CN215212810U

CN215212810U - Lock catch box with adjustable lock groove width

Info

Publication number: CN215212810U
Application number: CN202023267228.7U
Authority: CN
Inventors: 陈鸿填; 张学勤; 冯伟杰
Original assignee: Guangdong Hutlon Technology Co Ltd; Foshan Hutlon Intelligent Technology Co Ltd
Current assignee: Guangdong Hutlon Technology Co Ltd; Foshan Hutlon Intelligent Technology Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-12-17
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a hasp box of adjustable locked groove width, include: the lock catch box main body is concavely provided with a lock groove; the bottom surface of the lock catch box main body is provided with an inclined guide hole; the lock catch plate is covered on the notch of the lock groove; the lock catch plate is provided with a slotted hole corresponding to the lock groove; the adjusting mechanism comprises a thread adjusting piece and an inclined guide piece, the inclined guide piece is arranged between the lock catch plate and the bottom surface of the lock catch box main body, and the inclined guide piece is inserted into and can slide in an inclined guide hole of the lock catch box main body; the thread adjusting piece sequentially penetrates through the lock catch plate and the inclined guide piece; the screw thread adjusting piece is in threaded connection with the inclined guide piece; the thread adjusting piece is limited to be capable of circumferential rotation only under stress relative to the lock catch plate, and the rotation axis of the circumferential rotation is the central line where the end face of the thread adjusting piece is located; the lateral adjustment movement of the keeper body relative to the keeper plate is controlled by the adjustment mechanism. The lock catch box has the functions of larger adjustment width, stepless adjustment, self-locking and the like.

Description

Lock catch box with adjustable lock groove width

Technical Field

The utility model relates to a lock accessory technical field especially relates to a hasp box of adjustable locked groove width.

Background

When the lockset is installed, the lock plate and the handle are installed on the door body, the lock catch box is installed on the door frame, the lock groove of the lock catch box corresponds to the position of the lock tongue, and therefore the lock tongue can stretch into the lock groove after the door is closed, and the door is locked.

At present, most hasp boxes do not possess the function of adjusting the locked groove width, and the width of locked groove is greater than the width of spring bolt for after closing the door, under the condition of blowing, the spring bolt will send annoying noise with the collision of locked groove inner wall, and long-term collision also can lead to the spring bolt to damage.

Of course, there are also prior art keepers with the function of adjusting the width of the keyway, but all have drawbacks. As the silent lock catch box disclosed in patent CN201310723440.5, the eccentric wheel is used to rotate to adjust the position of the lock catch groove, and the internal space of the lock catch box is relatively small, only a relatively small eccentric wheel can be used, so the diameter change of the eccentric wheel is not obvious, and the silent lock catch box is limited by the shape and size of the eccentric wheel, the adjustable width of the lock catch groove is not obvious, and is difficult to be applied to lock tongues with different sizes;

in addition, the adjustable locking device disclosed in patent CN201721059339.4 is adjusted by a uniform gear, but in this type of structure, because the teeth on the gear are designed at intervals, and when one tooth is rotated, the locking groove adjusts a fixed width, so that the adjustment width can only be adjusted according to the level, and the width of the locking groove cannot be freely adjusted, thereby resulting in that many lock tongues are not smooth when opening and closing the door, or a gap is still left;

furthermore, the hasp box of current adjustable keyway width, for example above-mentioned two kinds, all drive the hasp box through rotating the wheel and remove, because it is less with the atress area that the hasp box contradicts to rotate the wheel, and rotate the characteristic that the wheel has peripheral circular arc, the hasp box is just like an easy both sides wobbling seesaw on rotating the wheel, it all takes place to deflect easily to lead to regardless of which position and hasp box counterbalance that rotates the wheel, consequently, door is blocked when great or frequent quilt blows after the keyway is narrowed, the spring bolt frequently collides with the keyway, the hasp box withdrawal will appear makes keyway width grow again, form the clearance with the inserted spring bolt, so structural state is unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hasp box of adjustable locked groove width has the width of regulation, can stepless regulation and the stable characteristics of positioning state.

To achieve the purpose, the utility model adopts the following technical proposal:

a keeper of adjustable keyway width comprising:

the lock catch box main body is concavely provided with a lock groove; the bottom surface of the lock catch box main body is provided with an inclined guide hole;

the lock catch plate is covered on the notch of the lock groove; the lock catch plate is provided with a slotted hole corresponding to the lock groove;

an adjusting mechanism including a screw thread adjusting member and an inclined guide member, the inclined guide member being interposed between the keeper plate and the bottom surface of the keeper body, and the inclined guide member being inserted into and slidable in the inclined guide hole of the keeper body; the thread adjusting piece sequentially penetrates through the lock catch plate and the inclined guide piece; the threaded adjusting piece is in threaded connection with the inclined guide piece;

the thread adjusting piece is limited to be capable of circumferential rotation only under stress relative to the lock catch plate, and the rotation axis of the circumferential rotation is the central line where the end face of the thread adjusting piece is located;

the lateral adjustment movement of the keeper body relative to the strike plate is controlled by the adjustment mechanism.

Further, the inclined guide piece comprises a guide block and an inclined guide column which are connected; the guide block is in threaded connection with the threaded adjusting piece; the inclined guide post is fittingly inserted into and slidable within the inclined guide hole of the keeper body; the front projection of the inclined guide hole and the front projection of the inclined guide post are parallel to the direction of the transverse adjusting movement.

In order to be stressed more uniformly, according to some embodiments of the present invention, the inclined guide member includes two inclined guide pillars; correspondingly, the bottom surface of the lock catch box main body is provided with two inclined guide holes; the two inclined guide columns are respectively inserted into and can slide in the two inclined guide holes; and the guide directions of the two inclined guide posts to the two inclined guide holes are consistent.

Furthermore, the bottom surface of the lock catch box main body is provided with a yielding hole; the adjusting end of the thread adjusting piece is limited on the lock catch plate; the other end of the threaded adjusting piece is inserted into and clamped in the abdicating hole; the abdicating hole provides a stroke space for the thread adjusting piece in the process of the transverse adjusting movement of the lock catch box main body.

In order to make the overall structure of the lock catch box more firm, according to some embodiments of the present invention, the abdicating hole is an abdicating through hole which penetrates through the inner side and the outer side of the bottom surface of the lock catch box main body; the other end of the thread adjusting piece penetrates through the abdicating through hole and is clamped and limited at the outer side of the bottom surface of the lock catch box main body.

Furthermore, after the thread adjusting piece sequentially penetrates through the lock catch plate and the inclined guide piece, the guide block is closer to the lock catch plate; the angled guide post is closer to the bottom surface of the keeper body.

According to some embodiments of the present invention, the lock catch box body is concavely provided with two lock grooves; the lock catch plate is provided with two corresponding slotted holes.

According to the utility model discloses a partial embodiment, oblique guide hole sets up in two between the locked groove.

Furthermore, the lock catch box with the adjustable lock groove width also comprises a bottom box, wherein the bottom box is an open groove box; the lock catch box main body is arranged in the bottom box, and can perform the transverse adjustment movement in the bottom box; and the lock catch plate encapsulates the lock catch box main body in the bottom box.

According to some embodiments of the present invention, the longitudinal length of the outer contour of the keeper body is slightly smaller than the longitudinal length of the groove of the bottom case; or a limiting structure is arranged between the bottom box and the lock catch box body, and the limit structure limits that the lock catch box body can only be stressed in the bottom box to perform the transverse adjustment movement.

The utility model has the advantages that:

the lock catch box with the adjustable lock groove width adjusts the transverse position of the lock catch box through an adjusting mechanism consisting of the thread adjusting piece and the inclined guide piece, so that the width of the lock groove is adjusted. Has the following advantages:

1. based on the locked groove depth of the keeper body, the keeper of multiple different adjustment widths can be customized for the user by selecting the threaded adjustment piece and the inclined guide piece of different lengths. Therefore, when a longer threaded adjustment member and an inclined guide member are selected, the width of adjustment of the lockbox body that can perform the lateral adjustment movement is larger, so that the lockbox can be fitted to lock tongues of different sizes.

2. Based on threaded connection of the threaded adjusting piece and the inclined guide piece, mutual limiting and sliding fit of the inclined guide piece and the inclined guide hole, the lock catch box body can be controlled to perform transverse adjustment and movement in a stepless adjusting mode through fine rotation adjusting angles, so that the lock tongue does not need to be in clearance fit when stretching into the locking state of the lock catch box, and the fundamental problem of noise is solved.

3. In the adjusting mechanism of the lock catch box, the thread adjusting piece and the inclined guide piece are connected through threads, and the thread adjusting piece is limited to be stressed to perform circumferential rotation relative to the lock catch plate, and the rotation axis of the circumferential rotation is the central line of the end face of the thread adjusting piece, so that when the thread adjusting piece is rotated, the inclined guide piece is driven by the threads to move along the thread adjusting piece under the driving of the rotation trend of the threads; in addition, because the inclined guide piece and the matched inclined guide hole are mutually limited, the depth of the inclined guide piece inserted into the inclined guide hole is changed along with the movement of the threaded adjusting piece, and the relative position of the lock catch box main body and the lock catch plate is changed in the direction of the transverse adjusting movement under the guidance of the inclined guide piece on the inclined guide hole, so that the overlapping width of the notch of the lock groove and the slotted hole of the lock catch plate in the direction of the transverse adjusting movement is changed. Therefore, the lock catch box only has the thread adjusting piece can rotate, only can rotate in the circumferential direction, is limited and fixed in other directions, the oblique guide piece for supporting and positioning the lock catch box body is limited by the oblique guide hole and cannot rotate, after the lock groove is narrowed, only the thread adjusting piece is manually and actively rotated in the reverse direction, the oblique guide piece can move back, the self-locking function is achieved, and therefore the positioning state of the lock catch box body can be stably ensured by the oblique guide piece and the oblique guide hole.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is a schematic view of the bottom of the casing and the bottom of the keeper body of FIG. 1;

FIG. 3 is a schematic cross-sectional view of two states of an embodiment of the present invention; FIG. a is a view showing the maximum lateral width of the locking groove; FIG. b is a state in which the lateral width of the lock groove is reduced;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of the latch bolt inserted into the reduced width keeper to achieve a door-locking engagement;

FIG. 6 is a schematic view of the direction of the lateral adjustment movement;

FIG. 7 is a schematic front projection view of the slanted guide holes and the slanted guide posts;

wherein:

the lock catch box comprises a lock catch box body 1, a lock groove 11, an inclined guide hole 12, a yielding through hole 13 and a transverse displacement guide boss 14;

the lock catch plate 2 and the slot 21;

the adjusting mechanism 3, the threaded adjusting piece 31, the stopper 311, the inclined guide piece 32, the guide block 321, and the inclined guide column 322;

a bottom case 4, a lateral displacement guide hole 41;

door lock 01, spring bolt 02, door frame 03.

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 with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 in specific cases to those skilled in the art.

The utility model discloses a hasp box of adjustable locked groove width, include: a lock catch box body 1, which is concavely provided with a lock groove 11; the bottom surface of the lock catch box body 1 is provided with an inclined guide hole 12; the locking plate 2 covers the notch of the locking groove 11; the lock catch plate 2 is provided with a slot hole 21 corresponding to the lock slot 11; an adjusting mechanism 3 including a screw thread adjusting member 31 and an inclined guide member 32, the inclined guide member 32 being interposed between the keeper plate 2 and the bottom surface of the keeper body 1, and the inclined guide member 32 being inserted into and slidable in the inclined guide hole 12 of the keeper body 1; the screw thread adjusting piece 31 passes through the locking plate 2 and the inclined guide piece 32 in sequence; the screw thread adjusting piece 31 is in screw thread connection with the inclined guide piece 32; wherein, relative to the locking plate 2, the threaded adjusting piece 31 is limited to be forced to rotate circumferentially only, and the rotation axis of the circumferential rotation is the center line A of the end surface of the threaded adjusting piece 31, and the circumferential rotation is referred to as self circumferential rotation in the following; the adjustment mechanism 3 can control the lateral adjustment movement of the keeper body 1 relative to the strike plate 2, the direction of which is indicated by the arrow in fig. 5 or fig. 6.

In the adjusting mechanism of the lock catch box, the thread adjusting piece 31 is connected with the inclined guide piece 32 through threads, because the thread adjusting piece 31 is limited to be only stressed to rotate in a circumferential direction relative to the lock catch plate 2, and the rotating axis of the circumferential rotation is the central line A where the end face of the thread adjusting piece 31 is located, when the thread adjusting piece 31 is rotated, the inclined guide piece 32 is driven by the threads to move along the thread adjusting piece 31 under the driving of the rotating trend of the threads; in addition, because the inclined guide part 32 and the matched inclined guide hole 12 are limited, the inclined guide part 32 drives the whole lock catch box main body 1 to perform transverse adjustment movement relative to the lock catch plate 2 in a collision manner in the process of moving along the thread adjusting part 31, so that the overlapping width of the notch of the lock groove and the slotted hole of the lock catch plate 2 in the transverse adjustment moving direction is changed. Therefore, only the thread adjusting piece 31 of the lock catch box can rotate, and only can rotate in the circumferential direction, but is limited and fixed in other directions; the inclined guide part 32 for supporting and positioning the lock catch box body 1 is limited by the inclined guide hole 12 and cannot rotate, after the lock groove is narrowed, the screw thread adjusting part 31 is manually and actively rotated in the reverse direction, and the inclined guide part 32 can return to move, so that the self-locking function is realized, and therefore the inclined guide part 32 and the inclined guide hole 12 can ensure that the positioning state of the lock catch box body 1 is stable.

The utility model discloses a lock catch box still has following characteristics:

1. the magnitude of the displacement of the lateral adjustment movement of the keeper body 1 is related to the length of both the threaded adjustment member 31 and the angled guide member 32, and a variety of differently adjusted widths of keepers can be customized for the user by selecting different lengths of the threaded adjustment member 31 and the angled guide member 32 based on the depth of the keyway 11 of the keeper body 1. Therefore, considering the structural factor that the transverse width of the locking groove 11 in the lockbox body 1 is limited but the depth can be set deeper, the longer thread adjusting piece 31 and the inclined guide piece 32 are selected, and the adjusting width of the adjusting mechanism 3 for performing the transverse adjusting movement on the lockbox body 1 is larger than the adjusting width of the lockbox body 1 through the rotating wheels in various shapes in the prior art, so that the lockbox is more suitable for the lock tongues with different sizes.

2. Based on the threaded connection of the threaded adjusting part 31 and the inclined guide part 32 and the mutual limiting and sliding fit of the inclined guide part 32 and the inclined guide hole 12, the fine rotation adjusting angle can be used for controlling the lock catch box body 1 to perform the transverse adjustment movement in a stepless adjusting manner, so that the lock tongue can be in seamless fit when extending into the locking state of the lock catch box, and the fundamental problem of noise is solved.

3. Rotate wheel pair hasp box main part 1 control location for various shapes among the prior art, the utility model discloses an oblique guide 32 inserts oblique guide hole 12 in, the surface of oblique guide 32 and the internal face of oblique guide hole 12 contradict each other to support spacingly, have bigger lifting surface, and the positioning state is stable. Additionally, combine the utility model discloses above-mentioned self-locking function who introduces, in time the door is blocked when great or frequent being blown, and frequent collision takes place for spring bolt and locked groove, and these external forces also can't order about the utility model discloses an adjustment mechanism 3 returns like the rotation wheel among the prior art and deflects, consequently, the utility model discloses an adjustment mechanism 3 still has stable location effect to 1 long-time the protecting of hasp box main part, need not artifical often to go to adjust in the use of lock.

In order to facilitate the dynamic fit of the inclined guide 32 with the threaded adjusting part 31 and the inclined guide hole 12, respectively, the inclined guide 32 comprises a guide block 321 and an inclined guide column 322 which are connected, and further, the guide block 321 and the inclined guide column 322 are of an integrally formed structure; the guide block 321 is in threaded connection with the threaded adjusting part 31; the angled guide post 322 is fittingly inserted into and slidable within the angled guide hole 12 of the keeper body 1. Specifically, as shown in fig. 1 to 4, a threaded through hole is formed in the middle of the guide block 321, the inclined guide 32 is in threaded rotary connection with the threaded adjusting part 31 through the guide block 321, and the guide block 321 is used as a carrier of the inclined guide column 322 to drive the inclined guide column 322 to move along the threaded adjusting part 31; in addition, since the inclined directions of the inclined guide hole 12 and the inclined guide post 322 are required to be satisfied to guide the keeper body 1 to perform the lateral adjustment movement, the front projection of the inclined guide hole 12 and the front projection of the inclined guide post 322 are parallel to each other with respect to the direction of the lateral adjustment movement, as shown in fig. 7. As can be understood from the schematic view of fig. 7, the oblique guide hole 12 and the oblique guide post 322 are both straight bars, and their oblique designs take the position of the lockbox as a reference, so the plane where their front projections are located and the plane where the bottom surface of the lockbox main body 1 is located are parallel or overlapped, and their front projections are two straight line segments, the directions of wireless extension of the two ends of the two straight line segments are consistent with the direction of the lateral adjustment movement of the stressed lockbox main body 1, so that the driving movement direction of the oblique guide hole by the guide post 322 is the direction of the lateral adjustment movement, so as to push the whole lockbox main body 1 to perform the lateral adjustment movement. As can be easily understood: when the keeper body 1 takes the square shape as shown in the drawings, the front projection straight-line segments of both the angled guide hole 12 and the angled guide post 322 are parallel to the width edge of the keeper body 1.

For the sake of clarity in describing the dynamic principle, it is based on the state of the display of fig. 4, and the keepers are in the form of a square profile, but it should not be understood that this description is a limitation of the invention: due to the parallel design, when the screw thread adjusting member 31 rotates, the direction of the oblique guide post 322 pushing the latch box body 1 is the left movement or the right movement of the transverse adjusting movement in the process that the guide block 321 moves up or down along the screw thread adjusting member 31.

In order to bear more uniformly and stably, the inclined guide 32 further comprises two inclined guide posts 322 which are arranged side by side; correspondingly, the bottom surface of the lock catch box body 1 is provided with two inclined guide holes 12; the two inclined guide posts 322 are respectively inserted into and can slide in the two inclined guide holes 12; and the two inclined guide holes 12 respectively correspond to the guide directions of the two inclined guide pillars 322. Through the sliding fit of the two inclined guide posts 322 and the corresponding two inclined guide holes 12, the stress can be ensured to be more uniform when the lock catch box body 1 is transversely adjusted and moved, and the limitation of the two guide posts 322 can ensure that the whole lock catch box body 1 cannot deflect.

When a longer thread adjusting piece 31 is selected, in order that the position of the thread adjusting piece 31 does not hinder the lateral adjustment movement of the box body 1, the inner side of the bottom surface of the box body 1 is provided with a yielding hole; the adjustment end of the threaded adjustment member 31 is restrained on the keeper plate 2, see fig. 1-4; the other end of the threaded adjusting piece 31 is inserted into and clamped in the yielding hole, and the processing technology of clamping connection between parts in the prior art can be referred to; the abdicating hole provides a stroke space for the thread adjusting piece 31 in the process of the lateral adjustment movement of the lock catch box body 1, so that the lock catch box body 1 can smoothly perform the lateral adjustment movement without being limited and blocked, and the structure is more optimized, see fig. 2 and 3.

For the convenience of processing and assembling, furthermore, the abdicating hole is designed to be an abdicating through hole 13, and the abdicating through hole 13 penetrates through the inner side and the outer side of the bottom surface of the lock box main body 1; the other end of the screw thread adjusting piece 31 passes through the abdicating through-hole 13 and is caught at the outer side of the bottom surface of the keeper body 1. Specifically, the other end of the threaded adjusting member 31 can be clamped and limited on the outer bottom surface of the keeper body 1 by a stopper 311, and the stopper 311 is a clamping nut; or utilize processing technology such as riveting, pass the other end of screw thread regulating part 31 and give way behind the through-hole 13 outside, the processing is out of shape and is made it big than the aperture that gives way through-hole 13, thereby play the screens effect, consequently, through the both ends that block screw thread regulating part 31, can enough inject screw thread regulating part 31 and only can the atress carry out self turnover, can also link to each other hasp box main part 1 and hasp board 2 through screw thread regulating part 31, can guarantee the stability of equipment between each part, and do not influence and detain box main part 1 and carry out the lateral adjustment removal for hasp board 2. However, in any of the locking manners, the screw adjuster 31 is limited to be capable of rotating in the circumferential direction by a force.

Referring to fig. 3 and 4, for further rational optimization of the structure and more convenient installation in production, further, after the screw thread adjusting member 31 passes through the latch plate 2 and the inclined guide member 32 in sequence, the guide block 321 is closer to the latch plate 2; the angled guide post 322 is closer to the bottom surface of the keeper body 1. I.e., in the parking position shown in fig. 4, the guide block 321 is above the angled guide post 322 and closer to the latch plate.

In order to adapt to common lock bodies in the market, the lock catch box body 1 is further concavely provided with two lock grooves 11; the locking plate 2 is provided with two corresponding slots 21. Of course, it will be appreciated that the number and shape of the keyway 11 may be varied as required to accommodate the number and shape of locking bolts in an installed lock body. Further, when the keeper body 1 is provided with two locking grooves 11, the inclined guide hole 12 is opened between the two locking grooves 11 for the purpose of force balance; considering that the screw adjusting member 31 protrudes through the escape through hole 13, for example, the stopper 311 for stopping the screw adjusting member 31 shown in fig. 4, a mounting groove is formed between the two locking grooves 11 for accommodating most of the mounting inclined guide member 32 and the screw adjusting member 31, and the depth of the mounting groove is smaller than the depth of the locking groove 11, that is, as shown in the position state of fig. 4, the bottom surface of the mounting groove is higher than the bottom surface of the locking groove 11, so that a space is formed between the two locking grooves 11 and at the outer bottom of the mounting groove for providing a space for the stopper 311. Specifically, two oblique guide holes 12 and the dodging through hole 13 are all opened on the bottom surface of the mounting groove, and further, the two oblique guide holes 12 are symmetrically arranged on two sides of the dodging through hole 13. So that the overlapping width of the notches of the two locking grooves 11 and the groove hole 21 can be adjusted simultaneously when the lateral adjustment movement of the keeper body 1 is adjusted by the adjustment mechanism 3.

In order to reduce the friction between the tongue and the keeper or doorframe during the sliding of the tongue into or out of the keeper, referring to fig. 3 and 4, at least one side of the keeper plate 2 is provided with a curved edge; furthermore, the edge of the curved arc is connected with the edge of the main body of the lock catch plate 2 through an extension part, and the front surface of the main body of the edge self-locking buckle plate 2 of the curved arc is gradually curved to the back surface. So, when closing the door, the spring bolt slides curved arc edge and extension, uses the back for a long time, and the mar only can be stayed on the hasp board, and can not mark the door frame, and the user thinks that the mar is too big the time, only need to be changed hasp board 2 or whole hasp box can, play the guard action to the door frame.

In order to ensure the stable installation and protection of the lock catch box, the lock catch box also comprises a bottom box 4, wherein the bottom box 4 is an open groove box; the lock catch box main body 1 is arranged in the bottom box 4 in a way of being transversely adjusted and moved; and the latch plate 2 encloses the lock box body 1 in the back box 4. When the lock catch box is installed on a doorframe, the bottom box 4 is firstly embedded in the doorframe; then, the mounted lock catch box is correspondingly placed on the bottom box 4; and the locking plate 2 and the bottom case 4 are fixedly connected by screws. The screw thread adjusting piece 31 is rotated by a rotation tool according to the thickness of the latch bolt to adjust the overlapping width of the locking groove 11 and the groove hole 21, so that the latch bolt is deeply inserted into the lockbox to fit the locking door without a gap.

To further ensure the smooth movement of the keeper body 1, the longitudinal length of the outer contour of the keeper body 1 is slightly less than the longitudinal length of the groove of the base 4, and because the two longitudinal lengths are close, there is a gap space left for the lateral adjustment movement of the keeper body 1 in the base 4, and there is no extra space for the deflection of the keeper body 1 relative to the base 4. It is understood that the longitudinal direction refers to a direction relative to the direction in which the keeper body 1 is forced to undergo lateral adjustment movement. Of course, a limiting structure can be arranged between the bottom case 4 and the lock catch case body 1, and the lock catch case body 1 can be limited by the limiting structure to be only stressed to perform lateral adjustment movement in the bottom case 4. Specifically, the two ends of the bottom surface of the bottom case 4 are respectively provided with a lateral displacement guide hole 41, the bottom of the lock catch case body 1 is correspondingly provided with two lateral displacement guide bosses 14, the lateral displacement guide bosses 14 are slidably inserted into the lateral displacement guide holes 41 to realize the guiding of the lateral adjustment movement of the lock catch case body 1, and the length of the lateral displacement guide holes 41 or the lateral displacement guide bosses 14 can be set to realize the range limitation of the lateral adjustment movement of the lock catch case body 1. The screw thread adjusting piece 31 of the utility model can adopt screw thread rod-shaped objects such as adjusting screws, bolts and the like; other constructions and operations according to embodiments of the invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a hasp box of adjustable keyway width which characterized in that includes:

2. The keeper of claim 1 with adjustable slot width, wherein:

the inclined guide piece comprises a guide block and an inclined guide column which are connected;

the guide block is in threaded connection with the threaded adjusting piece;

the inclined guide post is fittingly inserted into and slidable within the inclined guide hole of the keeper body;

the front projection of the inclined guide hole and the front projection of the inclined guide post are parallel to the direction of the transverse adjusting movement.

3. The keeper of claim 2 with adjustable slot width, wherein:

the inclined guide piece comprises two inclined guide columns;

correspondingly, the bottom surface of the lock catch box main body is provided with two inclined guide holes;

the two inclined guide columns are respectively inserted into and can slide in the two inclined guide holes;

and the guide directions of the two inclined guide posts to the two inclined guide holes are consistent.

4. The keeper of claim 1 with adjustable slot width, wherein:

the bottom surface of the lock catch box main body is provided with a yielding hole;

the adjusting end of the thread adjusting piece is limited on the lock catch plate; the other end of the threaded adjusting piece is inserted into and clamped in the abdicating hole;

the abdicating hole provides a stroke space for the thread adjusting piece in the process of the transverse adjusting movement of the lock catch box main body.

5. The keeper of claim 4 with adjustable slot width, wherein:

the abdicating hole is an abdicating through hole which penetrates through the inner side and the outer side of the bottom surface of the lock catch box main body;

the other end of the thread adjusting piece penetrates through the abdicating through hole and is clamped and limited at the outer side of the bottom surface of the lock catch box main body.

6. The keeper of claim 2 with adjustable slot width, wherein:

after the thread adjusting piece sequentially penetrates through the lock catch plate and the inclined guide piece, the guide block is closer to the lock catch plate; the angled guide post is closer to the bottom surface of the keeper body.

7. The keeper of claim 1 with adjustable slot width, wherein:

the lock catch box main body is concavely provided with two lock grooves;

the lock catch plate is provided with two corresponding slotted holes.

8. The keeper of claim 7 with adjustable slot width, wherein:

the inclined guide hole is formed between the two locking grooves.

9. The keeper of claim 1 with adjustable slot width, wherein: the box body is an open groove box;

the lock catch box main body is arranged in the bottom box, and can perform the transverse adjustment movement in the bottom box;

and the lock catch plate encapsulates the lock catch box main body in the bottom box.

10. The keeper of claim 9 with adjustable slot width, wherein:

the longitudinal length of the outline of the lock box main body is slightly less than that in the groove of the bottom box;

or a limiting structure is arranged between the bottom box and the lock catch box body, and the limit structure limits that the lock catch box body can only be stressed in the bottom box to perform the transverse adjustment movement.