CN105697479A

CN105697479A - Connecting lock

Info

Publication number: CN105697479A
Application number: CN201610202861.7A
Authority: CN
Inventors: 蔡丹虎; 李展强; 张洪; 蒋旭华
Original assignee: Shenzhen Roevisual Technology Co Ltd
Current assignee: Shenzhen Roevisual Technology Co Ltd
Priority date: 2016-04-01
Filing date: 2016-04-01
Publication date: 2016-06-22
Anticipated expiration: 2036-04-01
Also published as: CN105697479B

Abstract

The invention discloses a connecting lock which comprises a base, a first rotary shaft and a lock hook. The lock hook is connected to the first rotary shaft. The base is provided with a first shaft hole. A stretching tongue part is arranged on the inner wall of the first shaft hole. A plurality of teeth are arranged in the circumferential direction of the first rotary shaft. The first rotary shaft is arranged in the first shaft hole in a penetrating mode, and the teeth are matched with the stretching tongue part. According to the connecting lock, the lock hook can be kept in the position of the specific rotation angle, and the lock hook does not swing even under slight shaking as the protruding teeth are arranged on the two sides of the stretching tongue part, so that the connecting lock is convenient to assemble and transport.

Description

Connect lock

Technical field

The present invention relates to fixed connection apparatus field, particularly relate to and lock a kind of connection。

Background technology

LED display is spliced by multiple LED box, owing to LED box weight ratio is heavier, generally adopts connection lock multiple LED box to be stitched together。

Splicing between current LED box is typically all and is attached and locking by the locker that intensity is higher, locker on market generally comprises metal stator and screw, wherein the two ends of sheet metal are fixed in two adjacent LED box respectively through screw, thus reaching the purpose of fixing connection。But the connected mode of this LED box is relatively time-consuming effort in actual mechanical process, inefficient。

Application number is 201410155096.9, name is called that the Chinese patent of latching device discloses a kind of snap close connected for display/panel bracket in LED box, it is correspondingly arranged the first snap close main body and the second snap close main body on two display frames, wherein the second snap close main body includes a tractive locking member, this tractive locking member is to be connected with handle by pivot, when needing to lock in groove position by tractive locking member button to the second snap close main body, swing handle completes locking afterwards。Main disadvantage is that of this kind of structure, due between tractive locking member and handle only with pivotally connected, therefore when tractive locking member is adjusted to an angle position, tractive locking member is because keeping this angle position, and can produce when there being weak vibrations to swing, this is unfavorable for installing and transport。

Summary of the invention

The technical problem to be solved is to provide a kind of latch hook that realizes and is positioned the connection lock of specified angle at rotation process。

In order to solve above-mentioned technical problem, the technical solution used in the present invention is: providing one to connect lock, including base, the first rotating shaft and latch hook, described latch hook is connected in the first rotating shaft, described base is offered the first axis hole, the internal face of described first axis hole is provided with telescopic tongue；

Multiple teeth are circumferentially offered in described first rotating shaft, described first rotating shaft be located in the first axis hole and teeth and described telescopic tongue suitable。

The beneficial effects of the present invention is: the connection of the present invention is locked on base and offers the first axis hole, it is provided with telescopic tongue in first axis hole, first rotating shaft is plugged in the first axis hole and suitable with telescopic tongue, this telescopic tongue is when the first axis of rotation, telescopic tongue can insert in corresponding two teeth grooves, thus can according to the concrete angle turned to, latch hook is kept to be in this angle position, due to the teeth that telescopic tongue both sides are protruding, so even be that weak vibrations latch hook swings without generation, conveniently install and transport。

Accompanying drawing explanation

Fig. 1 is the structural representation connecting lock of the embodiment of the present invention；

Fig. 2 is the STRUCTURE DECOMPOSITION figure connecting lock of the embodiment of the present invention；

Fig. 3 is the A portion enlarged drawing of Fig. 2；

Fig. 4 is the sectional view connecting lock of the embodiment of the present invention；

Fig. 5 is the side view during locking connecting lock of the embodiment of the present invention；

Structural representation when opening is locked in the connection that Fig. 6 is the embodiment of the present invention；

The lock that connects that Fig. 7 is the embodiment of the present invention installs, with display/panel bracket, the structural representation coordinated。

Label declaration:

1, base；11, ring body；111, the first limiting section；112, the second limiting section；12, Rotational Cylindrical；121, the first axis hole；122, the second axis hole；123, accepting groove；2, the first rotating shaft；21, teeth；3, latch hook；4, shank of the key；41, handle；42, linking arm；43, the first connecting hole；44, the second connecting hole；45, position-limit mechanism；451, bearing pin；452, torsion spring；453, button；5, telescopic tongue；51, protruding；52, cylindrical base；53, elastic component；54, elongated slot；6, the second rotating shaft；7, locating part；8, lock hook seat；81, groove；100, display/panel bracket。

Detailed description of the invention

By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail。

The design of most critical of the present invention is in that: offers on the base 1 of the present invention and is provided with telescopic tongue 5 on the internal face of the first axis hole 121 and the first axis hole 121, multiple teeth 21 are offered in first rotating shaft 2 and the first rotating shaft 2 is located in axis hole, the present invention can the with good grounds concrete angle turned to, the effectively location of maintenance latch hook 3。

Referring to Fig. 1 to Fig. 4, the present invention connects lock, and including base the 1, first rotating shaft 2 and latch hook 3, described latch hook 3 is connected in the first rotating shaft 2, described base 1 is offered the first axis hole 121, the internal face of described first axis hole 121 is provided with telescopic tongue 5；

Multiple teeth 21 are circumferentially offered in described first rotating shaft 2, and described first rotating shaft 2 is located in the first axis hole 121 and teeth 21 are suitable with described telescopic tongue 5。

Known from the above, the beneficial effects of the present invention is: the connection of the present invention is locked on base 1 and offers the first axis hole 121, it is provided with telescopic tongue 5 in first axis hole 121, first rotating shaft 2 is plugged in the first axis hole 121 and suitable with telescopic tongue 5, this telescopic tongue 5 is when the first rotating shaft 2 rotates, telescopic tongue 5 can insert in the groove between corresponding two teeth 21, thus can according to the concrete angle turned to, latch hook 3 is kept to be in this angle position, due to the teeth 21 that telescopic tongue 5 both sides are protruding 51, so even be that weak vibrations latch hook 3 is without producing to swing, convenient installation and transport。

Further, shank of the key 4 is also included；Described base 1 includes ring body 11 and the Rotational Cylindrical 12 being arranged on ring body 11, and described first axis hole 121 is opened in Rotational Cylindrical 12；

Being further opened with the second axis hole 122 in described Rotational Cylindrical 12, wear the second rotating shaft 6 in described second axis hole 122, described shank of the key 4 is connected with the first rotating shaft 2 and the second rotating shaft 6 respectively。

Referring collectively to Fig. 5 and Fig. 6, in the present embodiment, base 1 includes ring body 11, arranges fixed part in the bottom of ring body 11, and Rotational Cylindrical 12 is in the centre bore rotating and being arranged on ring body 11。In the present embodiment, shank of the key 4 with latch hook 3 when being in full open position, namely both have relatively mitre time, being snapped onto by latch hook 3 in a snap seats, now pull shank of the key 4 and make it rotate towards latch hook 3 side, Rotational Cylindrical 12 can rotate along with shank of the key 4, to shank of the key 4 be in above latch hook 3 time, in the present embodiment, when namely both are in 0 ° of angle, latch hook 3 is locked in a snap seats。

Further, described shank of the key 4 includes handle 41 and is arranged on two linking arms 42 of handle 41 one end, described in two, linking arm 42 is U-shaped, described in two, the spacing between linking arm 42 is suitable with ring body 11, described linking arm 42 offers the first connecting hole 43 and the second connecting hole 44, described first rotating shaft 2 is connected in the first connecting hole 43, and described second rotating shaft 6 is connected in the second connecting hole 44。

Further, described Rotational Cylindrical 12 offering accepting groove 123, described accepting groove 123 connects with the first axis hole 121, and described telescopic tongue 5 is arranged in accepting groove 123 and telescopic tongue 5 stretches out accepting groove 123 and is inserted between teeth 21。

As it can be seen, this Rotational Cylindrical 12 is cylinder, accepting groove 123 is offer along the radial direction of Rotational Cylindrical 12 and make it connect with the first axis hole 121。

Further, described telescopic tongue 5 includes cylindrical base 52, is arranged on the projection 51 of cylindrical base 52 one end and is arranged on the elastic component 53 of cylindrical base 52 other end。

Telescopic tongue 5 is arranged in accepting groove 123, and the end of its projection 51 is stretched out towards the first through hole, and cylindrical base 52 and elastic component 53 are then positioned at groove position。

Further, described cylindrical base 52 being offered elongated slot 54, described Rotational Cylindrical 12 offers through hole, described through hole is relative with described elongated slot 54, arranges locating part 7 in described through hole, and the end of described locating part 7 is plugged in elongated slot 54。

This through hole is axially offered along Rotational Cylindrical 12, cylindrical base 52 offers elongated slot 54, arranging a screw in through hole makes the end of screw insert in elongated slot 54, owing to accepting groove 123 is radially offered, therefore, when the first rotating shaft 2 rotates, telescopic tongue 5 can slide along accepting groove 123, so that telescopic tongue 5 stretches, and elongated slot 54 coordinates with the end of screw, so that the collapsing length of telescopic tongue 5 is limited in the length range of elongated slot 54。

Further, the outside wall surface of described ring body 11 is provided with the first limiting section 111, and described linking arm 42 is provided with the position-limit mechanism 45 suitable with described first limiting section 111。

Seen from the above description, the outside wall surface of ring body 11 arranges the first limiting section 111, and makes itself and the first position-limit mechanism 45 suitable so that shank of the key 4 can be fixed after reaching precalculated position further。In the present embodiment, this first limiting section 111 be arranged on shank of the key 4 locking after up to maximum position place。

Further, described position-limit mechanism 45 includes bearing pin 451, the button 453 being set on described bearing pin 451 on linking arm 42 described in connection two and is set on bearing pin 451 for controlling the torsion spring 452 of described button 453 return。

Further, the both sides of described ring body 11 arrange the second limiting section 112, and described second limiting section 112 is towards ring body 11 both sides projection 51, and described second limiting section 112 is suitable with described linking arm 42。

Seen from the above description, the outside wall surface of ring body 11 arranges the second limiting section 112, and makes itself and linking arm 42 suitable, this second limiting section 112 be arranged on after shank of the key 4 locking up to maximum position place。

Further, referring collectively to Fig. 7, also include lock hook seat 8, described lock hook seat 8 offers the groove 81 that a plurality of and described latch hook 3 is suitable。Such as figure, lock hook seat 8 and base 1 are connected respectively in the left and right sides of display/panel bracket 100, and this lock hook seat 8 offers three grooves 81, and these three groove 81 intervals are arranged so that latch hook has different connection angles from lock hook seat 8。

Refer to Fig. 1 to Fig. 7, embodiments of the invention one are: the present embodiment connects lock, including base the 1, first rotating shaft 2, latch hook 3, shank of the key the 4, second rotating shaft 6, telescopic tongue 5 and lock hook seat 8, lock hook seat 8 offers the groove 81 corresponding with latch hook 3, the quantity of groove 81 is 3, after latch hook 3 is connected to different groove 81 and make display/panel bracket can have different connection angles。

This base 1 includes ring body 11 and Rotational Cylindrical 12, and Rotational Cylindrical 12 rotates in the centre bore being arranged on ring body 11。Offering the first axis hole 121 and the second axis hole 122 in Rotational Cylindrical 12 vertically, Rotational Cylindrical 12 radially reversely offers accepting groove 123, and accepting groove 123 connects with the first axis hole 121。

This telescopic tongue 5 includes cylindrical base 52, is arranged on the projection 51 of cylindrical base 52 one end and is arranged on the spring of cylindrical base 52 other end, and cylindrical base 52 and spring are arranged in accepting groove 123。Offering elongated slot 54 in this cylindrical base 52, Rotational Cylindrical 12 offers through hole, through hole is relative with elongated slot 54, arranges locating part 7 in through hole, and the end of locating part 7 is plugged in elongated slot 54。

This first rotating shaft 2 includes the circle teeth 21 being axially arranged in the first rotating shaft 2 outside wall surface, and this first rotating shaft 2 is located in the first axis hole 121, and the projection 51 of telescopic tongue 5 is inserted between teeth 21。

This shank of the key 4 includes handle 41 and is arranged on two linking arms 42 of handle 41 one end, two linking arms 42 are U-shaped, spacing between two linking arms 42 is suitable with ring body 11, described ring body is arranged between two linking arms, linking arm 42 offers the first connecting hole 43 and the second connecting hole 44, first rotating shaft 2 is connected in the first connecting hole 43, and described second rotating shaft 6 is connected in the second connecting hole 44。

Embodiments of the invention two are, it is different in that with embodiment one, the outside wall surface of ring body 11 is additionally provided with the first limiting section 111, linking arm 42 is provided with the position-limit mechanism 45 suitable with the first limiting section 111, and the both sides of ring body 11 arrange the second limiting section 112, second limiting section 112 is projection 51 outside ring body 11, and the second limiting section 112 is suitable with linking arm 42。

This position-limit mechanism 45 includes bearing pin 451, the button 453 being set on described bearing pin 451 on linking arm 42 described in connection two and is set on bearing pin 451 for controlling the torsion spring 452 of described button 453 return。

In sum, provided by the invention connect lock, can the with good grounds concrete angle turned to, keep latch hook to be in this angle position, convenient install and transport, and this connection lock can also adjust connection angle。

The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention and accompanying drawing content to make, or directly or indirectly it is used in relevant technical field, all in like manner include in the scope of patent protection of the present invention。

Claims

1. one kind connects lock, and including base, the first rotating shaft and latch hook, described latch hook is connected in the first rotating shaft, it is characterised in that offer the first axis hole on described base, the internal face of described first axis hole is provided with telescopic tongue；

2. according to claim 1 connection locks, it is characterised in that also include shank of the key；Described base includes ring body and the Rotational Cylindrical being arranged on ring body, and described first axis hole is opened in Rotational Cylindrical；

Being further opened with the second axis hole in described Rotational Cylindrical, wear the second rotating shaft in described second axis hole, described shank of the key is connected with the first rotating shaft and the second rotating shaft respectively。

3. according to claim 2 connection locks, it is characterized in that, described shank of the key includes handle and is arranged on two linking arms of handle one end, described in two, linking arm is U-shaped, described in two, the spacing between linking arm is suitable with ring body, offering the first connecting hole and the second connecting hole on described linking arm, described first rotating shaft is connected in the first connecting hole, and described second rotating shaft is connected in the second connecting hole。

4. according to claim 2 connection locks, it is characterised in that offering accepting groove, described accepting groove and the connection of the first axis hole in described Rotational Cylindrical, described telescopic tongue is arranged in accepting groove and telescopic tongue stretches out accepting groove and is inserted between teeth。

5. according to claim 2 connection locks, it is characterised in that described telescopic tongue includes cylindrical base, is arranged on the projection of cylindrical base one end and is arranged on the elastic component of the cylindrical base other end。

6. according to claim 5 connection locks, it is characterised in that offering elongated slot in described cylindrical base, described Rotational Cylindrical offers through hole, described through hole is relative with described elongated slot, arranges locating part in described through hole, and the end of described locating part is plugged in elongated slot。

7. according to claim 3 connection locks, it is characterised in that the outside wall surface of described ring body is provided with the first limiting section, and described linking arm is provided with the position-limit mechanism suitable with described first limiting section。

8. according to claim 7 connection locks, it is characterised in that described position-limit mechanism includes bearing pin, the button being set on described bearing pin on linking arm described in connection two and is set on bearing pin for controlling the torsion spring of described button return。

9. according to claim 3 connection locks, it is characterised in that the both sides of described ring body arrange the second limiting section, and described second limiting section is protruding towards ring body both sides。

10. the connection lock according to any one of claim 1-8, it is characterised in that also include lock hook seat, described lock hook seat offers the groove that a plurality of and described latch hook is suitable。