CN211923829U - Lock body structure and door lock - Google Patents

Abstract

The utility model discloses a lock body structure and lock, including inner core and lock core shell, the rotation hole has been seted up to the lock core shell, and the inner core is including rotating disk body and connector, and the connector is including preventing tearing open protrusion and rotor, has seted up on the rotor and has prevented tearing open the groove, prevents tearing open the inslot and installs and prevent tearing open the piece, prevents tearing open the outer peripheral face of piece and the inner wall butt in rotation hole, and the rotor and prevent tearing open the piece and all rotating in rotation hole, prevent tearing open the protrusion and stretch out the rotation hole, the outer peripheral face of rotor and the inner peripheral surface looks butt in rotation hole. When the lock body structure is installed, the inner core is firstly sleeved in the lock core shell, so that the connector gradually penetrates through the rotating hole. After the anti-dismantling protrusion completely penetrates through the rotating hole, the anti-dismantling block is installed in the anti-dismantling groove, and the installation of the lock body structure is completed at the moment. The anti-disassembly block prevents eccentric motion between the inner core and the lock core shell, and the anti-disassembly protrusion can penetrate through the rotation hole again to cause the lock body structure to be disassembled. The utility model is used for tool to lock technical field.

Description

Lock body structure and door lock

Technical Field

The utility model relates to a tool to lock technical field, especially a lock body structure and lock.

Background

The both sides of door plant all can be equipped with the handle structure basically, divide into outer handle structure, interior handle structure, the more tradition of structural design of current handle structure is old, and loaded down with trivial details complicacy, assembly and disassembly is very inconvenient, consuming time and difficultly, and current handle keeps off the lid structure moreover, can see the screw in appearance, and is succinct pleasing to the eye inadequately, in addition, current outer handle structure generally does not possess and prevents tearing open the function, is difficult to effectively prevent to tear the condition emergence that the lock was torn open to the handle open.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the lock body structure and the door lock are provided to solve one or more technical problems in the prior art, and at least provide a beneficial selection or creation condition.

The utility model provides a solution of its technical problem is:

the utility model provides a lock body structure, includes inner core and lock core shell, the rotation hole has been seted up to the lock core shell, the inner core is including rotating disk body and connector, the connector sets up in one side of rotating the disk body, the connector is including preventing tearing open protrusion and rotor, prevent tearing open the protrusion and be fixed in the one end that the rotor kept away from rotating the disk body, the groove of preventing tearing open has been seted up on the rotor, prevent tearing open the inslot and install the piece of preventing tearing open, the outer peripheral face of the piece of preventing tearing open and the inner wall butt in rotation hole, the rotor and prevent tearing open the piece and all rotate at the rotation downthehole, prevent tearing open the protrusion and stretch out the rotation hole, the outer peripheral face.

Through above-mentioned technical scheme, during the installation lock body structure, earlier locate the lock core shell to the inner core cover in, promote the inner core to the lock core shell afterwards, make the connector pass the rotation hole gradually, this process butt piece and lock core shell eccentric settings. When the anti-disassembly protrusion completely penetrates through the rotating hole, the inner core is continuously pushed, so that the end face of the rotating disc body is abutted against the end face of the lock cylinder shell. The anti-disassembly block is installed in the anti-disassembly groove, and the lock body structure is installed at the moment. The anti-disassembly block prevents eccentric motion between the inner core and the lock core shell, and the anti-disassembly protrusion can penetrate through the rotation hole again to cause the lock body structure to be disassembled.

As a further improvement of the technical scheme, the inner wall of the lock cylinder shell, which is close to the rotating disc body, is provided with an insertion limiting groove, the rotating disc body protrudes towards the connector to form an insertion limiting block, and the insertion limiting groove and the insertion limiting block are correspondingly arranged.

Through above-mentioned technical scheme, insert the stopper and be used for instructing the installation of inner core and lock core shell with the cooperation that inserts the spacing groove, just enable the inner core and insert to the lock core shell when inserting the stopper and inserting the spacing groove and aim at.

As the further improvement of the technical scheme, the one end that the rotation chassis was kept away from to the butt piece has been seted up two grooves of stepping down, the bottom of the groove of stepping down is less than the distance of two relative terminal surfaces of lock core shell to the distance of preventing tearing open the terminal surface that the protrusion is close to the rotation disk body, the groove symmetry of stepping down sets up in the both sides that insert the stopper.

Through above-mentioned technical scheme, when the inner core moved to the bottom in the groove of stepping down and the terminal surface butt of lock core shell, the inner core of slope this moment continues to promote the inner core, makes to prevent tearing open the protrusion and passes the rotation hole completely. When the anti-disassembly protrusion completely penetrates through the rotating hole, the inner core is continuously pushed, the end face of the rotating disc body is abutted to the end face of the lock core shell, and the length of the whole lock body structure is reduced due to the arrangement of the abdicating groove.

As a further improvement of the technical scheme, a butting block protrudes from one side of the rotating disc body, which is close to the connector, and the peripheral surface of the butting block is butted against the inner wall of the lock cylinder shell.

Through the technical scheme, the abutting block is used for limiting the positions of the axes of the inner core and the lock cylinder shell when the inner core and the lock cylinder shell rotate relatively.

As a further improvement of the above technical solution, a side surface of one end of the rotation hole is provided with a first abutting surface, the first abutting surface is a semicircular surface, an inner wall of the rotation hole, which is far away from the first abutting surface, is fixedly connected with an anti-eccentricity jacking block, a surface of the anti-eccentricity jacking block, which is opposite to the first abutting surface, is provided with a second abutting surface, inner diameters of the first abutting surface and the second abutting surface are equal, an outer peripheral surface of the rotation body abuts against the first abutting surface, and an outer peripheral surface of the anti-detachment block always abuts against the second abutting surface.

Through the technical scheme, the anti-eccentric ejector block enables the outer peripheral surface of the anti-disassembling block to be always abutted against the second abutting surface of the anti-eccentric ejector block when the anti-eccentric ejector block rotates, so that the axis of the inner core and the axis of the lock core shell are always kept coincident, and a space for the anti-disassembling protrusion to penetrate through the rotating hole is provided.

As the further improvement of above-mentioned technical scheme, it has first stopper to rotate the disk body to the connector arch, the lock core shell is close to fixedly connected with second stopper on the inner wall of rotation disk body, the lock core shell is close to fixedly connected with third stopper on the inner wall of rotation disk body, the third stopper sets up with the position of first stopper is corresponding, be provided with the return torsional spring in the lock core shell, the inner core is located to the return torsional spring cover, two lateral wall butts of both ends and the third stopper of return torsional spring.

Through above-mentioned technical scheme, the return torsional spring makes lock core shell and inner core can automatic re-setting under the condition that relative rotation back external force disappears, reduces the operation, avoids operating personnel to forget to make lock core shell and inner core reset by negligence.

As a further improvement of the technical scheme, the second limiting block is provided with two symmetrical parts which are arranged at two sides of the first limiting block.

Through the technical scheme, the second limiting block is provided with two limiting blocks which enable the lock body structure to rotate in two directions.

As a further improvement of the technical scheme, the anti-dismantling groove is provided with a fixing bulge, the anti-dismantling block is provided with a fixing groove, and the fixing bulge is in clamping fit with the fixing groove.

Through above-mentioned technical scheme, fixed arch is used for fixed relative position of preventing tearing open piece and inner core, avoids preventing tearing open the piece and leads to preventing tearing open the performance reduction with the inner core separation easily.

A door lock comprising a lock body structure as claimed in any one of the preceding claims, further comprising a lock body shackle and a lock bar assembly; the lock body buckle consists of a buckle seat and a buckle, the buckle seat is fixedly connected with the buckle, one end of the buckle far away from the buckle seat is provided with a lock hook part, the end surface of the lock hook part far away from the buckle seat and at least one side surface are obliquely arranged or are in a conical shape, and one end of the lock hook part close to the buckle seat is provided with a hook opening; the locking rod assembly comprises a connecting frame and a rod body, one end of the connecting frame is hinged to the connector, the other end of the connecting frame is rotatably connected with the rod body, the middle section of the rotating shaft of the rod body deviates from the locking hook part, a reset torsion spring is arranged between the connecting frame and the connector, the reset torsion spring enables the connecting frame to have a trend of rotating towards the axis of the inner core, and the rod body is matched with the hook opening in a clamping mode.

Through the technical scheme, in the locking process of the door lock, the rod body can extrude the end face of the lock hook part away from the buckle seat, and the lock hook part and the buckle seat are automatically staggered to enable the rod body to be clamped into the hook opening; when the locking mechanism needs to be opened, an operator drives the inner core and the locking rod assembly to rotate, so that the rod body is matched with the side inclined surface of the locking hook part, the locking mechanism can be opened, and the locking and opening operations are simple; because the rod body is directly clamped with the hook opening, the hook opening is not easy to be disengaged, the safety performance is high, when the hook opening is used for equipment such as a steam cabinet, a steam oven and the like, the door can be closed only by forcibly pressing the door plate, and the door can be closed conveniently.

As a further improvement of the technical scheme, the rotary tray further comprises a rotary handle, and the rotary handle is fixedly connected with the rotary tray body.

Through the technical scheme, the handle is rotated to increase the distance between the force application point of an operator and the inner core, so that the operator can save more labor when driving the inner core and the locking rod assembly to rotate.

The utility model has the advantages that: when the lock body structure is installed, the inner core is firstly sleeved in the lock core shell, then the inner core is pushed towards the lock core shell, the connector gradually penetrates through the rotating hole, and the abutting block and the lock core shell are eccentrically arranged in the process. When the anti-disassembly protrusion completely penetrates through the rotating hole, the inner core is continuously pushed, so that the end face of the rotating disc body is abutted against the end face of the lock cylinder shell. The anti-disassembly block is installed in the anti-disassembly groove, and the lock body structure is installed at the moment. The anti-disassembly block prevents eccentric motion between the inner core and the lock core shell, and the anti-disassembly protrusion can penetrate through the rotation hole again to cause the lock body structure to be disassembled.

The utility model is used for tool to lock technical field.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic view of the overall structure of a lock body structure and a locking rod assembly according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of the inner core, the anti-detachment block and the return torsion spring according to the embodiment of the present invention;

fig. 3 is a schematic view of an assembly structure of the inner core, the anti-detachment block and another angle of the return torsion spring according to the embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of the inner core and the return torsion spring according to the embodiment of the present invention;

fig. 5 is a schematic overall structure diagram of the detachment prevention block according to the embodiment of the present invention;

fig. 6 is a schematic view of the overall structure of the lock cylinder housing according to the embodiment of the present invention;

fig. 7 is a schematic diagram of a half-section structure of a door lock according to an embodiment of the present invention.

In the figure, 100, the inner core; 110. rotating the disc body; 111. inserting a limiting block; 112. a first stopper; 120. a butting block; 121. a yielding groove; 130. connecting columns; 140. a connector; 141. a rotating body; 142. the anti-dismantling bulge; 143. a tamper groove; 144. a fixed protrusion; 200. a lock cylinder housing; 201. a second limiting block; 202. a third limiting block; 203. inserting the limiting groove; 210. rotating the hole; 211. a first abutting surface; 220. an anti-eccentricity jacking block; 221. a second abutting surface; 300. an anti-disassembly block; 310. fixing grooves; 400. a lock body buckle; 410. a buckle seat; 420. locking; 421. a latch hook portion; 422. hooking the mouth; 500. a locking bar assembly; 510. a connecting frame; 520. a rod body; 600. the handle is rotated.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, a lock body structure includes an inner core 100 and a core housing 200.

Referring to fig. 2 and 3, the core 100 includes a rotating disc 110, an abutment block 120, a connection post 130, and a connection head 140. The rotating disc body 110, the abutting block 120, the connecting column 130 and the connecting head 140 are sequentially arranged and fixedly connected in sequence. The coupling head 140 includes a rotating body 141 and a detachment prevention protrusion 142. The anti-detachment protrusion 142 is disposed at an end of the rotating body 141 away from the rotating disc 110 and is fixedly connected to the rotating body 141, and the rotating body 141 is cylindrical or substantially cylindrical as a whole. The insertion stopper 111 and the first stopper 112 extend from the rotating disc 110 to the connecting head 140, and the insertion stopper 111 and the first stopper 112 are respectively disposed at two opposite sides of the rotating disc 110. The abutting block 120 is disc-shaped, two abdicating grooves 121 are formed in one end, away from the rotating disc body 110, of the abutting block 120, the distance from the bottom of the abdicating groove 121 to the end face, close to the rotating disc body 110, of the anti-dismantling protrusion 142 is smaller than the distance from the two opposite end faces of the lock cylinder shell 200, and the two abdicating grooves 121 are symmetrically arranged on two sides of the insertion limiting block 111. The core 100 is integrally formed.

Referring to fig. 4 and 5, an anti-detachment groove 143 is formed at an end of the rotating body 141 away from the rotating disk, and an anti-detachment block 300 is installed in the anti-detachment groove 143. The outer circumferential surface of the detachment prevention block 300 is equal in diameter to the outer circumferential surface of the rotating body 141. The anti-disassembly groove 143 protrudes from the rotor 141 to a direction away from the fixing protrusion 144, and the anti-disassembly block 300 is provided with a fixing groove 310, wherein the fixing groove 310 is arranged corresponding to the fixing protrusion 144 and is in snap fit with the fixing protrusion 144.

Referring to fig. 6, the cylinder housing 200 is integrally formed, and the cylinder housing 200 is fitted over the core 100. The cylinder housing 200 is formed with a rotation hole 210 through which the connector 140 passes. One of the sidewalls of the rotation hole 210 is provided as a first abutment surface 211, and the first abutment surface 211 is provided in a semicircular shape. One end of the rotating hole 210 far away from the first abutting surface 211 is fixedly connected with an anti-eccentric jacking block 220, the surface of the anti-eccentric jacking block 220 opposite to the first abutting surface 211 is a second abutting surface 221, and the inner diameters of the second abutting surface 221 and the first abutting surface 211 are equal. The first contact surface 211 is always in contact with the outer peripheral surface of the rotating body 141, and the second contact surface 221 is always in contact with the outer peripheral surface of the tamper block 300. The inner wall of the lock cylinder shell 200 close to one end of the rotating disc body 110 is fixedly connected with a second limiting block 201 and a third limiting block 202, and the second limiting block 201 is provided with two symmetrical parts arranged at two sides of the third limiting block 202. The inner wall of the lock cylinder shell 200 near one end of the rotating disc body 110 is provided with an insertion limiting groove 203, and the position of the insertion limiting groove 203 corresponds to the position of the insertion limiting block 111.

A return torsion spring is arranged between the lock cylinder shell 200 and the inner core 100. The connecting column 130 is sleeved with the return torsion spring, two ends of the return torsion spring are respectively abutted to two side walls of the third limiting block 202, and when the lock cylinder shell 200 and the inner core 100 rotate relatively, the second limiting block 201 is used for limiting the maximum rotational displacement of the first limiting block 112, so that the maximum relative rotational angle of the inner core 100 and the lock cylinder shell 200 is limited. When rotating, the end of the return torsion spring far from the relative rotation direction abuts against the side wall of the third limiting block 202, and the other end abuts against the side wall of the first limiting block 112, so that the return torsion spring tends to restore the position between the inner core 100 and the lock core case 200.

Referring to fig. 7, a door lock includes the above-described lock body structure, a lock body shackle 400, and a locking rod assembly 500. The lock body buckle 400 is composed of a buckle seat 410 and a buckle 420, wherein the buckle seat 410 is fixed on the cabinet body through screws. The lock catch 420 and the lock holder 410 are fixed by screws. The end of the lock catch 420 away from the catch seat 410 is provided with a lock hook portion 421, and the end of the lock hook portion 421 away from the catch seat 410 is tapered. The end of the locking hook 421 away from the buckle seat 410 is provided with a hook opening 422. The locking rod assembly 500 includes a connecting frame 510 and a rod 520, wherein one end of the connecting frame 510 is hinged to the connector 140, and the other end is rotatably connected to the rod 520. Rod 520 is snap fit with hook opening 422. A return torsion spring is provided between the connecting frame 510 and the connecting head 140, and the return torsion spring makes the connecting frame 510 tend to rotate along the axis of the inner core 100. The lock body structure is arranged on door bodies such as a cabinet door, a steam cabinet door and the like. The end of the rotary disc body 110 far away from the cylinder housing 200 is fixedly connected with a rotary handle 600 through a screw.

The implementation principle of the embodiment is as follows: when the lock body structure is installed, the inner core 100 is firstly sleeved in the lock core shell 200, and then the inner core 100 is pushed towards the lock core shell 200, so that the connector 140 gradually passes through the rotating hole 210, and the abutting block 120 and the lock core shell 200 are eccentrically arranged in the process. When the inner core 100 moves to the bottom of the relief groove 121 to abut against the end surface of the cylinder case 200, the inner core 100 is tilted at this time, and the inner core 100 is continuously pushed, so that the detachment prevention protrusion 142 completely passes through the rotation hole 210. After the anti-removal protrusion 142 completely passes through the rotation hole 210, the core 100 is continuously pushed so that the end surface of the rotation disc 110 abuts against the end surface of the cylinder case 200. The anti-detach block 300 is then installed in the anti-detach slot 143, so that the fixing protrusion 144 is snapped into the fixing slot 310, and the installation of the lock body structure is completed. The anti-disassembly block 300 functions to prevent eccentric movement between the inner core 100 and the cylinder housing 200, and prevent the anti-disassembly protrusion 142 from being able to pass through the rotation hole 210 again, resulting in disassembly of the lock body structure.

In the process of locking the door lock, the rod body 520 can press the end surface of the lock hook part 421 away from the buckle seat 410, and the two parts are automatically staggered, so that the rod body 520 is clamped into the hook opening 422; when the locking device needs to be opened, an operator drives the rotating handle 600 to rotate towards one direction, so that the rod body 520 is matched with the side inclined plane of the locking hook portion 421, the locking buckle 420 mechanism can be opened, and the locking and opening operations are simple; because the rod body 520 is directly clamped with the hook opening 422, the hook opening is not easy to be disengaged, the safety performance is high, when the hook opening is used for equipment such as a steam cabinet, a steam oven and the like, the door can be closed only by forcibly pressing the door plate, the automatic locking can be realized, and the door closing is more convenient.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. A lock body structure is characterized in that: comprises an inner core (100) and a lock core shell (200), wherein the lock core shell (200) is provided with a rotating hole (210), the inner core (100) comprises a rotating disc body (110) and a connector (140), the connector (140) is arranged on one side of the rotating disc body (110), the connector (140) comprises a disassembly-preventing bulge (142) and a rotating body (141), the anti-disassembly protrusion (142) is fixed at one end of the rotating body (141) far away from the rotating disc body (110), an anti-disassembly groove (143) is formed in the rotating body (141), an anti-disassembly block (300) is arranged in the anti-disassembly groove (143), the outer circumferential surface of the anti-disassembly block (300) is abutted against the inner wall of the rotating hole (210), the rotating body (141) and the anti-disassembly block (300) rotate in the rotating hole (210), the anti-disassembly protrusion (142) extends out of the rotating hole (210), and the outer peripheral surface of the rotating body (141) is abutted against the inner peripheral surface of the rotating hole (210).

2. A lock body structure according to claim 1, wherein: the lock cylinder shell (200) is close to the inner wall of the rotating disc body (110) and is provided with an insertion limiting groove (203), the rotating disc body (110) protrudes towards the connector (140) to form an insertion limiting block (111), and the insertion limiting groove (203) and the insertion limiting block (111) are correspondingly arranged.

3. A lock body structure according to claim 2, wherein: one side of the rotating disc body (110) close to the connector (140) is provided with a butting block (120) in a protruding mode, and the outer peripheral surface of the butting block (120) is butted with the inner wall of the lock cylinder shell (200).

4. A lock body structure according to claim 3, wherein: two groove (121) of stepping down have been seted up to the one end of keeping away from rotation chassis in butt joint piece (120), the distance that the bottom of groove (121) of stepping down is less than the distance of two relative terminal surfaces of lock cylinder shell (200) to the distance of preventing tearing open protrusion (142) and being close to the terminal surface of rotation disk body (110), groove (121) of stepping down symmetry sets up in the both sides that insert stopper (111).

5. A lock body structure according to claim 1, wherein: the side of the one end of rotation hole (210) sets up to first butt face (211), first butt face (211) are the semicircle face, the inner wall fixedly connected with that the hole (210) kept away from first butt face (211) is rotated and eccentric kicking block (220) is prevented, prevent that eccentric kicking block (220) and first butt face (211) relative surface sets up to second butt face (221), the internal diameter of first butt face (211) and second butt face (221) equals, the outer peripheral face and first butt face (211) butt of rotor (141), the outer peripheral face of preventing tearing open piece (300) all the time with second butt face (221) butt.

6. A lock body structure according to claim 1, wherein: rotate disk body (110) and have first stopper (112) to connector (140) arch, fixedly connected with second stopper (201) on the inner wall that lock core shell (200) are close to rotation disk body (110), fixedly connected with third stopper (202) on the inner wall that lock core shell (200) are close to rotation disk body (110), third stopper (202) set up with the position of first stopper (112) is corresponding, be provided with the return torsional spring in lock core shell (200), inner core (100) are located to the return torsional spring cover, two lateral wall butts of both ends and third stopper (202) of return torsional spring.

7. A lock body structure according to claim 6, wherein: the second limiting block (201) is provided with two symmetrical parts which are arranged at two sides of the first limiting block (112).

8. A lock body structure according to claim 1, wherein: the anti-dismantling device is characterized in that a fixing protrusion (144) is arranged on the anti-dismantling groove (143), a fixing groove (310) is formed in the anti-dismantling block (300), and the fixing protrusion (144) is matched with the fixing groove (310) in a clamping mode.

9. A door lock characterized by: including the lock body structure of any one of claims 1 to 8, further comprising a lock body shackle (400) and a lock rod assembly (500); the lock body buckle (400) is composed of a buckle seat (410) and a lock catch (420), the buckle seat (410) is fixedly connected with the lock catch (420), one end, far away from the buckle seat (410), of the lock catch (420) is provided with a lock hook part (421), the end face, far away from the buckle seat (410), of the lock hook part (421) is obliquely arranged with at least one side face or is in a conical shape, and one end, close to the buckle seat (410), of the lock hook part (421) is provided with a hook opening (422); locking lever subassembly (500) is including link (510) and the body of rod (520), the one end and connector (140) of link (510) are articulated, the other end rotates with the body of rod (520) to be connected, the well cross-section of the skew lock hook portion (421) of the pivot of the body of rod (520), be provided with the reset torsion spring between link (510) and connector (140), the reset torsion spring makes link (510) have inner core (100) axis pivoted trend, the body of rod (520) cooperates with hook mouth (422) joint.

10. A door lock according to claim 9, wherein: the novel table is characterized by further comprising a rotating handle (600), wherein the rotating handle (600) is fixedly connected with the rotating disc body (110).

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