CN220621433U - Spring-assisted device and plane lock - Google Patents

Abstract

The utility model relates to a bullet assisting device and a plane lock, wherein the bullet assisting device is arranged in a handle groove of the plane lock, the bullet assisting device comprises a bullet assisting assembly and a bullet assisting base, the bullet assisting assembly is assembled on the bullet assisting base to form a functional module, the bullet assisting base comprises a base main body and an installation structure for installing the bullet assisting base, the bullet assisting assembly comprises a spring and a bullet assisting cover, the bullet assisting cover is configured to limit directional sliding on the bullet assisting base, the spring is configured between the bullet assisting cover and the bullet assisting base in a compressible way, one end of the spring is supported on the bullet assisting base, the other end of the spring is abutted on the bullet assisting cover, and the bullet assisting cover slides along the bullet assisting base and compresses the spring, so that spring energy storage is formed. The bullet-assisting device in the form of an independent functional module realizes independent assembly, is convenient for assembly production, and can be assembled on corresponding products for use according to the needs.

Description

Spring-assisted device and plane lock

Technical Field

The present utility model relates to a spring-assisted device and a planar lock equipped with the spring-assisted device.

Background

In the field of locks, in order to improve the convenience of handle operation, a spring-operated pop-up device (also referred to as a spring-assisted device) is generally configured to provide a driving force to the handle, so as to achieve automatic pop-up of the handle after unlocking. However, the existing spring opening device adopts a mounting structure for assembling a spring by directly forming the lock or the handle, and then the spring is limited on the mounting structure. The existing processing and assembly are inconvenient, and different locks are all required to be provided with spring mounting structures independently and assembled to form a spring assisting device, so that the production efficiency of products is limited, and inconvenience is brought to use.

Disclosure of Invention

The utility model aims at: in order to overcome the defects in the prior art, the utility model provides the elastic assisting device in the form of an independent functional module, which realizes independent assembly, is convenient for assembly production and can be assembled on corresponding products for use according to the needs.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an elastic assisting device, comprising an elastic component, characterized in that: the spring is configured between the elastic supporting cover and the elastic supporting base in a compressible mode, one end of the spring is supported on the elastic supporting base, the other end of the spring is abutted to the elastic supporting cover, and the elastic supporting cover slides along the elastic supporting base and compresses the spring to form spring energy storage.

The spring assisting device comprises a spring assisting base, a spring assisting cover and a spring, wherein the spring assisting base, the spring assisting cover and the spring are assembled in advance, the spring assisting base is fixed on corresponding products, such as locks, by means of a mounting structure on the spring assisting base, a part, which needs elastic assistance, of the related products pushes the spring assisting cover, the spring is compressed by the spring assisting cover, the spring stores energy, elastic energy storage assistance is provided for the related parts, such as unlocking of a handle of the lock, and the spring pushes the handle to bounce through the spring assisting cover. The spring-assisted base, the spring-assisted cover and the spring are integrated into an independent functional module, so that the spring-assisted base, the spring-assisted cover and the spring can be conveniently assembled on corresponding products, such as locks, according to requirements, and the use is more flexible and convenient; in addition, the bullet assisting device can be independently assembled and then can be used as a fitting to be installed on related products, so that the assembling production of the products is facilitated, and the production efficiency is improved.

Preferably, the bullet-assisted base is provided with a gland sliding guide part, the bullet-assisted cover is provided with a sliding fit part, the sliding fit part is in sliding guide fit with the gland sliding guide part, the bullet-assisted base is also provided with an anti-falling stop boss, the bullet-assisted cover is provided with an elastic clamping foot, the elastic head end of the elastic clamping foot is clamped below the anti-falling stop boss, and the elastic head end of the elastic clamping foot is limited by the stop of the anti-falling stop boss; or the bullet-assisting pressure cover is also provided with an anti-falling stop boss, the bullet-assisting base is provided with an elastic clamping foot, the elastic head end of the elastic clamping foot is clamped below the anti-falling stop boss, and the elastic head end of the elastic clamping foot is limited by the anti-falling stop boss.

Preferably, the base main part center of helping the bullet base is equipped with the spring accommodation chamber, gland slip direction portion includes on the base main part around the spring accommodation chamber week side set up, two at least location guide holes that are the opposite arrangement, the shaping has anticreep backstop boss on location guide hole top inner wall, and the top of location guide hole has the assembly opening be equipped with on helping the bullet pressure cover with location guide hole one-to-one complex elasticity card foot, in the elasticity card foot along assembly opening insertion device location guide hole to with location guide hole direction cooperation, and the elasticity head end elastic expansion back of elasticity card foot passes anticreep backstop boss, thereby make the elasticity head end of elasticity card foot be located anticreep backstop boss below, slip fit portion includes the first part that comprises elasticity card foot. Under this structural design, elasticity card foot not only is used for preventing helping bullet gland and helping bullet base to throw off, realizes helping bullet base and helping the slip direction of bullet gland simultaneously, has compact structure's advantage.

Preferably, the gland sliding guide part further comprises a cylindrical protrusion positioned at the center of the spring accommodating cavity, the spring is a spiral spring, the spring is sleeved on the cylindrical protrusion, and the sliding fit part further comprises a guide column which is inserted in a central hole of the cylindrical protrusion in a sliding manner. Under this structural design, in central point, realize through tube-shape arch and guide post cooperation that reliable slip is led to make helping bullet base and helping the slip of bullet gland more reliable and more stable, the installation of spring is more reliable simultaneously.

Preferably, the diameter expansion design is adopted at the root of the guide post, so that a circular base is formed, and the circular base is sleeved with a spring, so that the spring is more reliably matched with the spring-assisting cover, and in addition, the circular base plays a role in reinforcing the guide post.

Preferably, the mounting structure of the bullet-assisted base comprises a base plate formed by laterally extending a base main body, a mounting hole is formed in the base plate, the base main body is square, a pair of positioning guide holes are formed in the base main body and located on a pair of opposite walls of the base main body, each positioning guide hole comprises a U-shaped groove portion formed by concavely forming on the outer side wall of the base main body, the lower portion of each U-shaped groove portion extends and penetrates through the bottom surface of the base main body, and the U-shaped groove portion laterally extends to the base plate to form a hole portion. Under this structural design, help bullet device overall structure simple small and exquisite, location guide hole main part adopts U-shaped groove form, and processing is convenient.

The utility model also discloses a plane lock applying the spring assisting device, and the plane lock has the advantage of convenience in assembling the lock.

The utility model provides a plane lock, includes lock shell, handle and lock device, is equipped with the handle groove on the lock shell, and the handle is arranged in the handle inslot, and handle one end pivot dress is on the lock shell, and the handle other end can be detained into the handle inslot, and lock device includes lock core mechanism and latch hook mechanism, and lock core mechanism installs in handle one end and forms protruding part on the handle, and latch hook mechanism arranges in the handle inslot and corresponds the cooperation with lock core mechanism, and the handle is detained into the handle inslot and is locked with keeping in the handle inslot through lock core mechanism and latch hook mechanism, the handle disposes after lock core mechanism and latch hook mechanism unblock, and the bullet device is assisted to the bullet of actuating handle one end, its characterized in that: the elastic assisting device is fixedly arranged in the handle groove, and the handle is buckled into the handle groove and presses against an elastic assisting cover of the elastic assisting device so as to drive a spring of the elastic assisting device to store energy. Under this structural design, help the bullet device and be independent unit module, accomplish the assembly back respectively at the main part of tool to lock and help the bullet device, will help the bullet device and install as unit module to improve the production efficiency of plane lock, and effectively utilize the interval space between handle and the handle groove, will help the bullet device to install in the handle inslot, have simple to operate's advantage.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the structure of a planar lock of the present utility model;

FIG. 2 is a spring-up state diagram of the spring-assisted device of the present utility model;

FIG. 3 is a compressed energy storage state diagram of the bullet-assisting device of the present utility model;

fig. 4 is an exploded view of the bullet-assisting apparatus of the present utility model.

Detailed Description

Referring to fig. 1 to 4, the flat lock disclosed by the utility model is provided with a spring assisting device 3 in the form of a unit module so as to improve the assembly efficiency of the lock, the flat lock comprises a lock shell 1, a handle 2 and a lock device, wherein a handle groove 11 is arranged on the lock shell 1, the handle 2 is arranged in the handle groove 11, one end of the handle 2 is pivotally arranged on the lock shell 1 through a pivot, the other end of the handle 2 swings around the pivot, the handle 2 can be buckled in the handle groove 11, the lock device comprises a lock cylinder mechanism 4 and a lock hook mechanism 5, the lock cylinder mechanism 4 is arranged at one end of the handle 2, a convex part 21 is formed on the handle 2, the lock hook mechanism 5 is arranged in the handle groove 11 and correspondingly matched with the lock cylinder mechanism 4, the handle 2 is buckled in the handle groove 11 and locked through the lock cylinder mechanism 4 and the lock hook mechanism 5 so as to be kept in the handle groove 11, the handle 2 is configured with a function of unlocking the lock cylinder mechanism 4 and the lock hook mechanism 5, a spring supporting device 3 for driving one end of the handle 2 to spring, wherein the spring supporting device 3 comprises a spring supporting component and a spring supporting base 31, the spring supporting component is assembled on the spring supporting base 31 to form a functional module, the spring supporting base 31 comprises a base main body 311 and a mounting structure 312 for mounting the spring supporting base 31, the spring supporting device 3 is fixedly arranged in the handle groove 11, the spring supporting component comprises a spring 32 and a spring supporting cover 33, the spring supporting cover 33 is configured to limit directional sliding on the spring supporting base 31, the spring 32 is configured between the spring supporting cover 33 and the spring supporting base 31 in a compressible mode, one end of the spring 32 is supported on the spring supporting base 31, the other end of the spring 32 is abutted on the spring supporting cover 33, the spring supporting cover 33 slides along the spring supporting base 31 and compresses the spring 32 to form spring 32 to store energy, the handle 2 is buckled in the handle groove 11 and supports the spring supporting cover 33 of the spring supporting cover 3, to drive the spring 31 of the ejection assisting device 3 to store energy.

The cavity space that handle groove 11 corresponds with protruding part 21 on handle 2 is great, and the priority is with helping the bullet device to install in the handle inslot supplies protruding part male cavity, helps bullet device 3 to help bullet gland 33 and protruding part 21 to correspond the cooperation, after handle 2 goes up protruding part 21 and detains in handle groove 11, supports to press helping bullet gland 33, helps bullet device 3 energy storage, because the handle is locked, helps bullet device energy storage and keeps energy storage state, after the handle unblock, under helping bullet device energy storage power drive, the handle pops up. Thus, one skilled in the art can of course also mount the ejection assisting device to other locations of the handle slot as desired.

Further, the bullet assisting base 31 is provided with a gland sliding guide portion, the bullet assisting cover 33 is provided with a sliding fit portion, the sliding fit portion is in sliding guide fit with the gland sliding guide portion, the bullet assisting base 31 is further provided with an anti-falling stop boss 3111, the bullet assisting cover 33 is provided with an elastic clamping foot 331, the elastic head end 3311 of the elastic clamping foot 331 is clamped below the anti-falling stop boss 3111, and the elastic head end 3311 of the elastic clamping foot 331 is limited by the anti-falling stop boss 3111. The bullet-assisted base 31 and the bullet-assisted cover 33 are connected in a sliding manner, and the bullet-assisted base and the bullet-assisted cover are kept as a whole through the elastic clamping legs and the stop of the anti-falling stop boss, so that the bullet-assisted base and the bullet-assisted cover are simple in structure and easy and convenient to assemble. Of course, under the guidance of the utility model, the person skilled in the art can combine the prior art to adjust the assembly structure of the bullet-assisting base and the bullet-assisting cover, for example, a bolt is arranged on the bullet-assisting base, the bolt is provided with a smooth shaft section, and the bullet-assisting cover is sleeved on the smooth shaft section of the bolt and limited by the head of the bolt; or, a strip-shaped groove extending along the sliding direction of the bullet-assisting cover is arranged on the bullet-assisting base, a limit screw is arranged on the bullet-assisting cover, the limit screw is inserted into the strip-shaped groove, and the bullet-assisting cover is limited on the bullet-assisting base through the matching of the limit screw and the groove wall stop of the strip-shaped groove; and the like, in combination with alternatives available in the art; of course, the anti-drop stop boss can be arranged on the bullet-assisting pressing cover, an elastic clamping foot is arranged on the bullet-assisting base, the elastic head end of the elastic clamping foot is clamped below the anti-drop stop boss, and the elastic head end of the elastic clamping foot is limited by the anti-drop stop boss.

The center of the base body 311 of the bullet-supporting base 31 is provided with a spring accommodating cavity 3112, the gland sliding guide part comprises at least two positioning guide holes 3113 which are arranged around the periphery of the spring accommodating cavity 3112 and are oppositely arranged, an anti-drop stop boss 3111 is formed on the inner wall of the top of the positioning guide hole 3113, the top end of the positioning guide hole 3113 is provided with an assembling opening, the bullet-supporting cover 33 is provided with elastic clamping feet 331 which are matched with the positioning guide holes 3113 in a one-to-one correspondence manner, the elastic clamping feet 331 are inserted into the positioning guide holes 3113 along the assembling opening, so as to be in guiding fit with the positioning guide holes 3113, and after the elastic head ends 3311 of the elastic clamping feet 331 are elastically expanded, the elastic head ends 3311 of the elastic clamping feet 331 are positioned below the anti-drop stop boss 3111, and the sliding fit part comprises a first part which is composed of the elastic clamping feet 331. The elastic clamping foot is not only used for preventing the elastic supporting cover from being separated from the elastic supporting base, but also realizes the sliding guide of the elastic supporting base and the elastic supporting cover, and has the advantage of compact structure.

In addition, in order to make the relative sliding between the elastic supporting cover and the elastic supporting base more stable and reliable, the cover sliding guide part further comprises a cylindrical protrusion 3114 located at the center of the spring accommodating cavity 3112, the spring 31 is a coil spring, the spring 31 is sleeved on the cylindrical protrusion 3114, and the sliding fit part further comprises a guide post 332 slidably inserted into a central hole of the cylindrical protrusion 3114. At the central position, reliable sliding guide is realized through the matching of the cylindrical bulge and the guide column, so that the sliding of the bullet-assisting base and the bullet-assisting cover is more stable and reliable, and meanwhile, the installation of the spring is more reliable. The root of the guide post 332 adopts a diameter expansion design, so that a circular base 3321 is formed, the circular base 3321 is sleeved with the spring 31, so that the spring 31 and the elastic-assisted cover 33 are more reliably matched, and in addition, the circular base plays a role in reinforcing the guide post.

In the present utility model, the mounting structure 312 of the bullet-supporting base 31 includes a base plate 3121 formed by laterally extending a base body 31, a mounting hole 3122 is formed on the base plate 3121, the base body 311 is square, a pair of positioning guide holes 3113 are formed in the base body 311, the positioning guide holes 3113 are located on a pair of opposite walls of the base body 311, the positioning guide holes 3113 include a U-shaped groove 31131 formed on an outer side wall of the base body 311 in a concave manner, a lower portion of the U-shaped groove 31131 extends and penetrates a bottom surface of the base body 311, and the U-shaped groove 31131 laterally extends to the base plate 3121 to form a hole 31132. The base main body adopts square outline, can be better be applicable to on the plane lock, of course can also be according to the circumstances, and the profile of base main body adopts shape design, helps bullet device overall structure simple small and exquisite, and location guide hole main part adopts U-shaped groove form, and processing is convenient.

The ejection assisting device 3 of the plane lock is designed in an independent module mode, becomes a functional module accessory of the plane lock, and is more convenient to assemble and production and convenient to assemble and produce compared with the traditional mode of installing a torsion spring on a pivot shaft of a handle; therefore, the bullet assisting device can be applied to other products which need spring assistance, and the application range of the bullet assisting device is improved. The spacing space between the handle and the handle groove is effectively utilized, the spring assisting device is arranged in the handle groove, and compared with the traditional space and structure which need to be designed at the pivot shaft position of the handle for spring assembly, the spring assisting device has the advantage of convenient installation and more compact structure.

The working state of the spring assisting device in the operation process of the plane lock handle is as follows:

in the process that the handle 2 is buckled into the handle groove 11, the bulge 21 on the handle 2 is contacted with the elastic-assisted cover 33 which is propped against the elastic-assisted device 3, and along with the buckling of the handle 2 into the handle groove 11, the bulge 21 on the handle 2 pushes the elastic-assisted cover 33, the elastic-assisted cover 33 slides and compresses the spring 32, the handle 2 is locked by the locking device and then is kept in the handle groove 11, meanwhile, the elastic-assisted device 3 is in a compressed state, and the elastic-assisted device 3 stores energy; after unlocking the lock device, the handle 2 is released, and the handle 2 springs up under the elastic energy storage capacity of the spring-assisted device 3.

Claims (8)

1. An elastic assisting device, comprising an elastic component, characterized in that: the spring is configured between the elastic supporting cover and the elastic supporting base in a compressible mode, one end of the spring is supported on the elastic supporting base, the other end of the spring is abutted to the elastic supporting cover, and the elastic supporting cover slides along the elastic supporting base and compresses the spring to form spring energy storage.

2. The ejection assisting device according to claim 1, wherein: the elastic supporting base is provided with a gland sliding guide part, the elastic supporting cover is provided with a sliding fit part which is in sliding guide fit with the gland sliding guide part, the elastic supporting base is also provided with an anti-falling stop boss, the elastic supporting cover is provided with an elastic clamping foot, the elastic head end of the elastic clamping foot is clamped below the anti-falling stop boss, and the elastic head end of the elastic clamping foot is limited by the anti-falling stop boss stop; or the bullet-assisting pressure cover is also provided with an anti-falling stop boss, the bullet-assisting base is provided with an elastic clamping foot, the elastic head end of the elastic clamping foot is clamped below the anti-falling stop boss, and the elastic head end of the elastic clamping foot is limited by the anti-falling stop boss.

3. The ejection assisting apparatus according to claim 2, wherein: the elastic clamping device comprises a pressing cover, a pressing cover sliding guide part, an elastic clamping pin inserting device, a positioning guide hole and a sliding fit part, wherein the center of the base body of the elastic supporting base is provided with a spring accommodating cavity, the pressing cover sliding guide part comprises at least two positioning guide holes which are arranged around the periphery of the spring accommodating cavity and are oppositely arranged, an anti-falling stop boss is formed in the inner wall of the top of each positioning guide hole, the top end of each positioning guide hole is provided with an assembly opening, the elastic clamping pin is arranged on the elastic supporting cover in a mode of being in one-to-one correspondence with the positioning guide holes, the elastic clamping pin is inserted into the positioning guide hole along the assembly opening, the elastic head end of the elastic clamping pin is elastically expanded and then passes through the anti-falling stop boss, and therefore the elastic head end of the elastic clamping pin is located below the anti-falling stop boss, and the sliding fit part comprises a first part which is composed of the elastic clamping pin.

4. A bullet-assisted device according to claim 3, wherein: the gland sliding guide part also comprises a cylindrical bulge positioned at the center of the spring accommodating cavity, the spring is a spiral spring, the spring is sleeved on the cylindrical bulge, and the sliding fit part also comprises a guide column which is inserted in a central hole of the cylindrical bulge in a sliding manner.

5. The ejection assisting apparatus according to claim 4, wherein: the diameter expansion design is adopted at the root of the guide post, so that a circular base platform is formed, and a spring is sleeved in the circular base platform.

6. A bullet-assisted device according to claim 3, wherein: the mounting structure of the bullet-assisted base comprises a base plate formed by lateral extension of a base body, a mounting hole is formed in the base plate, the base body is square, a pair of positioning guide holes are formed in the base body and located on a pair of opposite walls of the base body, each positioning guide hole comprises a U-shaped groove portion concavely formed in the outer side wall of the base body, the lower portion of each U-shaped groove portion extends and penetrates through the bottom surface of the base body, and the U-shaped groove portion laterally extends to the base plate to form a hole portion.

7. The utility model provides a plane lock, includes lock shell, handle and lock device, is equipped with the handle groove on the lock shell, and the handle is arranged in the handle inslot, and handle one end pivot dress is on the lock shell, and the handle other end can be detained into the handle inslot, and lock device includes lock core mechanism and latch hook mechanism, and lock core mechanism installs in handle one end and forms protruding part on the handle, and latch hook mechanism arranges in the handle inslot and corresponds the cooperation with lock core mechanism, and the handle is detained into the handle inslot and is locked with keeping in the handle inslot through lock core mechanism and latch hook mechanism, the handle disposes after lock core mechanism and latch hook mechanism unblock, and the bullet device is assisted to the bullet of actuating handle one end, its characterized in that: the bullet-assisted device is the bullet-assisted device according to any one of claims 1-6, the bullet-assisted device is fixedly arranged in the handle groove, and the handle is buckled in the handle groove and presses against the bullet-assisted cover of the bullet-assisted device so as to drive the spring of the bullet-assisted device to store energy.

8. The planar lock of claim 7, wherein: the elastic assisting device is arranged at a position corresponding to the protruding part on the handle.