CN211287023U - Mute lock tongue and lock - Google Patents

Abstract

The utility model provides a silence spring bolt and tool to lock has solved the gum cover on the current silence spring bolt and has easily caused the flexible smooth and easy problem of nature of local protrusion influence spring bolt after warping, and its technical scheme main points are that the silence spring bolt includes the spring bolt body, the spring bolt body is connected with the buffer block along the both sides of its flexible direction, the buffer block is followed the spring bolt body rather than the planar projection protrusion in the lateral wall of lateral wall place that is connected in the edge of lateral wall. Set up the buffer block through the both sides at the spring bolt body, because the whole profile of buffer block is greater than the lateral wall profile of spring bolt body, can avoid the direct contact of spring bolt body and lock body curb plate, played the effect of noise reduction, in addition, such setting can avoid better producing local arch after receiving friction extrusion or expend with heat and contract with cold, and is more smooth and easy when messenger's spring bolt is flexible.

Description

Mute lock tongue and lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to a tool to lock of silence spring bolt and applied this silence spring bolt.

Background

Present spring bolt is made by the metal mostly, can take place the friction and produce the noise with the lock body curb plate at the flexible in-process of spring bolt, consequently the silence spring bolt of the noise that can reduce the flexible in-process of spring bolt and produce begins to appear, the mode of its adoption is that the gum cover is circled on one at the spring bolt periphery, avoid spring bolt metal part and lock body to take place the friction and make a sound, but adopt this mode to fall and make an uproar, because the gum cover itself is the loop configuration, in the use, owing to receive the local protrusion that leads to the gum cover after friction extrusion or expend with heat and contract with cold easily, thereby cause the spring bolt flexible not.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose aims at providing a silence spring bolt that can improve the flexible smooth and easy nature of spring bolt.

Another object of the utility model is to provide a tool to lock that adopts above-mentioned silence spring bolt.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a silence spring bolt, includes the spring bolt body, the spring bolt body is connected with the buffer block along its both sides of flexible direction, the buffer block is followed the spring bolt body with the planar projection protrusion in the lateral wall of lateral wall place that is connected.

Through the scheme, the buffer blocks are arranged on the two sides of the lock bolt body, and the overall profile of the buffer blocks is larger than that of the side wall of the lock bolt body, so that the direct contact between the lock bolt body and the side plate of the lock body can be avoided, the noise reduction effect is achieved, in addition, the arrangement can better avoid local bulge after friction extrusion or expansion and contraction, and the lock bolt is more smooth when stretching.

Further setting: the buffer block with be equipped with between the spring bolt body and make both mutual joint complex fixture block and draw-in groove.

Through the scheme, the buffer block and the spring bolt body are connected and fixed through the clamping cooperation of the clamping blocks and the clamping grooves, the installation mode is simple and fast, and the connection structure is stable and firm.

Further setting: one end of the clamping groove is sealed, and the other end of the clamping groove is provided with an opening.

Through above-mentioned scheme, draw-in groove one end sets up the opening and makes the fixture block can follow draw-in groove open-ended one end and penetrate when assembling with the draw-in groove, and the buffer block of being more convenient for improves the installation effectiveness with the equipment of spring bolt body.

Further setting: the clamping groove is arranged at the front end and the rear end of the lock tongue body along the extending direction of the lock tongue body, the front end is arranged in a closed mode, and the rear end is provided with the opening.

Through the scheme, because its cambered surface one side of spring bolt can the atress and slide in towards the tool to lock in the use, through close the setting with the draw-in groove near the cambered surface lateral wall one end of spring bolt body, can prevent that the buffer block from taking place relative slip with the spring bolt body when the atress.

Further setting: one side of the buffer block back to the lock tongue body is provided with a guide structure which is matched with an external lock body side plate in a concave-convex mode along the sliding direction of the lock tongue body.

Through above-mentioned scheme, through set up guide structure between buffer block and lock body curb plate, play better limiting displacement to the flexible of spring bolt, the precision also can obtain better control, reduces the swing range of spring bolt at flexible in-process.

Further setting: the guide structure comprises a guide block which is arranged along the buffer block and protrudes outwards and can pass through a guide notch on the lock body side plate.

Through above-mentioned scheme, with the help of the concave-convex cooperation structure of direction breach on guide block and the lock body curb plate, realized the gliding guide effect to the spring bolt.

Further setting: the spring bolt is oblique tongue, be equipped with the mounting groove on the cambered surface lateral wall of spring bolt body, be equipped with in the mounting groove and can be relative spring bolt body pivoted buffering bumps the tongue, the buffering bumps the tongue top and is equipped with can bump and link with outside lock body curb plate butt the buffering bumps the stopper that the tongue rotates the perk mounting groove.

Through the above scheme, be in the initial condition when the spring bolt and under stretching out the state promptly, stopper and lock body curb plate butt, the buffering bumps the tongue perk mounting groove this moment, when closing the door, the buffering bumps the tongue and preferably accepts to touch and take place to rotate and take in the mounting groove, avoid directly striking the spring bolt body when closing the door, the effect of noise reduction has been played, simultaneously, under the butt effect of stopper and lock body curb plate, stopper drive spring bolt body slides to the tool to lock, the resistance of closing the door has been reduced, it is more smooth and easy when closing the door to ensure. In addition, the buffering collision tongue can prevent the outer plug-in card from sliding the lock tongue, and the anti-theft effect is achieved.

Further setting: the spring bolt body with all run through on the buffering bumps the tongue and is equipped with the mounting hole, wear to be equipped with the center pin in the mounting hole and with the spring bolt body with the buffering bumps the tongue and connects.

Through the scheme, the central shaft penetrates through the installation holes of the lock tongue body and the buffering touch tongue, the buffering touch tongue can freely rotate relative to the central shaft, and the spring bolt is simple in structure and convenient to assemble.

Further setting: the buffer block is a plastic block.

Through above-mentioned scheme, the noise of plastic material and metal material in the friction process is less, has formed better buffering effect between lock body curb plate and spring bolt, avoids the flexible in-process of spring bolt to bump the friction and produce the noise.

Further setting: the buffer block and the bolt body are integrally formed by injection molding.

Through the scheme, the buffer block is integrated into one piece with the spring bolt body through injection molding process, so that the buffer piece is combined with the spring bolt body more firmly, the dislocation is not easy to occur, and even the separation is realized, and the smooth degree of the spring bolt body during stretching is improved.

The utility model also provides a tool to lock, including foretell silence spring bolt.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model relates to an among the silence spring bolt, set up the buffer block through the both sides at the spring bolt body, because the buffer block overall profile is greater than the lateral wall profile of spring bolt body, can avoid the direct contact of spring bolt body and lock body curb plate, played the effect of noise reduction, in addition, such setting can avoid better producing local arch after receiving friction extrusion or expend with heat and contract with cold, and is more smooth and easy when making the spring bolt flexible.

2. The utility model relates to a silence spring bolt, through setting up the mounting groove on the cambered surface lateral wall of spring bolt body, set up the buffering and bump the tongue in the mounting groove, when the spring bolt is in the initial condition under the state that promptly stretches out, stopper and lock body curb plate butt, the buffering bumps the tongue and sticks out the mounting groove this moment, when closing the door, the buffering bumps the tongue and preferably accepts to touch and takes place to rotate and take in the mounting groove, avoid directly striking the spring bolt body when closing the door, play the effect of noise reduction, simultaneously, under the butt effect of stopper and lock body curb plate, stopper drive spring bolt body and slide to the tool to lock, the resistance of closing the door has been reduced, in order to ensure more smooth and; in addition, the buffering collision tongue can prevent the outer plug-in card from sliding the lock tongue, and the anti-theft effect is achieved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a connection structure diagram of a silent lock tongue and a lock body side plate in the embodiment;

fig. 2 is an exploded view of the mute bolt in this embodiment.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the utility model provides a mute lock tongue, in this embodiment, the lock tongue is the latch bolt, and in other embodiments, the lock tongue can also be the square bolt. It includes spring bolt body 1, spring bolt body 1 is connected with buffer block 2 along the relative both sides of its slip direction, is connected with buffer block 2 along the both sides of the cambered surface extending direction of spring bolt body 1 promptly, buffer block 2 is followed spring bolt body 1 rather than the planar projection protrusion in of lateral wall place that is connected in the edge of lateral wall. In this embodiment, the buffer block 2 is a hard plastic block.

Set up buffer block 2 through the both sides at spring bolt body 1, because 2 global contours of buffer block are greater than the lateral wall profile of spring bolt body 1, at the flexible in-process of spring bolt, buffer block 2 and 3 direct contact of lock body curb plate, because buffer block 2 is the plastic material, be difficult for producing the noise between its and the lock body curb plate 3 of metal material, the effect of noise reduction has been played, in addition, such setting can avoid better producing local arch after receiving friction extrusion or expend with heat and contract with cold, it is more smooth and easy when making the spring bolt stretch out and draw back.

In this embodiment, the buffer block 2 is detachably connected to the bolt body 1; in other embodiments, the buffer block 2 may also be integrally formed with the bolt body 1 by injection molding. In this embodiment, the buffer block 2 with be equipped with between the lock tongue body 1 and make both follow two the mutual joint complex fixture block 11 of direction of connection of buffer block 2 and draw-in groove 21. Specifically, the side wall of the lock tongue body 1 protrudes towards the direction of the buffer block 2 to form the clamping block 11, and the clamping groove 21 is arranged on the buffer block 2. Preferably, the fixture block 11 is a dovetail block, and the fixture groove 21 is a dovetail groove.

With the help of the connection cooperation structure of the clamping block 11 and the clamping groove 21, the buffer block 2 and the bolt body 1 can be independently produced and then assembled, the production process is simpler, the buffer block 2 and the bolt body 1 can be detached and replaced, the assembly mode is simple and quick, and the connection structure is stable and firm.

Preferably, two of the latch 11 are provided, and in other embodiments, more than two of the latches 11 are further provided. The contact area of the buffer block 2 and the bolt body 1 can be increased by increasing the fixture block 11, so that the connection strength between the buffer block and the bolt body is improved, and the sliding between the buffer block and the bolt body is not easy to occur.

Preferably, at least one end of the slot 21 is closed, and in this embodiment, one end of the slot 21 is closed and the other end is provided with an opening. In other embodiments, the slot 21 may be open at both ends or closed at both ends.

Through the arrangement, the open end of the clamping groove 21 can facilitate the insertion of the clamping groove 21 into the clamping groove 21 to realize assembly, the assembly efficiency is improved, and the closed end of the clamping groove 21 can limit the clamping block 11, so that the clamping block 11 is prevented from being separated from the clamping groove 21.

Preferably, the slot 21 is provided with a front end and a rear end along the extending direction of the bolt body 1, the front end is closed, and the rear end is provided with the opening, namely, one end close to the arc-shaped side wall of the bolt body 1 is closed. Because its cambered surface one side can the atress and slide into towards the tool to lock in the use of spring bolt, close the setting through the cambered surface lateral wall one end that is close to spring bolt body 1 with draw-in groove 21, can prevent that buffer block 2 from taking place relative slip with spring bolt body 1 when the atress, lead to spring bolt body 1 directly to receive the striking and produce the noise when closing the door.

Furthermore, one side of the buffer block 2, which faces away from the lock tongue body 1, is provided with a guide structure which is in concave-convex fit with the external lock body side plate 3 along the sliding direction of the lock tongue body 1. In this embodiment, the guiding structure includes a guiding block 22 protruding outward along the buffering block 2 and passing through the guiding notch 31 on the lock body side plate 3. In other embodiments, the guiding structure may also be a guiding groove provided on the buffer block 2.

By means of the matching of the guide block 22 on the buffer block 2 and the guide notch 31 on the lock body side plate 3, the sliding of the lock bolt is better limited, the precision can be better controlled, and the swing amplitude of the lock bolt in the telescopic process is reduced.

Preferably, two guide blocks 22 are arranged, and the guide blocks 22 are arranged on the buffer block 2 at opposite positions of the clamping groove 21. On one hand, the guide block 22 is added to improve the guide effect on the sliding of the lock tongue and further control the swing amplitude of the lock tongue in the sliding process; on the other hand, guide block 22 and draw-in groove 21 set up mutually away from the other hand, make buffer block 2 whole thickness more even, and the structure is more stable, difficult emergence damage.

Further, be equipped with mounting groove 12 on the cambered surface lateral wall of spring bolt body 1, it can be relative to be equipped with in mounting groove 12 spring bolt body 1 pivoted buffering bumps tongue 4, the buffering bumps tongue 4 top and is equipped with can bump and link with 3 butt of outside lock body curb plate the buffering bumps tongue 4 and rotates stopper 41 of perk out mounting groove 12, in this embodiment, the buffering bumps tongue 4 and is the plastic material. When buffer block 2 and lock tongue body 1 integrated into one piece that moulds plastics, 2 parts encapsulating of buffer block enter into mounting groove 12 in, make buffer block 2 and lock tongue body 1 combine more firmly, difficult emergence alternate segregation.

When the spring bolt is in the initial condition under the state of stretching out promptly, stopper 41 and 3 butts of lock body curb plate, the buffering bumps 4 perk mounting grooves 12 of tongue this moment, when closing the door, the buffering bumps tongue 4 and preferably accepts to touch and takes place to rotate and take in the mounting groove 12 in, avoid directly striking spring bolt body 1 when closing the door, the effect of noise reduction has been played, and simultaneously, under stopper 41 and lock body curb plate 3's butt effect, stopper 41 drives spring bolt body 1 and slides to the tool to lock, the resistance of closing the door has been reduced, it is more smooth and easy when closing the door to ensure. In addition, the buffering collision tongue 4 can prevent the outer plug-in card from sliding the lock tongue, thereby playing the anti-theft effect.

The bolt body 1 with all run through on the buffering bumps the tongue 4 and be equipped with corresponding mounting hole 42, wear to be equipped with center pin 5 in the mounting hole 42, center pin 5 with the buffering bumps tongue 4 clearance fit. Preferably, the central shaft 5 includes a knurled portion 51 disposed at one end thereof, and the knurled portion 51 is in interference fit with the mounting hole 42 of the bolt body 1. Preferably, one end of the central shaft 5 far away from the knurled part 51 is arranged in a guide circular truncated cone shape.

Adopt center pin 5 to pass the equipment of mode realization buffering collision tongue 4 and spring bolt body 1 of mounting hole 42, its packaging method is simple swift, and after center pin 5 penetrated in the mounting hole 42, the buffer block 2 at spring bolt body 1 both ends can cover mounting hole 42 and center pin 5, prevents that center pin 5 from deviating from mounting hole 42, and its fixed mode is stable firm.

The utility model also provides a tool to lock, including foretell silence spring bolt. Through adopting foretell silence spring bolt in the tool to lock, can reduce the spring bolt and the tool to lock inner wall production friction and the noise that produces when closing the door, can also reduce the noise that the spring bolt bumps the production in the twinkling of an eye of closing the door, reduce the resistance of closing the door, improve the smooth and easy nature when closing the door.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (11)

1. The utility model provides a silence spring bolt, includes the spring bolt body, characterized by: the spring bolt body is connected with the buffer block along its both sides of flexible direction, the buffer block is followed the spring bolt body is rather than the planar projection protrusion in of lateral wall place of the lateral wall of being connected in the edge of lateral wall.

2. The silent bolt of claim 1, wherein: the buffer block with be equipped with between the spring bolt body and make both mutual joint complex fixture block and draw-in groove.

3. The silent bolt of claim 2, wherein: one end of the clamping groove is sealed, and the other end of the clamping groove is provided with an opening.

4. The silent bolt of claim 3, wherein: the clamping groove is arranged at the front end and the rear end of the lock tongue body along the extending direction of the lock tongue body, the front end is arranged in a closed mode, and the rear end is provided with the opening.

5. The silent bolt of claim 1, wherein: one side of the buffer block back to the lock tongue body is provided with a guide structure which is matched with an external lock body side plate in a concave-convex mode along the sliding direction of the lock tongue body.

6. The silent bolt of claim 5, wherein: the guide structure comprises a guide block which is arranged along the buffer block and protrudes outwards and can pass through a guide notch on the lock body side plate.

7. The silent bolt of claim 1, wherein: the spring bolt is oblique tongue, be equipped with the mounting groove on the cambered surface lateral wall of spring bolt body, be equipped with in the mounting groove and can be relative spring bolt body pivoted buffering bumps the tongue, the buffering bumps the tongue top and is equipped with can bump and link with outside lock body curb plate butt the buffering bumps the stopper that the tongue rotates the perk mounting groove.

8. The silent bolt of claim 7, wherein: the spring bolt body with all run through on the buffering bumps the tongue and is equipped with the mounting hole, wear to be equipped with the center pin in the mounting hole and with the spring bolt body with the buffering bumps the tongue and connects.

9. The silent bolt of claim 1, wherein: the buffer block is a plastic block.

10. The silent bolt of claim 1, wherein: the buffer block and the bolt body are integrally formed by injection molding.

11. A lock, characterized in that; a silent bolt including a silent bolt as claimed in any one of claims 1 to 10.

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