CN214676075U

CN214676075U - Novel electronic case locker

Info

Publication number: CN214676075U
Application number: CN202120781223.1U
Authority: CN
Inventors: 周兵; 叶旭
Original assignee: Chengdu Autodesign Technology Co ltd
Current assignee: Chengdu Autodesign Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-09
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a novel electronic cabinet locker, which comprises a screw rod, a locking pin and a locking pin, wherein the screw rod is connected with an electronic cabinet mounting rack through a mounting support leg; the screw rod axially penetrates through the lock cap in a clearance fit manner, the lock cap and the screw rod synchronously rotate, and a hanging groove matched with a hook arranged on the electronic case is formed in the end face of the lock cap; the sleeve is arranged on the screw rod in a threaded connection mode and is positioned at the rear end of the lock cap; the utility model relates to a rationally, simple structure, through reasonable improvement back, convenient to use, it drives the part and realizes locking to need not external instrument, and the dismouting is also very convenient simultaneously.

Description

Novel electronic case locker

Technical Field

The utility model relates to an instrument and meter field specifically says a novel electronic machine case locker.

Background

At present, the military electronic chassis mostly adopts an A-type locking device, tools are needed for installation, time and convenience are both taken, common tools are inconvenient to use in places with narrow operation space, and the pretightening force of the nut on the A-type locker is uncontrollable, so that the pretightening force is too large or too small easily to cause mechanism failure.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a reasonable in design, simple structure, easy dismounting's locker of electron machine case here, through reasonable improvement back, convenient to use need not external instrument and drives the part and realize locking, and the dismouting is also very convenient simultaneously.

The utility model discloses a realize like this, construct a novel electronic machine case locker, include

The screw is connected to the electronic case mounting frame through the mounting support leg;

the screw rod axially penetrates through the lock cap in a clearance fit manner, the lock cap and the screw rod synchronously rotate, and a hanging groove matched with a hook arranged on the electronic case is formed in the end face of the lock cap;

the sleeve is arranged on the screw rod in a threaded connection mode and is positioned at the rear end of the lock cap; and

the driving assembly is sleeved on the sleeve and drives the sleeve to rotate relative to the screw rod, and the locking cap is driven to axially move relative to the screw rod through axial movement of the sleeve and is locked at a position.

Preferably, the drive assembly comprises

The knob is tubular and sleeved on the sleeve;

the lower ratchet wheel is arranged between the knob and the sleeve and synchronously rotates with the knob, and the lower ratchet wheel is in clearance fit with the sleeve;

the upper ratchet wheel is matched with the lower ratchet wheel for use and sleeved at the front part of the sleeve, the upper ratchet wheel is connected with the lock cap through a clamp spring, meanwhile, a parallel bearing is arranged between the upper ratchet wheel and the lock cap, the parallel bearing facilitates the relative rotation of the upper ratchet wheel and the lock cap, and the clamp spring has the function of ensuring that the upper ratchet wheel and the lock cap are integrated and can axially move integrally; and

the spring is fixedly installed at the rear part of the sleeve and sleeved on the sleeve and positioned between the spring retainer ring and the lower ratchet wheel; wherein the function of spring collar is spacing spring and reset spring, provides the strong point for it.

Preferably, the rear cover cap is installed at the tail end of the knob, and a return spring is arranged between the rear cover cap and the spring retainer ring. The purpose of this setting is, give the pull force of knob backward through reset spring to transmit this backward pull force to the block, thereby can realize the function of locking pretension.

Preferably, the tail part of the screw is provided with a limit check ring, and the purpose of the arrangement is to prevent the screw and the sleeve from being separated from the sleeve when the screw and the sleeve move axially.

Preferably, the screw is axially provided with a rotation stop plane, and the purpose of the arrangement is to enable the screw to move relative to the lock cap only in the axial direction but not to rotate in the radial direction.

Preferably, the middle of the lock cap is provided with an installation part matched with the rotation stopping plane, the edge of the rear end of the lock cap is provided with a clamping ring groove, and the clamping ring groove is provided with a buckling notch; the purpose of this setting is after locking, with the lock cap with the sleeve connection to can transmit power, and give the pretightning force through reset spring.

The utility model has the advantages of as follows:

the utility model relates to a rationally, simple structure is the locker of electron machine case, through reasonable improvement back, and convenient to use need not external instrument and drives the part and realize locking, and the dismouting is also very convenient simultaneously.

The rear pre-tightening knob is reasonably utilized to achieve the pre-tightening function, the ratchet wheel can also push the lock cap to move in a single direction, the whole mechanism moves smoothly, the whole mechanism is also very convenient to mount integrally, other external tools are not needed, and the pre-tightening force is definite, so that the locking is more stable.

Drawings

FIG. 1 is a schematic assembly view of the present invention;

fig. 2 is a schematic view of the connection state of the present invention;

FIG. 3 is a schematic view of the present invention in use;

FIG. 4 is a perspective view of the screw of the present invention;

fig. 5 is a schematic perspective view of the sleeve of the present invention;

FIG. 6 is a perspective view of the upper ratchet of the present invention;

FIG. 7 is a perspective view of the lock cap of the present invention;

fig. 8 is a perspective view of another perspective of the lock cap of the present invention;

FIG. 9 is a perspective view of the lower ratchet of the present invention;

fig. 10 is a perspective view of the knob of the present invention;

in the figure: 1. a screw; 2. a sleeve; 3. an upper ratchet wheel; 4. a lock cap; 5. a clamp spring; 6. a lower ratchet wheel; 7. a knob; 8. a spring collar; 9. a rear cap; 10. a braking retainer ring; 11. a parallel bearing; 12. a return spring; 13. mounting support legs; 14. an electronic chassis mounting bracket; 15. hooking; 16. an electronic chassis.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 10, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

As shown in fig. 1-3, a novel electronic cabinet locker comprises

The screw rod 1 is connected to an electronic cabinet mounting frame 14 through a mounting support leg 13;

the screw rod 1 axially penetrates through the lock cap in a clearance fit manner, the lock cap and the screw rod synchronously rotate, and a hanging groove 41 matched with a hook 15 arranged on the electronic case 16 is formed in the end face of the lock cap;

the sleeve 2 is arranged on the screw rod in a threaded connection mode and is positioned at the rear end of the lock cap 4; and

the driving assembly is sleeved on the sleeve 2 and drives the sleeve 2 to rotate relative to the screw rod 1, and the locking cap 4 is driven to axially move relative to the screw rod through the axial movement of the sleeve and is locked at a position.

In this embodiment, the driving assembly includes

The knob 7 is tubular and sleeved on the sleeve 2;

the lower ratchet wheel 6 is arranged between the knob 7 and the sleeve 2 and synchronously rotates with the knob 7, and the lower ratchet wheel 6 is in clearance fit with the sleeve 2;

the upper ratchet wheel 3 is matched with the lower ratchet wheel 6 for use and sleeved at the front part of the sleeve 2, the upper ratchet wheel 3 is connected with the lock cap 4 through the snap spring 5, and meanwhile, a parallel bearing 11 is arranged between the upper ratchet wheel 3 and the lock cap 4; and

and a spring retainer ring 8 is fixedly arranged at the rear part of the sleeve 2, and the spring is sleeved on the sleeve 2 and is positioned between the spring retainer ring 8 and the lower ratchet wheel 6.

In the present embodiment, a rear cap 9 is mounted on the rear end of the knob 7, and a return spring 12 is disposed between the rear cap 9 and the spring collar 8.

In this embodiment, a limit stop ring 10 is installed at the tail of the screw rod 1.

As shown in fig. 4, in the present embodiment, the screw 1 is axially provided with a rotation stop plane 101.

As shown in fig. 5-6, a rectangular linkage block 21 is disposed at the front of the sleeve 2, and a linkage connection portion 31 matched with the linkage block 21 is disposed at the middle of the upper ratchet 3.

As shown in fig. 7-8, in the present embodiment, the middle of the locking cap 4 is provided with an installation portion 42 matching with the rotation stop plane 101, and the rear end edge of the locking cap 4 is provided with an engaging ring groove 43, and the engaging ring groove 43 is provided with an engaging notch 44.

As shown in fig. 9, in the present embodiment, the outer end surface of the lower ratchet 6 is provided with a rotation stop lug 61.

As shown in fig. 10, in the present embodiment, the inner wall of the knob 7 is provided with a connecting tongue groove 71 matching with the rotation stop protrusion 61, and the front end of the knob is provided with a locking protrusion 72 which can enter the locking ring groove 43 from the locking notch 44 to realize the connection between the knob and the lock cap.

As shown in fig. 1 and 3, in the implementation of the present invention, the locking device is installed below the electronic chassis mounting frame 14 through the mounting leg 13, and the hook 15 is installed on the electronic chassis 16;

when in locking, the knob 7 is rotated, the knob 7 drives the lower ratchet 6, the lower ratchet drives the upper ratchet 3, the upper ratchet 3 drives the sleeve 2 to rotate, and the locking cap 4 is pushed to move on the screw rod 1 until the hanging groove 41 of the cap is matched and locked with the hook 15; when the rotating torque force is applied to the ratchet wheel to generate a pushing force which is greater than the resilience force of the spring, the upper ratchet wheel and the lower ratchet wheel are separated, the knob idles, and the locking is completed; the knob 7 is pushed forwards to be connected with the lock cap 4, the lock cap 4 is connected with the screw rod 1 through a square hole, and therefore the knob is braked to prevent loosening.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a novel electronic machine case locker which characterized in that: comprises that

The screw (1) is connected to the electronic case mounting frame (14) through a mounting support leg (13);

the screw rod (1) axially penetrates through the lock cap in a clearance fit manner, the lock cap and the screw rod synchronously rotate, and a hanging groove (41) matched with a hook (15) arranged on an electronic case (16) is formed in the end face of the lock cap;

the sleeve (2) is arranged on the screw rod in a threaded connection mode and is positioned at the rear end of the lock cap (4); and

the driving assembly is sleeved on the sleeve (2) and drives the sleeve (2) to rotate relative to the screw rod (1), and the locking cap (4) is driven to axially move relative to the screw rod through axial movement of the sleeve and is locked at a position.

2. The novel electronic cabinet locker of claim 1, wherein: the drive assembly comprises

The knob (7) is tubular and sleeved on the sleeve (2);

the lower ratchet wheel (6) is arranged between the knob (7) and the sleeve (2) and synchronously rotates with the knob (7), and the lower ratchet wheel (6) is in clearance fit with the sleeve (2);

the upper ratchet wheel (3) is matched with the lower ratchet wheel (6) for use and sleeved at the front part of the sleeve (2), the upper ratchet wheel (3) is connected with the lock cap (4) through a clamp spring (5), and meanwhile, a parallel bearing (11) is arranged between the upper ratchet wheel (3) and the lock cap (4); and

the spring, at sleeve (2) rear portion fixed mounting have spring collar (8), this spring suit in sleeve (2) and lie in between spring collar (8) and lower ratchet (6).

3. The novel electronic cabinet locker of claim 2, wherein: the rear cover cap (9) is installed at the tail end of the knob (7), and a return spring (12) is arranged between the rear cover cap (9) and the spring retainer ring (8).

4. The novel electronic cabinet locker of claim 1, wherein: and the tail part of the screw rod (1) is provided with a limiting check ring (10).

5. The novel electronic cabinet locker of claim 1, wherein: the screw (1) is axially provided with a rotation stopping plane (101).

6. The novel electronic cabinet locker of claim 5, wherein: the middle of the lock cap (4) is provided with an installation part (42) matched with the rotation stopping plane (101), the edge of the rear end of the lock cap (4) is provided with a clamping ring groove (43), and the clamping ring groove (43) is provided with a buckling notch (44).

7. The novel electronic cabinet locker of claim 2, wherein: the outer end face of the lower ratchet wheel (6) is provided with a rotation stopping lug (61).

8. The novel electronic cabinet locker of claim 7, wherein: and a connecting mortise (71) matched with the rotation stopping convex block (61) is formed in the inner wall of the knob (7).