CN212743667U

CN212743667U - Dust keeper and tool to lock for tool to lock

Info

Publication number: CN212743667U
Application number: CN202020498059.9U
Authority: CN
Inventors: 文琪; 王金龙; 周子敬; 陈钦文
Original assignee: Zhuhai Unitech Power Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-03-19
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a dust keeper and tool to lock for tool to lock, the device include coupling assembling, the shield can be dismantled with coupling assembling and be connected, and the shield has for coupling assembling pivoted primary importance and second position, and when the shield was in the primary importance, the shield opened the unlocking hole on the tool to lock, and when the shield was in the second place, the shield sealed the unlocking hole on the shutting utensil. The above-mentioned scheme that this application provided, overall structure is simple, simultaneously because shield detachably installs on the tool to lock, and then has made things convenient for the change of shield.

Description

Dust keeper and tool to lock for tool to lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to a dust keeper and tool to lock for tool to lock.

Background

At present, the spring piece type dust-proof device for the existing lock mostly adopts a pin fixing mode or a detachable connection mode, namely, the dust-proof cover is fixed on the lock through a pin or detachably arranged on the lock.

However, the mode of fixing by the pin is inconvenient for disassembling the dustproof cover, and the dustproof cover is made of plastic material and cannot be replaced after being damaged; most detachable dust covers have more parts and more complex structures, and are not suitable for locks such as padlocks and fixed locks.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a dust-proof device for a lock and a lock, aiming at the problems that the existing dust-proof cover for the lock is inconvenient to replace and the structure is complex.

The utility model provides a dust keeper for tool to lock, include:

the connecting assembly comprises a connecting block and a fixing pin, and the connecting block comprises a first fixing end and an opening end connected with the first fixing end;

the shield, the rotation portion on the shield passes through the fixed pin is installed in the open end, just the shield have for connecting block pivoted primary importance and second place, work as when the shield is in the primary importance, the shield is opened the unlocking hole on the tool to lock, work as when the shield is in the second place, the shield seals the unlocking hole on the tool to lock.

In one embodiment, the two sides of the opening end are provided with connecting block through holes, the rotating part is provided with rotating part through holes, and the fixing pin sequentially penetrates through the connecting block through holes and the rotating part through holes to fix the rotating part in the opening end.

In one embodiment, the dust cover further comprises a dust-proof part, and the dust-proof part is fixedly connected with the rotating part; when the dustproof cover is located at the first position, the unlocking hole in the lock is opened by the dustproof portion, and when the dustproof cover is located at the second position, the unlocking hole in the lock is closed by the dustproof portion.

In one embodiment, the dust-proof part has a square structure or a circular structure.

In one embodiment, the connecting assembly further comprises a spring plate, the spring plate comprises a second fixed end and a movable end connected with the second fixed end, and the second fixed end is fixed below the first fixed end;

when the rotating part is connected with the opening end, the movable end is abutted against the rotating part.

In one embodiment, the connecting assembly further comprises a bolt, and the bolt sequentially penetrates through the elastic sheet through hole in the second fixing end and the first threaded hole in the first fixing end to fix the second fixing end and the first fixing end.

The utility model also provides a lock, including the tool to lock body with as in this application embodiment description arbitrary one dust keeper for the tool to lock, the shield on the dust keeper for the tool to lock passes through coupling assembling detachably installs on the tool to lock body.

In one of them embodiment, the below of first side is provided with the recess on the tool to lock, be provided with the chucking part in the recess, first stiff end joint on the connecting block on the coupling assembling is in the chucking part.

In one embodiment, a second threaded hole is formed in the bottom surface of the lock, and after the first fixing end is fixed to the clamping portion, the bolt sequentially penetrates through the elastic piece through hole in the second fixing end and the first threaded hole in the first fixing end and then is matched with the second threaded hole.

In one embodiment, a clamping groove is formed below a second side face, opposite to the first side face, of the lock, and when the dustproof cover is located at the second position, a protrusion on the dustproof portion of the dustproof cover is buckled into the clamping groove.

The beneficial effects of the utility model include:

the utility model discloses a dust keeper overall structure is simple for the tool to lock, simultaneously because shield detachably installs on the tool to lock, and then made things convenient for the change of shield.

Drawings

Fig. 1 is an exploded schematic view of a dustproof device according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the padlock with the dust guard of FIG. 1 in a closed position;

FIG. 3 is a schematic cross-sectional view of the padlock with the dust guard of FIG. 1 in an open position;

fig. 4 is an exploded view of a dustproof device according to a second embodiment of the present invention;

FIG. 5 is a cross-sectional view of the dust guard and mortise lock arrangement of FIG. 4;

fig. 6 is an exploded view of a third embodiment of the dust-proof device of the present invention;

FIG. 7 is a schematic cross-sectional view of the dust guard and cartridge lock engagement configuration of FIG. 6;

fig. 8 is an exploded view of a dust-proof device according to a fourth embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of the dust guard of FIG. 8 in cooperation with the pin lock;

fig. 10 is an exploded view of a dust-proof device according to a fifth embodiment of the present invention;

fig. 11 is a schematic cross-sectional view of the dustproof device and fireproof door lock of fig. 10.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-3, in one embodiment of the present invention, a dust-proof device for a lock is provided, which includes a connecting assembly and a dust-proof cover 120, wherein the dust-proof cover 120 is detachably connected to the connecting assembly, and the dust-proof cover 120 has a first position and a second position rotating with respect to the connecting assembly, when the dust-proof cover 120 is located at the first position, the dust-proof cover 120 opens an unlocking hole on the lock 150, and when the dust-proof cover 120 is located at the second position, the dust-proof cover 120 closes the unlocking hole on the lock 150.

Specifically, in this application, the above-mentioned connecting assembly includes connecting block 100, shell fragment 110, fixed pin 130 and bolt 140, wherein, connecting block 100 includes first stiff end 101 and open end 102 connected with first stiff end 101, shell fragment 110 includes second stiff end 111 and movable end 112 connected with second stiff end 111, shield 120 includes rotation portion 121 and dust-proof part 122 connected with rotation portion 121, rotation portion 121 installs in open end 102 through fixed pin 130, after rotation portion 121 is connected with open end 102, at this moment, bolt 140 passes behind shell fragment through-hole 1111 on second stiff end 111 and the first screw hole on first stiff end 101 in proper order, it is fixed with first stiff end 101 with second stiff end 111, meanwhile, movable end 112 on shell fragment 110 and rotation portion 121 butt.

Further, as shown in fig. 1, the connecting block 100 is a U-shaped structure, connecting block through holes 1021 are formed on two sides of an opening end 102 of the connecting block 100, a rotating part through hole 1211 is formed on a side surface of a rotating part 121 of the dust cap 120, an axial direction of the rotating part through hole 1211 is coaxial with an axial direction of the connecting block through hole 1021, and when the dust cap 120 and the connecting block 100 are assembled, the rotating part 121 of the dust cap 120 is firstly put into the opening end 102 of the connecting block 100, and then the dust cap 120 can be assembled on the connecting block 100 after a fixing pin 130 sequentially penetrates through the connecting block through hole 1021 and the rotating part through hole 1211. At this time, the dust cap 120 can rotate along the axial direction of the fixing pin 130, when the dust cap 120 rotates to the first position, the dust-proof portion 122 on the dust cap 120 opens the unlocking hole (as shown in fig. 3) on the lock 150, and when the dust cap 120 rotates to the second position, the dust-proof portion 122 on the dust cap 120 closes the unlocking hole (as shown in fig. 2) on the lock 150.

It should be noted that the structure of assembling the dust cover 120 and the connection block 100 by the fixing pin 130 in the embodiment of the present application is only an example, and in other alternative schemes, other structures may also be adopted, for example, rotating shafts are provided on two sides of the rotating portion 121 on the dust cover 120, and the rotating shafts on two sides of the rotating portion 121 are respectively matched with the connection block through holes 1021 on two sides of the upper opening end 102 of the connection block 100. The present application does not specifically limit the specific structure of the connection of the dust cap 120 and the connection block 100 as long as the above-described structure can achieve the object of the present application.

In some embodiments, the elastic sheet 110 in the present application has a sheet metal bent structure, that is, an included angle between the second fixed end 111 and the movable end 112 on the elastic sheet 110 is greater than 90 ° and less than 180 °. When the rotating part 121 is assembled with the opening end 102, the movable end 112 on the elastic sheet 110 abuts against the rotating part 121, and at this time, the movable end 112 on the elastic sheet 110 can provide a supporting force for the dust cap 120 to be kept at the opening position or the closing position, specifically, as shown in fig. 2, when the dust cap 122 on the dust cap 120 closes the unlocking hole on the lock 150, at this time, the movable end 112 on the elastic sheet 110 is in a pre-deformation state in the assembling state and has an internal stress, so as to provide a closing force for the dust cap 122 on the dust cap 120 to be kept at the closing state, and prevent the dust cap from being disengaged; as shown in fig. 3, when the dust-proof portion 122 of the dust-proof cover 120 opens the unlocking hole of the lock 150, at this time, the rotating portion 121 of the dust-proof cover 120 causes the movable end 112 of the resilient tab 110 to deform and increase, and the movable end 112 deforms by using its own material, thereby providing a certain supporting force for keeping the dust-proof portion 122 of the dust-proof cover 120 at the open position and preventing the dust-proof cover from loosening.

The utility model discloses a dust keeper is when the assembly, at first pass connecting block through-hole 1021 and rotation portion through-hole 1211 back in proper order through fixed pin 130, fix shield 120 on connecting block 100, at this moment, shield 120 can rotate along fixed pin 130's axial, place movable end 112 on shell fragment 110 between rotation portion 121 on connecting block 100 and the shield 120 afterwards, and movable end 112 butt on the shell fragment 110 lives rotation portion 121 on the shield 120, and then pass shell fragment through-hole 1111 on the second stiff end 111 on the shell fragment 110 and the first screw hole 1011 on the first stiff end 101 on the connecting block 100 in proper order through bolt 140 again, it can to fix shell fragment 110 in connecting block 100 below.

In some embodiments, to facilitate the closing of unlocking holes of different shapes, the dust-proof portion 122 in the present application has a square structure or a circular structure.

The application also provides a lock, which comprises a lock body and the dustproof device for the lock as described in any one of the embodiments of the application, wherein the dustproof cover 120 on the dustproof device for the lock is detachably arranged on the lock body through the connecting component.

Specifically, as shown in fig. 2 and fig. 3, in the present application, a groove 151 is provided below a first side surface 1501 on a lock 150, a clamping portion 1511 is provided in the groove 151, and a first fixed end 101 on a connecting block 100 on a connecting assembly is clamped in the clamping portion 1511; meanwhile, the bottom surface of the lock 150 is provided with a second threaded hole 152, and after the first fixed end 101 is fixed on the clamping portion 1511, the bolt 140 sequentially passes through the elastic sheet through hole 1111 on the second fixed end 111 and the first threaded hole 1011 on the first fixed end 101 to be matched with the second threaded hole 152.

When the dust-proof device needs to be assembled on the lock, the dust-proof device is assembled, after the assembly, the first fixed end 101 on the connecting block 100 on the dust-proof device is placed into the clamping portion 1511 in the groove 151 on the lock 150, and then the bolt 140 sequentially passes through the elastic sheet through hole 1111 on the second fixed end 111 on the elastic sheet 110 and the first threaded hole 1011 on the first fixed end 101 on the connecting block 100 and then is matched with the second threaded hole 152.

When the dust cap 120 needs to be replaced, only the bolt 140 needs to be loosened, so that after the bolt 140 is screwed out of the second threaded hole 152, the dust cap 120 and the connecting block 100 are pulled out of the groove 151, and finally the fixing pin 130 is detached, so that the dust cap 120 can be detached.

In some embodiments, as shown in fig. 3, in order to further ensure the stability of the dust cap 120 closing the unlocking hole, a locking groove 15021 is disposed below a second side 1502 of the lock 150 opposite to the first side 1501, and when the dust cap 120 is in the second position, a protrusion 1221 on the dust-proof portion 122 of the dust cap 120 is locked into the locking groove 15021.

It should be understood that the structure for ensuring the stability of the dust cap 120 in closing the unlocking hole through the cooperation of the protrusion 1221 on the dust-proof portion 122 and the clamping slot 15021 in the embodiment of the present application is only an example, and in other alternative schemes, other structures may also be adopted, for example, a threaded hole is provided on the dust-proof portion 122, a threaded hole is also provided below the second side surface 1502, and when the dust cap 120 is in the second position, that is, when the dust-proof portion 122 is closed in the unlocking hole, the dust cap 120 is fixed in the second position after sequentially passing through the threaded hole on the dust-proof portion 122 and the threaded hole below the second side surface 1502 through bolts. The present application does not impose any particular limitation on the structure of how to ensure the stability of closing the dust cap 120 on the unlocking hole, as long as the above-described structure can achieve the object of the present application.

In some embodiments, as shown in fig. 5, when the lock in the present application is a mortise lock, the dust-proof device is shown in fig. 4. Specifically, the dust-proof portion 122 of the dust-proof cover 120 in this embodiment is a circular structure, and during assembly, the fixing pin 130 sequentially penetrates through the connecting block through hole on the opening end 102 of the connecting block 100 and the rotating portion through hole 1211 on the rotating portion 121 of the dust-proof cover 120, the dust-proof cover 120 is fixed on the connecting block 100, and then the connecting block 100 is placed in the groove 151 of the lock 150, at this time, the bolt 140 sequentially penetrates through the elastic piece through hole 1111 on the second fixing end 111 of the elastic piece 110 and the first threaded hole on the first fixing end 101 of the connecting block 100, and then is engaged with the second threaded hole 152 of the lock 150, and meanwhile, the movable end 112 of the elastic piece 110 abuts against the rotating portion 121 of the dust-proof cover 120. When the unlocking hole in the lock 150 needs to be closed, only the dust-proof cover 120 needs to be rotated, so that the dust-proof part 122 on the dust-proof cover 120 is buckled with the unlocking hole, and when the unlocking hole in the lock 150 needs to be opened, only the dust-proof cover 120 needs to be rotated in the opposite direction, so that the dust-proof part 122 on the dust-proof cover 120 opens the unlocking hole.

In some embodiments, as shown in fig. 7, when the lock in the present application is a box lock, the dust-proof device is shown in fig. 6; when the lock in the present application is a fixed lock (as shown in fig. 9), the dust-proof device is shown in fig. 8; when the lock in this application is a fire door lock (as shown in fig. 11), the dust-proof device is shown in fig. 10. It should be noted that, in the embodiments of the present application, the structures of the dust-proof devices mounted on the box lock, the fixing lock and the fire door lock are substantially the same, and the mounting structures and the working principles thereof have been described herein, and will not be described in detail herein.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a dust keeper for tool to lock which characterized in that includes:

a connection assembly including a connection block (100) and a fixing pin (130), the connection block (100) including a first fixing end (101) and an open end (102) connected to the first fixing end (101);

the dustproof cover (120), the rotation portion (121) on the dustproof cover (120) is installed in the opening end (102) through the fixed pin (130), and the dustproof cover (120) has the first position and the second position relative to the connecting block (100) rotation, when the dustproof cover (120) is in the first position, the dustproof cover (120) opens the unlocking hole on the lock (150), when the dustproof cover (120) is in the second position, the dustproof cover (120) seals the unlocking hole on the lock (150).

2. The dust-proof device for the lockset as claimed in claim 1, wherein connecting block through holes (1021) are formed on both sides of the open end (102), a rotation part through hole (1211) is formed on the rotation part (121), and the fixing pin (130) passes through the connecting block through hole (1021) and the rotation part through hole (1211) in sequence to fix the rotation part (121) in the open end (102).

3. The dust-proof device for the lock according to claim 2, wherein the dust-proof cover (120) further comprises a dust-proof portion (122), the dust-proof portion (122) is fixedly connected with the rotating portion (121); when the dustproof cover (120) is located at a first position, the dustproof portion (122) opens the unlocking hole in the lock (150), and when the dustproof cover (120) is located at a second position, the dustproof portion (122) seals the unlocking hole in the lock (150).

4. The dust-proof device for the lock according to claim 3, wherein the dust-proof portion (122) has a square structure or a circular structure.

5. The dust-proof device for the lockset of claim 3, wherein the connecting assembly further comprises a spring (110), the spring (110) comprises a second fixed end (111) and a movable end (112) connected with the second fixed end (111), and the second fixed end (111) is fixed below the first fixed end (101);

when the rotating part (121) is connected to the opening end (102), the movable end (112) abuts against the rotating part (121).

6. The dust-proof device for the lock of claim 5, wherein the connecting assembly further comprises a bolt (140), and the bolt (140) passes through the spring through hole (1111) of the second fixing end (111) and the first threaded hole (1011) of the first fixing end (101) in sequence to fix the second fixing end (111) and the first fixing end (101).

7. A lock, characterized in that, including the lock body and the dust keeper of any one of claims 1-6, the dust cover (120) of the dust keeper is detachably mounted on the lock body through the connecting assembly.

8. The lock according to claim 7, characterized in that a groove (151) is arranged below the first side surface (1501) on the lock, a clamping part (1511) is arranged in the groove (151), and the first fixing end (101) on the connecting block (100) on the connecting assembly is clamped in the clamping part (1511).

9. The lock according to claim 8, wherein a second threaded hole (152) is formed in a bottom surface of the lock (150), and when the first fixed end (101) is fixed to the fastening portion (1511), the bolt (140) of the connecting assembly sequentially passes through the spring through hole (1111) of the second fixed end (111) of the spring (110) of the connecting assembly and the first threaded hole (1011) of the first fixed end (101) to be engaged with the second threaded hole (152).

10. The lock according to claim 8, characterized in that a catch (15021) is provided on the lock (150) below a second side (1502) opposite to the first side (1501), and that a protrusion (1221) on a dust guard (122) on the dust cap (120) snaps into the catch (15021) when the dust cap (120) is in the second position.