CN219528717U - Telescopic lockset - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to a telescopic lock which comprises a lock box, a lock rod and lock heads, wherein the lock rod is arranged at the left side and the right side of the lock box, the lock heads are arranged at the end part of the lock rod, which is far away from the lock box, and the lock heads are of wedge-shaped structures; the lock box is internally provided with a telescopic mechanism and an elastic piece for resetting the telescopic mechanism, two ends of the telescopic mechanism are connected with a lock rod, and the moving direction of the lock rod is consistent with the telescopic direction of the telescopic mechanism; the lock box is also provided with a handle for controlling the telescopic mechanism to stretch. The utility model can solve the technical problem of complicated operation of the prior lockset in the actual use process.

Description

Telescopic lockset

Technical Field

The utility model relates to the technical field of locks, in particular to a telescopic lock.

Background

The van is a common transport vehicle and has the advantages of large transport capacity, full utilization of space, high working efficiency, safety, reliability and the like; the van comprises a cab and an independent closed space for loading, wherein the van body is often designed into a structure of a rear door, a left and right door or a cabin grid type and the like for loading and unloading cargos conveniently. The wing-spread type cargo compartment is a typical left-right door-opening type compartment body, and the compartment door of the wing-spread type cargo compartment body is unfolded upwards after being opened, so that enough space is provided for an operator to load and unload cargoes from two sides of the compartment, and compared with the traditional cargo loading and unloading efficiency from one direction of the rear side of the cargo compartment, the wing-spread type cargo compartment body is greatly improved.

However, the existing wingspan type cargo compartment has the problem of complicated door locking, and after the compartment doors at two sides of the compartment body are closed, in order to avoid the situation that the compartment doors are opened due to jolt and vibration in the driving process, locks are often needed to be used for locking the compartment doors; the common locking mode at present is to install the tool to lock on two sides about the railway carriage or compartment door, and the tool to lock includes handle, lock box and locking lever, makes the locking lever insert in the lockhole on the railway carriage or compartment door frame through rotatory handle to reach the purpose of locking, the back rotation handle makes the locking lever withdraw from the lockhole again when opening the door. However, the above locking manner has the following technical problems in the actual use process: before each time opening or closing the carriage door of carriage body both sides, all need rotatory handle earlier, make the tool to lock open or lock, and need set up two tool to lock on the carriage door of one side at least, four tool to lock at least of both sides carriage door need one by one open or close when actual operation, and the operation is fairly loaded down with trivial details.

Disclosure of Invention

The utility model provides a telescopic lockset, which can solve the technical problem of complicated operation of the existing lockset in the actual use process.

The utility model provides the following technical scheme:

a telescopic lockset comprises a lock box, a lock rod and locking heads, wherein the lock rod is arranged on the left side and the right side of the lock box, the locking heads are arranged at the end part of the lock rod, which is far away from the lock box, and the locking heads are of wedge-shaped structures; the lock box is internally provided with a telescopic mechanism and an elastic piece for resetting the telescopic mechanism, two ends of the telescopic mechanism are connected with a lock rod, and the moving direction of the lock rod is consistent with the telescopic direction of the telescopic mechanism; the lock box is also provided with a handle for controlling the telescopic mechanism to stretch.

Technical principle and beneficial effect:

1. the tapered end of the wedge-shaped structure is arranged, the tapered end is inserted into or withdrawn from the lock hole by utilizing the telescopic mechanism, when the carriage door is closed, the wedge-shaped structure on the tapered end is contacted with the door frame, the door frame pushes the tapered end to move towards the direction of the lock box, so that the lock rod pushes the telescopic mechanism to shrink, when the tapered end is aligned with the lock hole, the tapered end loses the reverse thrust of the door frame, at the moment, the telescopic mechanism also loses the thrust of the lock rod, and under the reset acting force of the elastic piece, the telescopic mechanism resets and drives the lock rod to move in the reverse direction, so that the tapered end is inserted into the lock hole to realize locking; that is, the lock of the present utility model can automatically lock the door without requiring an operator to walk around the car body to rotate the handle.

2. Through set up the locking lever in the left and right sides of lock box, locking lever and tapered end are two sets of promptly, with the setting of lock box in the middle part of railway carriage or compartment door during the use, can realize two-way locking simultaneously, promptly through two tapered ends locking of a lock box and telescopic machanism control and open, easy operation compares and carries out unidirectional locking in current single tool to lock, has promoted the locking door greatly and has opened door efficiency.

3. Compared with the prior lock rod which is directly matched with the lock hole, the lock head has the advantages of more firm structure, difficult deformation, reliable locking and longer service life; in addition, the whole structure of tool to lock is simple, and equipment is convenient, the maintenance of being convenient for.

Further, telescopic machanism includes rolling disc and linkage piece, and the linkage piece is two and set up in the both sides of rolling disc, and the linkage piece is connected with the rolling disc activity, and the one end that the rolling disc was kept away from to the linkage piece is connected with the locking lever.

The beneficial effects are that: the lock rod is telescopic through the rotating disc and the linkage piece, namely, the lock rod moves towards the direction close to or far away from the lock box, so that the lock head is inserted into or separated from the lock hole, the structure is simple, the realization is easy, and the manufacturing cost is low.

Further, sliding grooves are formed in the left side wall and the right side wall of the lock box in a penetrating mode, the linkage piece is connected with the lock rod through a sliding rod, and the sliding rod is connected with the sliding grooves in a sliding mode; one end of the elastic piece is arranged on the side wall of the lock box, the other end of the elastic piece is connected with the linkage piece, and the installation direction of the elastic piece is consistent with the sliding direction of the sliding rod.

The beneficial effects are that: 1. the sliding groove is arranged on the side wall of the lock box, and plays a certain limiting role on the sliding rod, so that the locking rod is prevented from larger up-and-down deflection when moving; 2. by arranging the sliding rod, one end of the sliding rod, which passes through the sliding groove, is connected with the lock rod, and the other end of the sliding rod is connected with the linkage piece, so that the assembly and the maintenance are facilitated, and the unlocking box is not required to be disassembled; 3. under the locking state, the elastic piece is in a normal state (not stretched or compressed), the running process of the truck is stable, and the problem that the lock head is separated from the lock hole due to vibration to further cause potential safety hazard when the door is opened can be avoided.

Further, be provided with spacing portion on the circumference of rolling disc, when the rolling disc rotated certain angle, spacing portion and lock box's inner wall offset.

The beneficial effects are that: the setting of spacing portion plays spacing effect to the rolling disc, and when the rolling disc rotated, spacing portion can restrict the turned angle of rolling disc, and when the rolling disc reset the back, spacing portion supported on the inner wall of lock box, can guarantee that the rolling disc stops at initial position immediately, avoids rotating repeatedly under inertial effect.

Further, an arc-shaped bending part is arranged on the linkage piece, and the bending part faces the rotating disc.

The beneficial effects are that: the arc-shaped bending part is arranged to play a role in avoiding the position, so that the handle and the linkage piece are prevented from interfering with each other after the rotating disc rotates.

Further, the one end that slide bar is located the lock box is provided with the stopper, and the stopper is connected with the linkage, and the other end of slide bar is provided with connecting sleeve, and connecting sleeve is connected with the locking lever.

The beneficial effects are that: the limiting block is convenient to install and position on one hand, the sliding rod can be prevented from being separated from the sliding groove on the other hand, the connecting sleeve is convenient to connect with the locking rod, and the connecting mode can be welded or connected by screws.

Further, the handle comprises a connecting part and a handle, wherein the connecting part and the handle are mutually perpendicular and fixedly connected, and the connecting part is rotationally connected on the lock box and fixedly connected with the center of the rotating disc.

The beneficial effects are that: the handle is connected with the rotating disc, and the rotating disc is controlled to rotate through the rotating handle, so that the lock head is retracted towards the center of the lock box and separated from the lock hole, and the door is opened.

Further, a straight-line-shaped hole is formed in the center of the rotating disc, and a straight-line-shaped shaft matched with the straight-line-shaped hole is arranged at the end part of the connecting part.

The beneficial effects are that: the connecting part of the handle is matched with the rotating disc through the shaft hole and is of a straight-line structure, the straight-line structure plays a limiting role, and the connecting part of the handle and the rotating disc are prevented from moving relatively when the handle rotates.

Further, still include key locking subassembly, key locking subassembly include the lock core and with its meshing draw-in bar, the lock core setting is in the connecting portion of handle, the draw-in bar runs through the setting on connecting portion, and with connecting portion sliding connection, the draw-in bar sets up perpendicularly with the lock core.

Further, the lock box is also provided with a supporting block, the supporting block is provided with a clamping groove, and the clamping rod is matched with the clamping groove to limit the rotation of the handle.

The beneficial effects are that: the lock is further locked by the key locking assembly, so that the safety is higher; the specific principle is as follows: when the key is inserted into the lock cylinder, the lock cylinder rotates to drive the clamping rod to horizontally displace, and when the clamping rod extends out of the connecting part of the handle and is inserted into the clamping groove, the limit of the handle is realized, and at the moment, the handle cannot continuously rotate, so that the key is locked.

Drawings

FIG. 1 is a schematic diagram of a lock according to the present utility model;

FIG. 2 is a schematic view of the telescopic mechanism of the present utility model (with the right slide bar hidden);

FIG. 3 is a schematic view of the lock mounted on the door;

fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: the lock box 1, the upper box cover 10, the lower box cover 11, the rotating disc 12, the limiting part 121, the straight-line hole 122, the linkage 13, the sliding rod 14, the limiting block 141, the connecting sleeve 142, the spring 15, the sliding chute 16, the lock rod 2, the lock head 3, the handle 4, the connecting part 41, the handle 42, the carriage door 5, the door frame 51, the lock cylinder 6, the supporting block 7, the clamping groove 71 and the clamping rod 72.

Example 1

As shown in fig. 1, a telescopic lockset comprises a lock box 1, a lock rod 2 and lock heads 3, wherein the lock rod 2 is arranged at the left side and the right side of the lock box 1, the lock heads 3 are welded at the end part of the lock rod 2, which is far away from the lock box 1, and the lock heads 3 are wedge-shaped blocks; the lock box 1 consists of an upper box cover 10 and a lower box cover 11, a telescopic mechanism and an elastic piece for resetting the telescopic mechanism are arranged in the lock box 1, two ends of the telescopic mechanism are connected with a lock rod 2, and the moving direction of the lock rod 2 is consistent with the telescopic direction of the telescopic mechanism; the lock box 1 is also provided with a handle 4 for controlling the telescopic mechanism to stretch.

As shown in fig. 2 (for more clearly showing the telescopic mechanism, the sliding rod 14 on the right side is hidden in fig. 2), specifically, the telescopic mechanism includes a rotating disc 12 and a linkage member 13, one end of the linkage member 13 is hinged with the rotating disc 12, the linkage member 13 is two and is arranged at two sides of the rotating disc 12, and an arc-shaped bending part is further arranged on the linkage member 13 and faces the rotating disc 12; specifically, the rotating disc 12 is rotatably disposed in the middle of the inner side of the lower case cover 11, a limiting portion 121 is disposed on the circumference of the rotating disc 12, and the limiting portion 121 and the rotating disc 12 are integrally formed, for example, the rotating disc 12 is in a drop shape in this embodiment.

The left side wall and the right side wall of the lock box 1 are provided with sliding grooves 16 in a penetrating manner, the linkage piece 13 is connected with the lock rod 2 through a sliding rod 14 in the embodiment, and the sliding rod 14 is connected with the sliding grooves 16 in a sliding manner; specifically, a limiting block 141 is disposed at one end of the sliding rod 14 located on the lock box 1, the limiting block 141 is hinged to the linkage piece 13 or connected with the sliding rod by a screw, a connecting sleeve 142 is disposed at the other end of the sliding rod 14, and the connecting sleeve 142 penetrates out of the sliding groove 16 to be connected with the lock rod 2 by threads or welded. The elastic member of the present embodiment is a spring 15, and the installation direction of the spring 15 is consistent with the sliding direction of the sliding rod 14; specifically, one end of the spring 15 is fixed on the side wall of the lock box 1, the other end is connected with the linkage member 13, the bottom of the linkage member 13 is provided with a connecting bump, and the spring 15 is fixed on the connecting bump.

As shown in fig. 1, the handle 4 includes a connecting portion 41 and a handle 42, the connecting portion 41 and the handle 42 are perpendicular to each other and are welded or integrally formed, the connecting portion 41 penetrates through the lock case 1 and is fixedly connected with the rotating disc 12 through the center of the rotating disc 12, and the connecting portion 41 is rotatably connected with the lock case 1; specifically, a linear hole 122 is formed in the center of the rotating disc 12, a linear shaft matched with the linear hole 122 is arranged at the end part of the connecting part 41, and the linear shaft penetrates through the linear hole 122 and extends out of the lower box cover 11; the bottom surface of lower lid 11 still is provided with the pin that is used for preventing handle 4 from breaking away from lock box 1, and the pin passes the bottom of lower lid 11 and the connecting portion 41 threaded connection of handle 4, and the pin rotates with lower lid 11 to be connected, and the pin rotates along with it when handle 4 rotates.

As shown in fig. 3, the lock in this embodiment is mounted on the bottom of the door 5, but not limited to being mounted on the door 5 of the freight car body, and may also be mounted on other similar or similar door panels, and when used on other door panels, one or two sets of linkage members 13 may be selectively provided, so as to implement unidirectional or bidirectional locking. Specifically, the lock box 1 is installed in the middle position of the bottom of the carriage door 5, the lock rod 2 penetrates out from two sides of the carriage door 5, the lock head 3 is located at the outer side of the carriage door 5, a lock hole is correspondingly formed in the door frame 51 of the carriage body, and the wedge-shaped surface of the lock head 3 is opposite to the door frame.

The specific implementation process is as follows: when the compartment door 5 is closed, the wedge-shaped surfaces of the lock heads 3 positioned at two sides of the compartment door 5 are in contact with the door frame 51, and push the lock heads 3 to move towards the direction close to the lock box 1, so that the lock rod 2 pushes the sliding rod 14 to move, the sliding rod 14 pushes the linkage piece 13 to move, as one end of the spring 15 is fixed on the linkage piece 13, the spring 15 is stretched, the rotating disc 12 rotates under the reverse pushing of the two linkage pieces 13 until the limiting parts 121 on the rotating disc 12 limit the rotation of the two linkage pieces until the rotating disc 12 continues to rotate, the lock is in a contracted state, the lock heads 3 can continue to move inwards along the door frame 51 until the lock heads 3 are aligned with the lock holes, the lock heads 3 lose the reverse extrusion force of the door frame 51 on the lock heads, the rotating disc 12 reversely rotates under the reset force of the spring 15, the lock rod 2 moves towards the direction far away from the lock box 1, and the lock heads 3 are inserted into the lock holes to realize the locking effect; when the door needs to be opened, the handle 42 of the handle 4 is held and rotated, the rotating disc 12 is driven to rotate again by the rotation of the handle 4, so that the lock head 3 is retracted to be separated from the lock hole, and then the compartment door 5 is pulled outwards to realize the door opening. The lockset disclosed by the utility model is simple in structure, ingenious in design, strong in practicability and capable of being applied to various scenes.

Example two

The difference between this embodiment and the first embodiment is that the key locking device further includes a key locking assembly, as shown in fig. 4, the key locking assembly includes a lock cylinder 6 and a clamping rod 72 engaged with the lock cylinder, specifically, a circle of driving teeth is circumferentially arranged on the lock cylinder 6, and driven teeth (not shown in the figure) are horizontally arranged on the clamping rod 72; the lock cylinder 6 is rotatably arranged in the connecting part 41 of the handle 4, the clamping rod 72 penetrates through the connecting part 41 and is in sliding connection with the connecting part 41, the clamping rod 72 is perpendicular to the lock cylinder 6, and driving teeth on the lock cylinder 6 are meshed with driven teeth on the clamping rod 72; the upper box cover 10 is also provided with a supporting block 7, the supporting block 7 is connected with the upper box cover 10 by bolts, the connecting part 41 of the handle 4 penetrates through the supporting block 7 and stretches into the lock box 1, the supporting block 7 is provided with a clamping groove 71, and a clamping rod 72 is matched with the clamping groove 71 to realize key locking.

The working principle is as follows: when a key is inserted into the lock cylinder 6 and rotated, the driving teeth on the lock cylinder 6 rotate to drive the clamping rod 72 to horizontally displace, and when the clamping rod 72 extends out of the connecting part 41 of the handle 4 and is inserted into the clamping groove 71, the limit of the handle 4 is realized, and at the moment, the handle 4 cannot continue to rotate, so that the key is locked.

Example III

The difference between the present embodiment and the first embodiment is that the lock head 3 has two wedge-shaped faces, and the two wedge-shaped faces are adjacently arranged; the wing opens the compartment door 5 and expands outwards after opening, and can occupy a certain space, in order to save space, the compartment door 5 of the utility model is parallel to the horizontal plane after opening, and can push the compartment door 5 to the direction close to the middle part of the compartment, so that the compartment door 5 is retracted inwards; two wedge-shaped surfaces are arranged on the lock head 3, one wedge-shaped surface is used for being matched with a lock hole on a door frame when the door is closed, the other wedge-shaped surface is used for being matched with the lock hole on the top of the carriage body when the carriage door 5 is pushed inwards in a horizontal state after the door is opened, and therefore locking of the carriage door 5 in the horizontal direction is achieved; through the design, the problem that the space is occupied after the carriage door 5 is opened can be solved, and the carriage door 5 can be locked in the horizontal direction by utilizing the lockset on the carriage door 5.

The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (10)

1. The telescopic lockset comprises a lock box, a lock rod and locking heads, and is characterized in that the lock rod is arranged at the left side and the right side of the lock box, the locking heads are arranged at the end parts of the lock rod, which are far away from the lock box, and the locking heads are of wedge-shaped structures; the lock box is internally provided with a telescopic mechanism and an elastic piece for resetting the telescopic mechanism, two ends of the telescopic mechanism are connected with a lock rod, and the moving direction of the lock rod is consistent with the telescopic direction of the telescopic mechanism; the lock box is also provided with a handle for controlling the telescopic mechanism to stretch.

2. A retractable lock according to claim 1, wherein: the telescopic mechanism comprises a rotating disc and two linkage pieces, wherein the two linkage pieces are arranged on two sides of the rotating disc and movably connected with the rotating disc, and one end, far away from the rotating disc, of each linkage piece is connected with a lock rod.

3. A retractable lock according to claim 2, wherein: the left side wall and the right side wall of the lock box are provided with sliding grooves in a penetrating mode, the linkage piece is connected with the lock rod through a sliding rod, and the sliding rod is connected with the sliding grooves in a sliding mode; one end of the elastic piece is arranged on the side wall of the lock box, the other end of the elastic piece is connected with the linkage piece, and the installation direction of the elastic piece is consistent with the sliding direction of the sliding rod.

4. A retractable lock according to claim 3, wherein: and a limiting part is arranged on the circumference of the rotating disc, and when the rotating disc rotates for a certain angle, the limiting part is propped against the inner wall of the lock box.

5. The retractable lock of claim 4, wherein: the linkage piece is provided with an arc-shaped bending part which faces the rotating disc.

6. The retractable lock of claim 5, wherein: the sliding rod is provided with the stopper in the one end of lock box, and the stopper is connected with the linkage, and the other end of sliding rod is provided with connecting sleeve, and connecting sleeve is connected with the locking lever.

7. A retractable lock according to any of claims 2-6, wherein: the handle comprises a connecting part and a handle, wherein the connecting part and the handle are mutually perpendicular and fixedly connected, and the connecting part is rotationally connected on the lock box and fixedly connected with the center of the rotating disc.

8. The retractable lock of claim 7, wherein: the center of the rotating disc is provided with a straight-line-shaped hole, and the end part of the connecting part is provided with a straight-line-shaped shaft matched with the straight-line-shaped hole.

9. The retractable lock of claim 8, wherein: still include key locking subassembly, key locking subassembly include the lock core and with its meshing draw-in bar, the lock core sets up in the connecting portion of handle, the draw-in bar runs through the setting on connecting portion, and with connecting portion sliding connection, the draw-in bar sets up perpendicularly with the lock core.

10. The retractable lock of claim 9, wherein: the lock box is also provided with a supporting block, the supporting block is provided with a clamping groove, and the clamping rod is matched with the clamping groove to limit the rotation of the handle.