CN217400595U - Fire-fighting channel external lock with back-locking positioning function - Google Patents
Fire-fighting channel external lock with back-locking positioning function Download PDFInfo
- Publication number
- CN217400595U CN217400595U CN202220639895.3U CN202220639895U CN217400595U CN 217400595 U CN217400595 U CN 217400595U CN 202220639895 U CN202220639895 U CN 202220639895U CN 217400595 U CN217400595 U CN 217400595U
- Authority
- CN
- China
- Prior art keywords
- positioning
- lock
- sliding plate
- unlocking
- lock cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model belongs to the field of fire fighting access locks, in particular to a fire fighting access external lock with a back locking and positioning function, which comprises a lock shell, a bottom plate and a handle, wherein the middle part of an unlocking lock cylinder is fixed with an unlocking rod, and the lower part of the unlocking lock cylinder is formed with a limited rotation bayonet; the sliding plate extends upwards to form a rotation limiting bulge, the rotation limiting bulge is matched with the rotation limiting bayonet, a linkage end is formed at the lower end of the sliding plate, a rotating part is arranged on the back locking lock cylinder, and the back locking lock cylinder is rotated to enable the rotating part to push the linkage end and drive the sliding plate to move up and down; the positioning piece is rotationally arranged in the lock shell, a positioning end is formed on the positioning piece, a sliding groove is formed on the sliding plate, the positioning end is arranged in the sliding groove, a positioning notch extends out of the sliding groove to the side edge, the stretching spring always gives the force for rotating the positioning piece and enabling the positioning end to be clamped into the positioning notch, and when the positioning end is clamped into the positioning notch, the rotation limiting bulge of the sliding plate is clamped into the rotation limiting bayonet to limit the rotation of the unlocking lock cylinder; the utility model has the advantages of simple structure, simple to operate, the handle direction can set up as required.
Description
Technical Field
The utility model belongs to fire control passageway lock field refers in particular to a fire control passageway external lock of area anti-lock locate function.
Background
The fire passage lock is arranged on a normally closed fire door and is used for emergency escape in case of fire. The escape device is required to ensure that a large number of people in a building can rapidly and safely escape in case of fire and various emergency situations, one action can escape out of a door, and a user can open the escape device without using experience of the escape device.
Fire fighting access locks generally consist of three basic parts:
1. a latch bolt;
2. push bar (or pressure lever): the length of the push rod or the pressing rod is greater than or equal to 2/3 door width;
3. door exterior parts: the handle with the lock (including a complete lock core) with the locking function is also called a fire fighting channel external lock.
The anti-locking function of the external lock is mainly used in places such as the upper field, and the anti-locking function is to prevent people from opening the lock from the outside so as to enter a market.
The fire fighting access external locks in the market all rotate the lock core of unblanking and drive a plurality of linkage action, rotate the unlocking lever again at last and realize unblanking, therefore its anti-lock structure also realizes the counter-lock through restraining one of them linkage action, and such structure has the wearing and tearing serious in long-term use, the inaccurate problem of counter-lock.
Disclosure of Invention
The utility model aims at providing a simple structure has the locate function, the outer lock structure of the novel fire control passageway lock of stand wear and tear.
The purpose of the utility model is realized like this:
the fire fighting access external lock with the back locking and positioning functions comprises a lock shell, a bottom plate and a handle, wherein an unlocking lock cylinder, a back locking assembly and a positioning assembly are arranged in the lock shell, the unlocking lock cylinder is connected with the handle, an unlocking rod is fixed in the middle of the unlocking lock cylinder, the unlocking rod rotates along with the unlocking lock cylinder, and a limited rotation bayonet is formed in the lower part of the unlocking lock cylinder;
the anti-lock assembly comprises a sliding plate and an anti-lock cylinder, the sliding plate is arranged below the unlocking lock cylinder, the sliding plate extends upwards to form a rotation limiting protrusion, the rotation limiting protrusion is matched with a rotation limiting bayonet, a linkage end is formed at the lower end of the sliding plate, a rotating part is arranged on the anti-lock cylinder, and the anti-lock cylinder is rotated to enable the rotating part to push the linkage end and drive the sliding plate to move up and down;
the positioning assembly comprises a positioning piece and an extension spring, the positioning piece is rotatably arranged in the lock shell, a positioning end is formed on the positioning piece, a sliding groove is formed on the sliding plate, the positioning end is arranged in the sliding groove, a positioning notch extends out of the sliding groove towards the side edge, one end of the extension spring is fixed, the other end of the extension spring is connected with the positioning piece, the extension spring always provides the force for rotating the positioning piece and clamping the positioning end into the positioning notch, and when the positioning end is clamped into the positioning notch, a rotation limiting bulge of the sliding plate is clamped into a rotation limiting bayonet to limit the rotation of the unlocking lock cylinder;
the positioning piece extends an opening end towards the linkage end of the sliding plate, the opening end is matched with the rotating portion, when the rotating portion pushes the linkage end to move downwards, the rotating portion pushes the opening end to enable the positioning piece to rotate, and the positioning end of the positioning piece leaves the positioning notch of the sliding groove.
As a further description of the above technical solution:
the positioning assembly further comprises a positioning ball and a compression spring, one end of the compression spring is fixed on the lock shell, the other end of the compression spring is connected with the positioning ball, more than two positioning holes are formed in the sliding plate, the diameter of each positioning hole is smaller than that of the corresponding positioning ball, and part of the positioning columns are pressed into the positioning holes by the compression spring.
As a further description of the above technical solution:
a spring positioning column is formed in the lock shell, a placement cavity is formed in the spring positioning column, a compression spring is placed in the placement cavity, and the positioning ball extends into the placement cavity.
As a further description of the above technical solution:
the two sides of the lock shell are formed with cross bars, and the cross bars and the bottom plate form guide grooves for the sliding plate to slide.
As a further description of the above technical solution:
two limiting blocks are formed in the lock shell and are respectively arranged on two sides of the unlocking lock cylinder, and limiting ends matched with the limiting blocks are formed on the unlocking lock cylinder.
As a further description of the above technical solution:
and the linkage end of the sliding plate is arranged on any one of the left side and the right side of the back locking lock cylinder.
As a further description of the above technical solution:
the sliding chute on the sliding plate is obliquely arranged, and the upper end of the sliding chute is oppositely inclined towards the linkage end.
As a further description of the above technical solution:
still be equipped with two spacing posts in the lock shell, two spacing posts set up in the slide top, and when the limit of slide was changeed the arch and is stretched into the limit of unblanking lock core and change the buckle, two spacing posts supported the upper end of slide.
As a further description of the above technical solution:
the lock shell is internally provided with a first stretching column, the positioning piece is provided with a second stretching column, one end of the stretching spring is connected with the first stretching column, and the other end of the stretching spring is connected with the second stretching column.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the utility model discloses the mode of anti-lock is direct, and the limit of going into through the slide changes protruding card and goes into the limit of unblanking the lock core and changes the bayonet socket and realize direct anti-lock, unblanks between lock core and slide and directly receives power, does not have middle linkage influence degree of accuracy or increase wearing and tearing, therefore this kind of direct anti-lock mode makes the wearing and tearing of unblanking the lock core become minimum.
2. The utility model discloses a positioning assembly's design, after the back-locking, because extension spring's effect, guaranteed that the location end blocks all the time in the location breach, thereby let the slide can not glide, the limit of slide changes protruding the limit of the lock core of unblanking all the time and changes in the bayonet socket, this kind of back-locking structure only need overcome the gravity of slide, block not let the slide glide can, and the power of back-locking mainly is the limit changes protruding and limit and changes the material strength decision of bayonet socket, because as long as guarantee the limit changes protruding and limit and change the material strength of bayonet socket, just can guarantee the life of whole lock, other parts do not need what bearing capacity, and through such location structure, can make the back-locking more accurate.
3. The utility model discloses a design of locating hole and location pearl to make the action of back locking and unblock more accurate.
4. The utility model discloses a spout slope on the slide, the upper end of spout is held the setting of slope in the opposite direction towards the linkage to make at the in-process that the slide glided, the rotation portion of back lock core is kept away from more to the end of opening of setting element.
5. The utility model discloses a design of two spacing posts to prevent that the slide from excessively upwards pushing up, the protection lock core of unblanking is not hurt.
Drawings
Fig. 1 is one of the overall structural schematic diagrams of the present invention.
Fig. 2 is a second schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of the present invention in a reverse locking state when the bottom plate is removed.
Fig. 4 is a schematic diagram of the internal structure of the present invention in the back locking state.
Fig. 5 is a schematic structural diagram of the present invention in an unlocked state.
Fig. 6 is an internal structure diagram in the unlocked state of the present invention.
Fig. 7 is a schematic structural view of the present invention with the bottom plate and the slide plate removed.
Fig. 8 is a schematic structural view of the positioning member.
1-a lock case; 101-a cross bar; 2-a bottom plate; 3-handle;
4-unlocking the lock cylinder; 41-unlocking lever; 42-a rotation limiting bayonet;
51-a slide plate; 511-rotation limiting protrusion; 512-linkage end; 513-a chute; 514-positioning notches; 52-back locking cylinder; 521-a rotating part;
61-a positioning element; 612-a positioning end; 613-open end; 62-an extension spring; 63-a first tensile column; 64-a second tensile column;
71-a positioning bead; 72-a compression spring; 73-spring locating posts; 74-positioning holes;
8-a limiting block; 9-a limiting end; 10-a limit post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as specific cases for those skilled in the art:
referring to fig. 1-6, the present invention provides an embodiment: a fire fighting access external lock with a back locking and positioning function comprises a lock shell 1, a bottom plate 2 and a handle 3, wherein the lock shell 1 and the bottom plate 2 form a closed cavity, an unlocking lock cylinder 4, a back locking assembly and a positioning assembly are arranged in the lock shell 1, the unlocking lock cylinder 4 is connected with the handle 3, an unlocking rod 41 is fixed in the middle of the unlocking lock cylinder 4, the handle 3 is rotated to drive the unlocking lock cylinder 4 to rotate and drive the unlocking rod 41 to rotate, so that a fire fighting access lock is opened, and a limited rotation bayonet 42 is formed at the lower part of the unlocking lock cylinder 4; the below of unblanking lock core 4 is equipped with slide 51, and slide 51 upwards extends out the limit and changes protruding 511, and limit changes protruding 511 and limit and changes bayonet 42 phase-match, and the limit of slide 51 changes protruding 511 card and realizes direct back locking in the limit of unblanking lock core 4 changes bayonet 42 to the realization can not open fire control passageway lock through the external lock.
A linkage end 512 is formed at the lower end of the sliding plate 51, the linkage end 512 is arranged on any one of the left side and the right side of the back locking lock cylinder 52, the right side is the embodiment, a rotating part 521 is arranged on the back locking lock cylinder 52, and the back locking lock cylinder 52 is rotated clockwise to enable the rotating part 521 to push the linkage end 512 and drive the sliding plate 51 to move downwards to realize unlocking; the anti-lock cylinder 52 is rotated counterclockwise, so that the rotating part 521 pushes the link end 512 and carries the slide plate 51 to move upward to realize anti-lock.
The lock case 1 is formed with a cross bar 101 at both sides thereof, and the cross bar 101 and the base plate 2 form a guide groove for the slide plate 51 to slide. Since the cross bar 101 is of a certain height, a space is left behind the slide plate for mounting the positioning assembly.
When the slide plate 51 is found to occasionally slide down due to gravity in the using process, the positioning assembly 6 needs to be arranged, the positioning assembly 6 includes a positioning element 61 and an extension spring 62, the positioning element 61 is rotatably arranged behind the slide plate 51, a positioning end 612 is formed on the positioning element 61, a sliding slot 513 is formed on the slide plate 51, the positioning end 612 is arranged in the sliding slot 513, the sliding slot 513 extends out of a positioning notch 514 towards the side edge, one end of the extension spring 62 is fixed on the first stretching column 63, the other end of the extension spring is connected with a second stretching column 64 on the positioning element, the extension spring 62 always gives the force for rotating the positioning element 61 and clamping the positioning end 612 into the positioning notch 514, and when the positioning end 612 is clamped into the positioning notch 514, the rotation limiting protrusion 511 of the slide plate 51 is clamped into the rotation limiting bayonet 42 to limit the rotation of the unlocking lock cylinder 4;
the positioning member 61 extends to an opening end 613 from the linkage end 512 of the sliding plate 51, the opening end 613 is matched with the rotating portion 521, the distance between the linkage end 512 and the opening end 613 is relatively small, when the rotating portion 521 pushes the linkage end 512 to move downwards, the rotating portion 521 pushes the opening end 613 to rotate the positioning member 61, the positioning end 612 of the positioning member 61 leaves the positioning notch 514 of the sliding groove 513, preferably, the sliding groove 513 on the sliding plate 51 is obliquely arranged, the upper end of the sliding groove 513 inclines towards the linkage end 512 in the opposite direction, namely, the upper end inclines towards the left, so that in the process of sliding the sliding plate 51 downwards, the positioning end 612 also moves towards the left side to enable the positioning member 61 to rotate anticlockwise, the opening end 613 moves towards the right side, the rotating portion 521 of the anti-lock cylinder 52 is further kept away from, and interference is prevented.
The positioning assembly 6 further comprises a positioning ball 71 and a compression spring 72, a spring positioning column 73 is formed in the lock shell 1, a placing cavity is formed in the spring positioning column 73, the compression spring 72 is placed in the placing cavity, the positioning ball 71 partially extends into the placing cavity, more than two positioning holes 74 are formed in the sliding plate 51, the diameter of each positioning hole 74 is smaller than that of the corresponding positioning ball 71, and part of the positioning balls 71 are pressed into the corresponding positioning holes 74 by the compression spring 72.
Two limiting blocks 8 are formed in the lock shell, the two limiting blocks 8 are respectively arranged on two sides of the unlocking lock cylinder 4, and a limiting end 9 matched with the limiting blocks 8 is formed on the unlocking lock cylinder 4.
Two limiting columns 10 are further arranged in the lock shell, the two limiting columns 10 are arranged above the sliding plate 51, and when the rotation limiting protrusion 511 of the sliding plate 51 extends into the rotation limiting bayonet 42 of the unlocking lock cylinder 4, the two limiting columns 10 abut against the upper end of the sliding plate 51.
The utility model has the characteristics of simple structure, positioning function and abrasion resistance.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The fire fighting access external lock with the back locking and positioning functions comprises a lock shell, a bottom plate and a handle, wherein an unlocking lock cylinder, a back locking assembly and a positioning assembly are arranged in the lock shell, the unlocking lock cylinder is connected with the handle, an unlocking rod is fixed in the middle of the unlocking lock cylinder, and rotates along with the unlocking lock cylinder;
the anti-lock assembly comprises a sliding plate and an anti-lock cylinder, the sliding plate is arranged below the unlocking lock cylinder, the sliding plate extends upwards to form a rotation limiting protrusion, the rotation limiting protrusion is matched with a rotation limiting bayonet, a linkage end is formed at the lower end of the sliding plate, a rotating part is arranged on the anti-lock cylinder, and the anti-lock cylinder is rotated to enable the rotating part to push the linkage end and drive the sliding plate to move up and down;
the positioning assembly comprises a positioning piece and an extension spring, the positioning piece is rotatably arranged in the lock shell, a positioning end is formed on the positioning piece, a sliding groove is formed on the sliding plate, the positioning end is arranged in the sliding groove, a positioning notch extends out of the sliding groove towards the side edge, one end of the extension spring is fixed, the other end of the extension spring is connected with the positioning piece, the extension spring always gives the force for rotating the positioning piece and enabling the positioning end to be clamped into the positioning notch, and when the positioning end is clamped into the positioning notch, a rotation limiting bulge of the sliding plate is clamped into a rotation limiting bayonet to limit the rotation of the unlocking lock cylinder;
the positioning piece extends an opening end towards the linkage end of the sliding plate, the opening end is matched with the rotating portion, when the rotating portion pushes the linkage end to move downwards, the rotating portion pushes the opening end to enable the positioning piece to rotate, and the positioning end of the positioning piece leaves the positioning notch of the sliding groove.
2. A fire fighting access external lock with anti-lock positioning function as defined in claim 1, wherein the positioning assembly further comprises a positioning ball and a compression spring, one end of the compression spring is fixed on the lock case, the other end of the compression spring is connected with the positioning ball, more than two positioning holes are formed on the sliding plate, the diameter of the positioning holes is smaller than that of the positioning ball, and the compression spring presses part of the positioning posts into the positioning holes.
3. A fire fighting access external lock with back locking and positioning functions as recited in claim 2, wherein a spring positioning post is formed in the lock case, a placement chamber is formed in the spring positioning post, the compression spring is placed in the placement chamber, and the positioning ball partially extends into the placement chamber.
4. A fire fighting access external lock with back locking positioning function as claimed in claim 1, wherein the lock case is formed with cross bars at both sides thereof, and the cross bars and the bottom plate form guide grooves for sliding of the sliding plate.
5. The fire fighting access external lock with the back locking and positioning function according to claim 1, wherein two limiting blocks are formed in the lock case, the two limiting blocks are respectively arranged on two sides of the unlocking lock cylinder, and a limiting end matched with the limiting blocks is formed on the unlocking lock cylinder.
6. A fire fighting access external lock with a back locking positioning function as claimed in claim 1, wherein the linkage end of the slide plate is arranged on either side of the back locking core.
7. A fire fighting access external lock with back locking and positioning functions as recited in claim 6, wherein the sliding slot on the sliding plate is inclined, and the upper end of the sliding slot is inclined in the opposite direction to the linkage end.
8. A fire fighting access external lock with anti-lock positioning function as claimed in claim 1, wherein two limiting posts are further provided in the lock case, the two limiting posts are provided above the sliding plate, and when the rotation limiting protrusion of the sliding plate extends into the rotation limiting buckle of the unlocking lock cylinder, the two limiting posts abut against the upper end of the sliding plate.
9. A fire fighting access external lock with anti-lock positioning function as defined in claim 1, wherein the lock case is provided with a first stretching column, the positioning member is provided with a second stretching column, and one end of the extension spring is connected to the first stretching column and the other end is connected to the second stretching column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220639895.3U CN217400595U (en) | 2022-03-22 | 2022-03-22 | Fire-fighting channel external lock with back-locking positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220639895.3U CN217400595U (en) | 2022-03-22 | 2022-03-22 | Fire-fighting channel external lock with back-locking positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217400595U true CN217400595U (en) | 2022-09-09 |
Family
ID=83137603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220639895.3U Active CN217400595U (en) | 2022-03-22 | 2022-03-22 | Fire-fighting channel external lock with back-locking positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217400595U (en) |
-
2022
- 2022-03-22 CN CN202220639895.3U patent/CN217400595U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9435141B2 (en) | Panic exit door lock with an indication of a locking state | |
| WO2020211324A1 (en) | Lock latch mechanism, and combination lock having the same for suitcases and bags | |
| US20050034492A1 (en) | Padlock | |
| CN217400595U (en) | Fire-fighting channel external lock with back-locking positioning function | |
| KR0137464B1 (en) | Push-button padlocks having swivel-only shackles | |
| US4432576A (en) | Door latch | |
| CN206174644U (en) | Tight hasp of twin -lock | |
| CN208633676U (en) | A kind of door lock with anti-opal unlocking function | |
| US20220324124A1 (en) | Blade-replaceable cutting tool | |
| CN217233127U (en) | Two mortise lock for escape door that open | |
| DE7936680U1 (en) | DOOR WITH DOOR LOCK AND PANIC LOCK RELEASE MECHANISM | |
| CN210483316U (en) | U-shaped lock body structure | |
| CN209308564U (en) | A kind of mechanical cipher primary and secondary lock | |
| CN214273243U (en) | Mechanical door lock | |
| CN219754290U (en) | Intelligent door lock flip self-locking structure and intelligent door lock | |
| KR101172418B1 (en) | button type auto locking device for windows | |
| CN213297499U (en) | Anti-theft safety door | |
| ITBO940195U1 (en) | IMPROVED DEVICE FOR LOCKING THE SECURITY DOOR CLOSING ROD | |
| CN216974433U (en) | Anti-theft lock | |
| CN211751913U (en) | Cover seat locking device of dustproof half mask | |
| CN218479661U (en) | Handle locking mechanism of handle door and window lock | |
| CN216974434U (en) | Door lock | |
| CN216690638U (en) | Door handle with locking function | |
| CN218780155U (en) | Lock body assembly device of escape lock of sliding door | |
| CN215830230U (en) | Locking structure and door and window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |