CN201718615U

CN201718615U - Dual fail-safe belt key ring

Info

Publication number: CN201718615U
Application number: CN2010202687773U
Authority: CN
Inventors: 陈士明
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-23
Filing date: 2010-07-23
Publication date: 2011-01-26
Anticipated expiration: 2020-07-23

Abstract

The utility model relates to a key ring, particularly to a dual fail-safe belt key ring, and overcomes the defects of low reliability and easy key loss of the conventional belt key ring. The dual fail-safe belt key ring is characterized in that the front wall of a belt support is connected with the rear wall of a lock body into a whole; an opening is formed on the front wall of the lock box and is composed of a key ring fixing groove, a skid road, a control lever embedding groove and a lifting groove that are communicated in sequence from the bottom up; a dual fail-safe lock catch is arranged at the top of the control lever embedding groove; a lock cylinder is fixed between the front wall skid road and the rear wall groove of the lock box and can rotate and move up and down in the direction of a central shaft; and the control lever with a lock ball is J-shaped and is divided into three connecting ends, namely a hooked end and two straight ends, wherein the lock ball is mounted at the hooked end, one straight end is fixed at the upper part of the lock cylinder and is connected coaxially, a blind hole is formed at the other straight end, the bottom end of a shaft lever is embedded in the blind hole, a gap is left between the bottom of the blind hole and the bottom end of the shaft lever, the top end of the shaft lever is fixed at the top of the inner wall of the lock box, and a spring is nested between the top end of the shaft lever and the middle connecting point of the control lever with the lock ball. The dual fail-safe belt key ring is used for hanging a key on a belt.

Description

Dual fail-safe belt key chain

Technical field

The utility model relates to a kind of key chain.

Background technology

Usually the key chain that uses on the belt can exist to bump because of carelessness and unblank to detain the situation that makes key loss, the problem that reliability is not high.

Summary of the invention

The utility model is not high in order to solve existing belt key chain reliability, makes the defective of key loss easily, and has proposed a kind of dual fail-safe belt key chain.

The utility model comprises belt holder, lock box, lock, the control lever that has lock ball, spring, axostylus axostyle and dual fail-safe snap close; The antetheca of belt holder and the rear wall of lock box link into an integrated entity; The antetheca of lock box has opening, and opening is made up of the key-ring fixing groove, slideway, control lever embedded groove and the upgrading slot that are communicated with from bottom to top successively; The antetheca bottom of lock box upwards has the parallel key-ring fixing groove of twice, upwards have the rectangle slideway along twice key-ring fixing groove outside sidewall, and the length of slideway is greater than the height of lock, slideway crown center position has upgrading slot, and slideway top one side has the control lever embedded groove; The top of control lever embedded groove is provided with the dual fail-safe snap close, and the lock ball that the dual fail-safe snap close is used for having the control lever of lock ball is fixed in the lock box; Have groove on the lock box rear wall with on the pairing position of slideway, lock fixes between the antetheca slideway and lock box rear wall groove of lock box, and can and move up and down along the central axis direction rotation, the control lever that has the control lever of lock ball is the J-shaped control lever, the J-shaped control lever is divided into three links, be two straight ends and a crotch end, the crotch end of J-shaped control lever is equipped with lock ball, a straight end of J-shaped control lever is fixed on lock top and its coaxial connection, another of J-shaped control lever directly held and is provided with blind hole, the bottom of axostylus axostyle is embedded in another blind hole of directly holding of J-shaped control lever, between the bottom of described blind hole bottom and axostylus axostyle the space is arranged, the top of axostylus axostyle is fixed on the top of lock box inwall, and the axostylus axostyle top is with spring between the intermediate connection point of the control lever that has lock ball.

Belt key chain of the present utility model will have the lock ball of the control lever of lock ball to be fixed once more by the dual fail-safe snap close, has reached the effect that prevents that mistake from bumping, and has improved reliability.

Description of drawings

Fig. 1 is the structural representation of the specific embodiment three, Fig. 2 is the structural representation of the specific embodiment four, Fig. 3 is the front view of the specific embodiment three, Fig. 4 is the A-A cutaway view of Fig. 3, Fig. 5 is the front view that the control lever that has lock ball 4 of the specific embodiment three is positioned at dual fail-safe snap close 7, Fig. 6 is the C-C cutaway view of Fig. 5, Fig. 7 is the front view of the specific embodiment four, Fig. 8 is the B-B cutaway view of Fig. 7, Fig. 9 is the front view that the control lever that has lock ball 4 of the specific embodiment four is positioned at dual fail-safe snap close 7, and Figure 10 is the D-D cutaway view of Fig. 9, and Figure 11 is the E-E cutaway view of Fig. 3, Figure 12 is an a portion enlarged drawing, and Figure 13 is a b portion enlarged drawing.

The specific embodiment

The specific embodiment one: in conjunction with Fig. 1 to Figure 13 present embodiment is described, present embodiment comprises belt holder 1, lock box 2, lock 3, the control lever 4 that has lock ball, spring 5, axostylus axostyle 6 and dual fail-safe snap close 7; The rear wall of the antetheca of belt holder 1 and lock box 2 links into an integrated entity; The antetheca of lock box 2 has opening 8, and opening 8 is made up of the key-ring fixing groove 81, slideway 82, control lever embedded groove 83 and the upgrading slot 84 that are communicated with from bottom to top successively; The antetheca bottom of lock box 2 upwards has the parallel key-ring fixing groove 81 of twice, form a hook arrangement, be used to hang key-ring, upwards have rectangle slideway 82 along twice key-ring fixing groove 81 outside sidewalls, and the length of slideway 82 is greater than the height of lock 3, slideway 82 crown center positions have upgrading slot 84, and the motion the when control lever 4 that is used to have lock ball promotes locks 3 highly limits groove, and slideway 82 tops one side has control lever embedded groove 83; Be used to embed the standing groove of the control lever 4 that has lock ball, the top of control lever embedded groove 83 is provided with dual fail-safe snap close 7, and the lock ball 10 that dual fail-safe snap close 7 is used for having the control lever 4 of lock ball is fixed in the lock box 2; The control lever 4 that dual fail-safe snap close 7 will have lock ball is fixed in the box body, prevented to bump by mistake, have groove 9 on lock box 2 rear walls with on the slideway 82 pairing positions, lock 3 fixes between the antetheca slideway 82 and lock box 2 rear wall grooves 9 of lock box 2, and can and move up and down along the central axis direction rotation, the control lever that has the control lever 4 of lock ball is the J-shaped control lever, the J-shaped control lever is divided into three links, be two straight ends and a crotch end, the crotch end of J-shaped control lever is equipped with lock ball 10, a straight end of J-shaped control lever is fixed on lock 3 tops and its coaxial connection, another of J-shaped control lever directly held and is provided with blind hole, the bottom of axostylus axostyle 6 is embedded in another blind hole of directly holding of J-shaped control lever, between the bottom of described blind hole bottom and axostylus axostyle 6 space is arranged, the top of axostylus axostyle 6 is fixed on the top of lock box 2 inwalls, and axostylus axostyle 6 tops are with spring 5 between the intermediate connection point of the control lever 4 that has lock ball.

The specific embodiment two: present embodiment is described in conjunction with Fig. 1 to Figure 10, present embodiment and the specific embodiment one difference are that dual fail-safe snap close 7 is by two locking plates 71 with transfer to mechanism 72 to form, two circular arc locking plates that locking plate 71 is made for elastic material, be symmetrical arranged two circular arc notches on the control lever embedded groove 83 top side walls, described two locking plates 71 are provided with respectively in described two circular arc notches, and locking plate 71 is used to stop that lock ball 10 gives prominence to outside lock box 2, transfers to mechanism 72 to be arranged on the circular arc notch.Other composition is identical with the specific embodiment one with connected mode.Two locking plates 71 will have lock ball by fixing lock ball control lever 4 is fixed in the box body, has prevented that mistake from bumping.

The specific embodiment three: in conjunction with Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 present embodiment is described, it is a circular open that is communicated with two circular arc notches that present embodiment is to transfer to mechanism 72 with the specific embodiment two differences.Other composition is identical with the specific embodiment two with connected mode.When thinking to have control lever 4 At time of ejects of lock ball, stretch in the circular open with finger, the lock ball that will have on the control lever 4 of lock ball is transferred to.

The specific embodiment four: present embodiment is described in conjunction with Fig. 2, Fig. 7, Fig. 8, Fig. 9 and Figure 10, present embodiment and the specific embodiment two differences are to transfer to mechanism 72 by transfering to plate 721 and connecting shaft 722 to form, transfering to plate 721 is the Z types that connected to form successively by outside pressing plate, connecting plate and pop-up board, transfers to the connecting plate of plate 721 to be connected on the lock box 2 by connecting shaft 722.Other composition is identical with the specific embodiment two with connected mode.When thinking to have control lever 4 At time of ejects of lock ball, the outside pressing plate that press...withes one's finger, connecting plate be along the axially-movable of connecting shaft, and the lock ball that drives on the control lever 4 that pop-up board will have lock ball is transferred to.

The specific embodiment five: the present embodiment and the specific embodiment one, two, three or four differences are lock 3, have control lever 4, spring 5, axostylus axostyle 6 and the dual fail-safe snap close 7 of lock ball, and the opening on the lock box 28 constituted latch components, is provided with a cover latch components on the lock box 2 at least.Other composition is identical with the specific embodiment one, two, three or four with connected mode.

Principle:

In conjunction with Fig. 1 to Fig. 4, and Fig. 7 and Fig. 8 explanation control lever 4 of having a lock ball is positioned at the outer course of work of lock box 2: the control lever 4 that has lock ball drives locks 3 and in axial direction moves up, the blind hole bottom of the control lever 4 of lock ball is closely pressed close to have in the bottom of axostylus axostyle 6, produce the space between the hook arrangement that lock 3 bottoms and key-ring fixing groove 81 form, from the slit, be put into key-ring on the hook arrangement; Lock 3 is got back to original position under the effect of spring 5.

In conjunction with Fig. 5 and Fig. 6, and Fig. 9 and Figure 10 explanation control lever 4 of having a lock ball is positioned at the course of work of lock box 2: the control lever 4 that has lock ball in axial direction rotate, exerts oneself to press at lock ball 10, lock ball 10 is embedded in the lock box 2, and stops by locking plate 71.In the time lock ball 10 will being taken out, lock ball 10 is transferred to by transfering to 72 mechanisms of mechanism.

The utility model content is not limited only to the content of the respective embodiments described above, and the combination of one of them or several specific embodiment equally also can realize the purpose of inventing.

Claims

1. dual fail-safe belt key chain is characterized in that it comprises belt holder (1), lock box (2), lock (3), the control lever (4) that has lock ball, spring (5), axostylus axostyle (6) and dual fail-safe snap close (7); The rear wall of the antetheca of belt holder (1) and lock box (2) links into an integrated entity; The antetheca of lock box (2) has opening (8), and opening (8) is made up of the key-ring fixing groove (81), slideway (82), control lever embedded groove (83) and the upgrading slot (84) that are communicated with from bottom to top successively; The antetheca bottom of lock box (2) upwards has the parallel key-ring fixing groove (81) of twice, upwards have rectangle slideway (82) along twice key-ring fixing groove (81) outside sidewall, and the length of slideway (82) is greater than the height of lock (3), slideway (82) crown center position has upgrading slot (84), and slideway (82) top one side has control lever embedded groove (83); The top of control lever embedded groove (83) is provided with dual fail-safe snap close (7), and the lock ball (10) of dual fail-safe snap close (7) control lever (4) that is used for having lock ball is fixed in the lock box (2); Have groove (9) on lock box (2) rear wall with on the pairing position of slideway (82), lock (3) fixes between the antetheca slideway (82) and lock box (2) rear wall groove (9) of lock box (2), and can and move up and down along the central axis direction rotation, the control lever that has the control lever (4) of lock ball is the J-shaped control lever, the J-shaped control lever is divided into three links, be two straight ends and a crotch end, the crotch end of J-shaped control lever is equipped with lock ball (10), a straight end of J-shaped control lever is fixed on lock (3) top and its coaxial connection, another of J-shaped control lever directly held and is provided with blind hole, the bottom of axostylus axostyle (6) is embedded in another blind hole of directly holding of J-shaped control lever, between the bottom of described blind hole bottom and axostylus axostyle (6) space is arranged, the top of axostylus axostyle (6) is fixed on the top of lock box (2) inwall, and axostylus axostyle (6) top is to being with spring (5) between the intermediate connection point of the control lever that has lock ball (4).

2. dual fail-safe belt key chain according to claim 1, it is characterized in that dual fail-safe snap close (7) is by two locking plates (71) with transfer to mechanism (72) to form, the circular arc locking plate that two locking plates (71) are made for elastic material, be symmetrical arranged two circular arc notches on the side walls of control lever embedded groove (83) top, described two locking plates (71) are provided with respectively in described two circular arc notches, and locking plate (71) is used to stop that lock ball (10) gives prominence to outside lock box (2), transfers to mechanism (72) to be arranged on the circular arc notch.

3. dual fail-safe belt key chain according to claim 2, it is characterized in that transfering to mechanism (72) is a circular open that is communicated with two circular arc notches.

4. dual fail-safe belt key chain according to claim 2, it is characterized in that transfering to mechanism (72) by transfering to plate (721) and connecting shaft (722) to form, transfering to plate (721) is the Z type that is connected to form successively by outside pressing plate, connecting plate and pop-up board, transfers to the connecting plate of plate (721) to be connected on the lock box (2) by connecting shaft (722).

5. according to claim 1,2,3 or 4 described dual fail-safe belt key chains, it is characterized in that lock (3), have control lever (4), spring (5), axostylus axostyle (6) and the dual fail-safe snap close (7) of lock ball, and the opening (8) on the lock box (2) constituted latch components, is provided with a cover latch components on the lock box (2) at least.