CN201119196Y - Locking mechanism of support frame - Google Patents

Abstract

The utility model relates to a blocked mechanical system of support frame utilizes the space between two slide rails to suitably set up blocked mechanical system, include: a driving member having an inclined surface and a limiting hole; a locking block having an inclined plane and a guiding part and provided with a buckling part; a supporting frame, which is provided with a limiting part and a guiding groove; a push plate fixed on the driving piece; a pair of slide rails fixed on two side wall surfaces in the support frame; a sliding seat which is arranged between the sliding rails and is provided with a buckling part; the tension spring is arranged on the fixing plate of the support frame, and the tail end of the tension spring is fixed on the sliding seat; a cover plate fixed on the support frame.

Description

Locking mechanism of the support frame

technical field

The utility model relates to a locking mechanism of a support frame, in particular to a support frame suitable for display devices, computer equipment, or electronic instruments.

Background technique

The prior art, such as the Taiwan Patent Announcement No. M309183 "Supporting Structure with Locking Function" owned by the applicant of this case and announced on April 1, 2007, includes: a base 1, and a base 1 is fixed on its top surface. Base support frame 12; a latching member 2, which is slidably arranged on the surface of the base, and the latching member 2 is horizontally provided with at least one tenon 25; a connecting member 3, whose bottom and top respectively have a lower end 31 and an upper end 32, the lower end 31 is pivotally connected to the base 1 by a base hinge 5, and is in a reversible state, and the locked state is achieved by using the tenon 25, and by the lateral sliding of the catch member 2, The unlocked state is reached; a main bracket 4 is provided with a main bracket 41 at its lower end, and the main bracket 41 is pivotally connected with the upper end 32 of the connector 3 by a main hinge 6 and is in a reversible state.

However, if you want to set it as a slide rail type, you need to solve the problem of setting the locking mechanism, and if you want to set a tension spring to provide the auxiliary force for rising and falling, you need to avoid accidentally releasing the locking state when the tension spring is stretched .

Utility model content

Therefore, the main purpose of this utility model is to provide a locking mechanism for the support frame, which can be properly set up by using the gap between the two slide rails, and can avoid releasing the locked state due to misoperation or impact.

The technical scheme that the utility model solves its technical problem adopts is:

A locking mechanism for a support frame, comprising:

A driving part is provided with an inclined surface at the bottom end and a limiting hole at the top end;

A locking block is provided with an inclined surface and a guide portion at the bottom, the inclined surface abuts against the inclined surface of the driving member, and a fastening portion is provided at the top;

A support frame has a limiting portion and a guiding groove, the limiting portion is located in the limiting hole of the driving member, and the guiding portion of the locking block is passed through the guiding groove;

A push plate is fixed on the driving member, and the inner surface of the push plate is against the guide surface of the support frame;

A pair of slide rails are fixed on the two side walls inside the support frame;

A sliding seat that slides on these slide rails is arranged between these slide rails and has a J-shaped hook;

A tension spring is arranged on the fixing plate of the support frame, and the end of the tension spring is fixed on the sliding seat;

A cover plate is fixed on the support frame, and a first return spring is provided between the cover plate and the locking block; wherein, the locked state of the sliding seat and the locking block is that the J-shaped hook is fastened to the locking block The buckling part of the blocking block, and the slope at the bottom end of the blocking block is against the slope of the driving part; the unlocked state of the sliding seat and the blocking block is that the fastening part of the blocking block disengages from the J-shaped hook.

Wherein, the limiting hole of the driving part is a long slotted hole, and the top of the driving part is provided with a fixed hook; the limiting part of the support frame is a cylinder with a threaded hole, and the limiting part can be locked A bolt; through this, a second return spring can be set on the fixing hook between the bolt and the driver.

Wherein, an elastic body can be arranged inside the support frame to prevent the sliding seat from directly hitting the inside of the support frame.

Wherein, a swivel frame can be pivoted on the sliding seat, and a first rotating disk can be pivoted on the swivel frame, and a torsion spring can be arranged on the pivot of the sliding seat and the swivel frame.

Wherein, the first rotating disk is provided with a groove, and the rotating frame is provided with a stop part, and the stop part is located in the groove to limit the rotation angle of the first rotating disk.

Wherein, the bottom of the support frame can be pivoted with a second rotating disk.

The beneficial effects that the utility model has are:

In the locked state, the position of the sliding seat and the locking block can be limited, and at the same time, the position of the driving member and the push plate can be limited, so as to avoid releasing the locked state due to careless operation or improper impact.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Fig. 3 is another perspective view of the utility model three-dimensional decomposition;

Fig. 4 is the A-A sectional view of Fig. 1;

Fig. 5 to Fig. 8 are action diagrams of the utility model.

Detailed ways

In order to further understand the features, technical means, and achieved specific functions and objectives of the present utility model, a more specific embodiment is hereby enumerated, which will be described in detail below in conjunction with the accompanying drawings.

Please refer to Figures 1 to 8, the locking mechanism of the support frame of the present invention includes:

The driver 20 is provided with a slope 21 at the bottom and a limiting hole 22 at the top;

The locking block 30 is provided with an inclined surface 31 and a guide portion 32 at the bottom, the inclined surface 31 can lean against the inclined surface 21 of the driver 20, and a buckling portion 33 is provided at the top;

The support frame 10 has a limit portion 11 and a guide groove 12, the limit portion 11 can be located in the limit hole 22 of the driver 20, and the guide groove 12 can be used for the guide portion 32 of the locking block 30 to pass through;

The push plate 40 is fixed on the driving member 20 (for example: the push plate 40 passes through the perforation 13 of the support frame 10 with two fixing columns 41, and is fixed on the two fixing holes 23 of the driving member 20), and the inside of the push plate 40 The side 42 can abut against the guide surface 14 of the support frame 10 ;

A pair of slide rails 50 are fixed on the two side wall surfaces 15 inside the support frame 10;

The sliding seat 60 is arranged between the two slide rails 50, can slide on the two slide rails 50, and has a J-shaped hook 61;

The tension spring 70 is arranged on the fixing plate 16 of the support frame 10, and the end 71 of the tension spring 70 is fixed on the sliding seat 60;

The cover plate 80 is fixed on the support frame 10 , and a first return spring 81 is provided between the cover plate 80 and the locking block 30 ; thereby, the locking mechanism can be appropriately set by utilizing the gap between the two sliding rails 50 .

As shown in Figure 2, the limit hole 22 of the driver 20 can be a long slot, the top of the driver 20 is provided with a fixed hook 24, and the limit part 11 of the support frame 10 can be a cylinder with a threaded hole. , and the limiting portion 11 can lock a bolt 25 , and a second return spring 26 can be arranged on the bolt 25 and the fixing hook 24 . Furthermore, at least one elastic body 17 can be disposed inside the support frame 10 to prevent the sliding base 60 from directly hitting the inside of the support frame 10 . In addition, a swivel frame 62 can be pivoted on the sliding base 60, and a first rotating disc 63 can be pivoted on the swivel frame 62, and at least one torsion spring 65 can be arranged on the pivot 64 of the sliding seat 60 and the swivel frame 62, and the second A rotating disk 63 can be provided with a groove 631 , and the rotating frame 62 can be provided with a stop portion 621 , and the stop portion 621 is located in the groove 631 to limit the rotation angle of the first rotating disk 63 .

As shown in FIG. 3 , a second rotating disk 18 can be pivotally mounted on the bottom of the support frame 10 .

As shown in FIG. 4 , the sliding seat 60 can descend along the two slide rails 50 and the tension spring 70 is stretched by the end 71 of the tension spring 70 , and the J-shaped hook 61 of the sliding seat 60 is fastened to the fastening part of the locking block 30 33 to limit the position of the sliding seat 60 and the locking block 30 to form a locked state. At this time, the first return spring 81 can make the inclined surface 31 at the bottom end of the locking block 30 resist the inclined surface 21 of the driving member 20 to limit the driving member. 20 and the position of the push plate 40; thereby, to avoid releasing the locked state due to inadvertent operation or improper impact.

As shown in FIG. 5 , in the locked state, if the sliding seat 60 is pressed down, the J-shaped hook 61 can be disengaged from the engaging portion 33 of the locking block 30 .

As shown in FIG. 6 , when the J-shaped hook 61 is disengaged from the fastening portion 33 of the locking block 30 , if the push plate 40 is pushed, the driving member 20 can be linked, so that the locking block 30 can move inward along the slope 21 of the driving member 20 shrink to release the locked state, at the same time, the first return spring 81 is compressed and the second return spring 26 is stretched.

As shown in FIG. 7 , when the locked state is released, the stretched tension spring 70 can provide an auxiliary force for the sliding seat 60 to move up and down, so as to facilitate the movement of the sliding seat 60 .

As shown in Figure 8, when the sliding seat 60 goes up and down, the push plate 40 can be released, the stretched second return spring 26 can reset the driver 20, and the compressed first return spring 81 can make the locking block 30 reset. Therefore, in this invention, a display device, or computer equipment, or electronic instrument (not shown) can be arranged on the sliding seat 60, or on the rotating frame 62, or on the first rotating disk 63, so as to achieve the adjustment of the lifting. Purpose.

Claims (6)

1. the blocking mechanism of a bracing frame is characterized in that, comprising:

One actuator be to be provided with an inclined-plane in the bottom, and the top has a spacing hole;

One Breech block is to be provided with an inclined-plane and guidance part in the bottom, and this inclined-plane also is resisted against on the inclined-plane of this actuator, and the top is provided with a buckling parts;

One bracing frame has a limiting section and guide channel, and this limiting section also is arranged in the spacing hole of this actuator, and the guidance part of this Breech block is arranged in this guide channel;

One push pedal be to be fixed on this actuator, and the medial surface of this push pedal is resisted against the guiding face of this bracing frame;

A pair of slide rail is the two side walls that is fixed in this bracing frame inside;

One sliding seat that slides on these slide rails is to be arranged between these slide rails, and has J type grab;

One tension spring is to be arranged on the fixed head of this bracing frame, and the end of this tension spring is fixed on this sliding seat;

One cover plate is to be fixed on this bracing frame, between this cover plate and the Breech block and be provided with first back-moving spring; Wherein, the blocking of this sliding seat and Breech block is that this J type grab is buckled the buckling parts that is fixed in this Breech block, and the inclined-plane of this Breech block bottom props up the inclined-plane of this actuator; The unlocking state of this sliding seat and this Breech block is that the buckling parts of this Breech block breaks away from this J type grab.

2. the blocking mechanism of bracing frame according to claim 1 is characterized in that, the spacing hole of this actuator is the strip slotted eye, and the top of this actuator also is provided with stay hook; The limiting section of this bracing frame is the cylinder with screwed hole, and this limiting section bolt that locks, and second back-moving spring is set on the stay hook of this bolt and actuator.

3. the blocking mechanism of bracing frame according to claim 1 is characterized in that, the inside of this bracing frame is provided with an elastomer.

4. the blocking mechanism of bracing frame according to claim 1 is characterized in that, the swivel mount that is pivoted on this sliding seat, and first rotating disk that is pivoted on this swivel mount are on the pivot of this sliding seat and swivel mount and a torque spring is set.

5. the blocking mechanism of bracing frame according to claim 1 is characterized in that, this first rotating disk is provided with a groove, and this swivel mount is provided with a stop portion, and this stop portion also is arranged in this groove.

6. the blocking mechanism of bracing frame according to claim 1 is characterized in that, the bottom of this bracing frame is pivoted with second rotating disk.

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