a supporting shaft body, and the left end of the supporting shaft body extends into a chassis; the supporting shaft further comprises a clamping pin which slides in the base plate, the inner end of the clamping pin extends into a clamping groove to form a clamping mechanism, the clamping groove is formed in the left side of the supporting shaft body, the outer end of the clamping pin is meshed with a gear, the gear rotates in the base plate, the outer end of the gear is meshed with a moving rod, and the moving rod is arranged on the base plate. The moving rod slides in the chassis; the left end of the moving rod is connected with a first spring, and the left end of the first spring is connected to the interior of the chassis. The supporting shaft capable of being conveniently disassembled, assembled and maintained is provided with the clamping pin, the clamping pin is driven to move through movement of the moving rod, then the clamping pin can be driven to move through the gear, then the clamping pin can be disengaged from clamping of the clamping groove, and therefore the supporting shaft body can be conveniently disassembled, assembled and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of support shafts, in particular to a support shaft that can be conveniently disassembled, assembled and maintained. Background Art

[0002] The support shaft is a mechanical equipment accessory, and its main function is to provide support and stability for the object, so as to maintain the accuracy and stability of the workpiece or equipment during processing or movement. The support shaft can realize its function by bearing weight, supporting structure, etc., and is usually used in occasions where objects need to be supported;

[0003] Referring to the wheel-side reduction support shaft with publication number CN218031050U, the reduction support shaft, the sleeve tube and the reduction support seat are used in combination, so that the reduction support shaft and the reduction support seat of the wheel-side reduction support shaft can be connected and fixed by threads. In the connected state, the thread at the end of the reduction support shaft is connected to the second threaded area in the assembly groove, and the thread inside the sleeve tube is docked with the first threaded area outside the reduction support seat to ensure the stability of the reduction support shaft and the reduction support seat in the connected state. The reduction support shaft and the reduction support seat can be rotated to simultaneously separate the threads at the end of the reduction support shaft and the inner side of the sleeve tube from the second threaded area and the first threaded area, so that the reduction support shaft and the reduction support seat of the wheel-side reduction support shaft can be easily disassembled and replaced, reducing the waste of resources during maintenance and replacement. However, the following problems still exist:

[0004] In the actual use of the above device, although the purpose of convenient disassembly and assembly is achieved through the threaded connection, since the support seat and the support shaft are connected by threads, and the threaded connection needs to be rotated during disassembly and assembly, but the thread rotation takes some time, which in turn leads to an increase in the time consumed during disassembly and assembly, making the disassembly and assembly not convenient enough.

[0005] Therefore, we have proposed a support shaft that can be easily disassembled and maintained to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a support shaft that can be easily disassembled and maintained, so as to solve the problem raised by the above background technology that the support seat and the support shaft on the current market are connected by threads, and the threaded connection needs to be rotated during disassembly and assembly, but the thread rotation takes some time, which in turn leads to an increase in the time consumed during disassembly and assembly, making the disassembly and assembly not convenient enough.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a support shaft that can be conveniently disassembled and maintained, comprising a support shaft body, the left end of which extends into the interior of the chassis;

[0008] Also includes:

[0009] A bayonet pin slides inside the chassis, and the inner end of the bayonet pin extends into the interior of the slot to form a locking mechanism, and the slot is opened on the left side of the support shaft body, the outer end of the bayonet pin is engaged with a gear, and the gear rotates inside the chassis, and the outer end of the gear is engaged with a moving rod, and the moving rod slides inside the chassis.

[0010] Preferably, the left end of the moving rod is connected to a first spring, and the left end of the first spring is connected to the inside of the chassis.

[0011] Preferably, a turntable is rotatably disposed at the right end of the moving rod, and the left end of the turntable extends into the interior of the chassis to form a sliding mechanism.

[0012] Preferably, a slider is fixed to the left end of the turntable, and the outer end of the slider extends into the interior of the limiting groove to form a locking mechanism, and the limiting groove is opened inside the chassis.

[0013] Preferably, a groove is provided on the left side of the limiting groove, and a protrusion extends into the interior of the groove.

[0014] Preferably, the left end of the protrusion slides inside the chassis, and the right end of the protrusion is arranged in a semicircular shape.

[0015] Preferably, the left end of the protrusion is connected to a second spring, and the left end of the second spring is connected to the inside of the chassis.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the support shaft that can be conveniently disassembled and maintained can be conveniently disassembled and maintained and has good stability. The purpose of conveniently disassembling and assembling the support shaft body can be achieved by moving the bayonet pin, and the stability of the connection can be improved by the slider. The specific contents are as follows:

[0017] (1) A latch is provided, and the latch is moved by the movement of the moving rod, and then the latch can be moved by the gear, and then the latch is disengaged from the engagement with the slot, so that the support shaft body can be conveniently disassembled and maintained;

[0018] (2) A slider is provided, and the engagement of the slider with the limit groove enables the turntable to fix the moving rod, thereby preventing the moving rod from moving, thereby improving the stability after connection;

[0019] (3) A first spring is provided, and the left end of the moving rod is connected to the first spring, and the left end of the first spring is connected to the inside of the chassis, so that the first spring can push the moving rod to move, thereby facilitating the moving rod to drive the latch pin to move through the gear;

[0020] (4) A groove is provided, a groove is opened on the left side of the limiting groove, and a protrusion extends into the interior of the groove, so that the stability of the engagement between the slider and the limiting groove can be improved after the groove and the protrusion are engaged;

[0021] (5) A second spring is provided, and the left end of the protrusion is connected to the second spring, and the left end of the second spring is connected to the inside of the chassis, so that the second spring can limit the protrusion, thereby improving the stability of the protrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 This is a schematic diagram of the front cross-section structure of the turntable of the utility model;

[0025] Figure 4 This is a schematic diagram of the side section structure of the slider of the utility model;

[0026] Figure 5 This is a schematic diagram of the front cross-sectional structure of the convex block of the utility model;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the turntable of the utility model;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the gear of the utility model.

[0029] In the figure: 1. support shaft body; 2. chassis; 3. latch pin; 4. slot; 5. gear; 6. moving rod; 7. first spring; 8. turntable; 9. slider; 10. limit slot; 11. protrusion; 12. groove; 13. second spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1:

[0032] The utility model solves the problem that the existing support seat and the support shaft are connected by threads, and the threaded connection needs to be rotated during disassembly and assembly, but the thread rotation takes some time, which in turn increases the time consumed during disassembly and assembly, making the disassembly and assembly inconvenient. The purpose of convenient disassembly and assembly can be achieved by moving the bayonet 3. The utility model discloses:

[0033] A support shaft body 1, the left end of which extends into the interior of the chassis 2; further comprising: a bayonet 3, which slides inside the chassis 2, and the inner end of the bayonet 3 extends into the interior of the card slot 4 to form a card mechanism, and the card slot 4 is opened on the left side of the support shaft body 1, the outer end of the bayonet 3 is meshed with a gear 5, and the gear 5 rotates inside the chassis 2, and the outer end of the gear 5 is meshed with a moving rod 6, the moving rod 6 slides inside the chassis 2, the left end of the moving rod 6 is connected to a first spring 7, and the left end of the first spring 7 is connected to the interior of the chassis 2;

[0034] refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 , the force of the first spring 7 can push the moving rod 6 to move, and then the moving rod 6 moves to drive the gear 5 to rotate, so that the gear 5 rotates to drive the bayonet 3 to move, and then the bayonet 3 moves to disengage from the card slot 4, and then the support shaft body 1 is pulled, so that the support shaft body 1 moves to disengage from the chassis 2, and then the support shaft body 1 can be quickly disassembled, and by reversing the above operation, the support shaft body 1 can be quickly engaged in the interior of the chassis 2;

[0035] Embodiment 2:

[0036] The utility model solves the problem that the moving rod 6 in the first embodiment is not stable enough by engaging the slider 9 with the limiting groove 10 to improve the stability of the moving rod 6.

[0037] A rotating disk 8 is rotatably mounted on the right end of the moving rod 6, and the left end of the rotating disk 8 extends into the interior of the chassis 2 to form a sliding mechanism. A slider 9 is fixed to the left end of the rotating disk 8, and the outer end of the slider 9 extends into the interior of the limiting groove 10 to form a locking mechanism, and the limiting groove 10 is provided inside the chassis 2;

[0038] refer to Figure 1 , Figure 3 and Figure 4, by rotating the turntable 8, the turntable 8 drives the slider 9 to rotate, and then the slider 9 rotates to slide inside the limit groove 10, and then after the turntable 8 rotates to the position, the slider 9 rotates to disengage from the limit groove 10, and then the turntable 8 can move inside the chassis 2, and through the reverse operation, the turntable 8 is engaged to fix the moving rod 6, and then the bayonet 3 can stably engage with the bayonet slot 4;

[0039] Embodiment three:

[0040] The utility model solves the problem that the engagement between the slider 9 and the limiting groove 10 in the second embodiment is not stable enough, and the stability between the slider 9 and the limiting groove 10 is improved by engaging the protrusion 11 in the groove 12, and discloses:

[0041] A groove 12 is provided on the left side of the limiting groove 10, and a protrusion 11 extends into the interior of the groove 12. The left end of the protrusion 11 slides inside the chassis 2, and the right end of the protrusion 11 is arranged in a semicircular shape. The left end of the protrusion 11 is connected to a second spring 13, and the left end of the second spring 13 is connected to the interior of the chassis 2.

[0042] refer to Figure 1 , Figure 3 and Figure 5 The rotation of the slider 9 will drive the protrusion 11 to rotate, and then the rotation of the protrusion 11 will squeeze the groove 12, so that the protrusion 11 will move toward the inside of the chassis 2, and then the movement of the protrusion 11 will disengage from the engagement of the groove 12, and the movement of the protrusion 11 will squeeze the second spring 13, so that it can be compressed and stressed. The force of the second spring 13 can push the protrusion 11 into the inside of the groove 12 to form an engagement, thereby improving the stability of the engagement between the slider 9 and the limit groove 10.

[0043] Working principle: When using this support shaft that can be easily disassembled and maintained, first refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 , the moving rod 6 can be pushed to move by the force of the first spring 7, and then the moving rod 6 moves to drive the gear 5 to rotate, and then the latch pin 3 moves to disengage from the latch slot 4, and then the support shaft body 1 is pulled, so that the support shaft body 1 moves to disengage from the chassis 2, and by reversing the above operation, the support shaft body 1 can be quickly engaged in the interior of the chassis 2;

[0044] refer to Figure 1 , Figure 3 and Figure 4, by rotating the turntable 8, the turntable 8 drives the slider 9 to rotate, and then after the turntable 8 rotates to the position, the slider 9 is rotated to disengage from the limit groove 10, and the above operation is reversed to make the turntable 8 engage to fix the moving rod 6, and then the bayonet 3 can stably engage with the slot 4;

[0045] refer to Figure 1 , Figure 3 and Figure 5 The rotation of the slider 9 drives the protrusion 11 to rotate, and then the rotation of the protrusion 11 will squeeze the groove 12, and then the protrusion 11 will move and disengage from the engagement of the groove 12. The force of the second spring 13 can push the protrusion 11 into the interior of the groove 12 to form an engagement, thereby improving the stability of the engagement between the slider 9 and the limit groove 10.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A support shaft that can be easily disassembled and maintained, comprising a support shaft body (1), wherein the left end of the support shaft body (1) extends into the interior of a chassis (2); It is characterized in that Also includes: A latch (3) slides inside the chassis (2), and the inner end of the latch (3) extends into the inside of a slot (4) to form a latch mechanism, and the slot (4) is opened on the left side of the support shaft body (1), the outer end of the latch (3) is meshed with a gear (5), and the gear (5) rotates inside the chassis (2), and the outer end of the gear (5) is meshed with a moving rod (6), and the moving rod (6) slides inside the chassis (2).

2. A support shaft that can be easily disassembled and maintained according to claim 1, characterized in that: The left end of the moving rod (6) is connected to a first spring (7), and the left end of the first spring (7) is connected to the inside of the chassis (2).

3. A support shaft that can be easily disassembled and maintained according to claim 1, characterized in that: A rotating disk (8) is rotatably disposed at the right end of the moving rod (6), and the left end of the rotating disk (8) extends into the interior of the chassis (2) to form a sliding mechanism.

4. A support shaft that can be easily disassembled and maintained according to claim 3, characterized in that: A slider (9) is fixed to the left end of the rotating disk (8), and the outer end of the slider (9) extends into the interior of the limiting groove (10) to form a locking mechanism, and the limiting groove (10) is provided inside the chassis (2).

5. A support shaft that can be easily disassembled and maintained according to claim 4, characterized in that: A groove (12) is provided on the left side of the limiting groove (10), and a protrusion (11) extends into the interior of the groove (12).

6. A support shaft that can be easily disassembled and maintained according to claim 5, characterized in that: The left end of the protrusion (11) slides inside the bottom plate (2), and the right end of the protrusion (11) is arranged in a semicircular shape.

7. A support shaft that can be easily disassembled and maintained according to claim 6, characterized in that: The left end of the protrusion (11) is connected to a second spring (13), and the left end of the second spring (13) is connected to the inside of the chassis (2).

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