Spring mechanism

Abstract

The utility model discloses a spring mechanism, which relates to the technical field of spring mechanisms, and comprises a shell, a lock cylinder, a lock cylinder, a lock cylinder, a lock cylinder, a lock cylinder, a lock cylinder, a lock cylinder, a lock cylinder and a lock cylinder, the lock cylinder assembly is mounted in the lock cylinder shell; the sliding assembly is mounted in the lock cylinder shell; the driving plate is used for fixing the end part of the sliding assembly, and an inclined surface is arranged on one side of the driving plate; according to the utility model, the driving plate slides to drive the inclined plane to relieve the extrusion to the spring bolt assembly, so that the spring bolt assembly slides to unlock, and when the driving plate resets, the spring bolt assembly is extruded to be separated from the inclined plane and contacted with the plane of the driving plate, so that the spring bolt assembly is extruded out and locked; the spring bolt assembly cannot slide when subjected to external force, the door is limited when opened, and the situation that the door is closed under the action of the external force and is locked by the spring bolt assembly is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring mechanism technical field especially is related to a spring mechanism. BACKGROUND

[0002] In order to give consideration to convenient use and high security, the door lock is usually provided with two sets of latch assemblies, one set selects a latch and the other set selects a square tongue, the latch can always be outside the lock body through the spring, and the square tongue only extends to the outside of the lock body when locking the door. Correspondingly, a linkage mechanism capable of simultaneously controlling the two sets of latch assemblies needs to be arranged in the lock body, so as to realize the locking and unlocking.

[0003] The spring lock body is a common lock structure, which utilizes the elasticity of the spring to realize the function of locking and unlocking the cabinet door of the intelligent storage cabinet. Since the spring lock body has elasticity, it will be compressed under the action of external force, and the user is easy to cause the cabinet door to be locked by the spring lock body when closing the door with great force. UTILITY MODEL CONTENTS

[0004] The utility model provides a spring mechanism to solve the problem that the door is locked by the spring lock body in the prior art due to the elasticity of the spring lock body, which is compressed under the action of external force, and the door is easily locked by the spring lock body after the resident leaves the house, closes the door with great force or under the influence of strong wind.

[0005] The technical problem solved by the utility model is realized by the following technical scheme:

[0006] A spring mechanism comprises:

[0007] A housing is provided with a receiving groove on one side, and a lock cylinder housing is fixedly installed inside the housing;

[0008] A lock cylinder assembly is installed inside the lock cylinder housing;

[0009] A sliding assembly is installed inside the lock cylinder housing;

[0010] A driving plate is fixed to the end of the sliding assembly, and an inclined surface is arranged on one side of the driving plate;

[0011] A latch assembly is installed inside the receiving groove and in contact with the inclined surface;

[0012] A handle assembly is fixed to the other end of the driving plate and extends to the outside of the housing;

[0013] A first compression spring is installed inside the lock cylinder housing and compresses the force storage when the sliding assembly slides.

[0014] Optionally, the sliding assembly comprises:

[0015] A polygon sleeve is slidingly installed in the interior of the lock cylinder housing;

[0016] A spiral guide groove is formed on the exterior of the polygon sleeve;

[0017] A driving head is fixed in the interior of the lock cylinder housing and is adapted to the spiral guide groove.

[0018] Optionally, one end of the driving plate is fixedly installed with an extension rod connected with the polygon sleeve, and the other end of the driving plate is fixedly installed with a ball screw.

[0019] Optionally, a latch rod is slidingly installed through the receiving groove;

[0020] A first ball is rotatably installed at the end of the latch rod and is in contact with the inclined surface;

[0021] A second compression spring is fixedly connected with the inner wall of the receiving groove and the latch rod at two ends.

[0022] Optionally, the lock cylinder assembly comprises:

[0023] A first handle is inserted into the interior of the housing;

[0024] A polygon insertion column is fixed on the first handle and is inserted into the interior of the polygon sleeve.

[0025] Optionally, the handle assembly comprises:

[0026] A second handle is installed on the interior of the housing and is sleeved on the exterior of the ball screw;

[0027] A second ball is rotatably installed in the interior of the second handle and is slidingly installed along the ball screw.

[0028] Optionally, one end of the first compression spring is fixedly installed with a positioning ring fixed at the opening of the lock cylinder housing, and the other end of the first compression spring is fixedly installed with a backing plate in contact with the polygon sleeve.

[0029] The utility model has the beneficial effects that:

[0030] The sliding of the driving plate drives the inclined surface to release the extrusion on the latch assembly, so that the latch assembly is slidingly unlocked, and when the driving plate is reset, the latch assembly is extruded to be separated from the inclined surface and is in contact with the plane of the driving plate, so that the latch assembly is extruded out and is locked, and when the latch assembly is subjected to external force, it will not slide, and when the door is opened, the door is limited, so that the door is not locked by the latch assembly under the action of external force. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical means, creative features, purposes and effects realized by the utility model, the following will briefly introduce the drawings needed in the description of the embodiments or prior art. Obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0032] Figure 1 It is a structural schematic diagram of the utility model;

[0033] Figure 2 It is a structural schematic diagram of the lock cylinder assembly of the utility model;

[0034] Figure 3 It is a structural schematic diagram of the lock bolt assembly of the utility model;

[0035] Figure 4 It is a structural schematic diagram of the sliding assembly of the utility model;

[0036] Figure 5 It is a structural schematic diagram of the handle assembly of the utility model.

[0037] In the drawings: 100, shell; 110, storage groove; 120, lock cylinder shell;

[0038] 200, lock cylinder assembly; 210, first handle; 220, polygonal insertion column;

[0039] 300, sliding assembly; 310, polygonal sleeve; 320, spiral guide groove; 330, driving head;

[0040] 400, driving plate; 410, inclined surface; 420, extension rod; 430, ball screw;

[0041] 500, lock bolt assembly; 510, lock bolt rod; 520, first ball; 530, second compression spring;

[0042] 600, handle assembly; 610, second handle; 620, second ball;

[0043] 700, first compression spring; 710, positioning ring; 720, backing plate. DETAILED DESCRIPTION

[0044] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the following will further describe the utility model in combination with specific drawings.

[0045] Referring to Figures 1-5 A spring mechanism, comprising:

[0046] The shell 100 is provided with a receiving groove 110 on one side, and a lock cylinder housing 120 is fixedly installed inside the shell 100.

[0047] The lock cylinder assembly 200 is installed inside the lock cylinder housing 120.

[0048] The sliding assembly 300 is installed inside the lock cylinder housing 120.

[0049] The driving plate 400 fixes the end of the sliding assembly 300, and one side of the driving plate 400 is provided with an inclined surface 410.

[0050] The latch assembly 500 is installed inside the receiving groove 110 and in contact with the inclined surface 410.

[0051] The handle assembly 600 is fixed to the other end of the driving plate 400 and extends to the outside of the shell 100.

[0052] The first compression spring 700 is installed inside the lock cylinder housing 120 and compresses the force when the sliding assembly 300 slides.

[0053] When in use, the key is inserted into the inside of the lock cylinder assembly 200, so that the lock cylinder assembly 200 can rotate normally, and when the lock cylinder assembly 200 rotates, the sliding assembly 300 is driven to rotate and slide along the lock cylinder housing 120, and when sliding, the first compression spring 700 is compressed to store energy, and the driving plate 400 is pushed to slide, so that the elastic force of the latch assembly 500 is released, and the sliding assembly 300 slides into the inside of the inclined surface 410, and the door is unlocked.

[0054] When the door is locked, the key is pulled out and the restriction on the lock cylinder assembly 200 is released, the elastic force of the first compression spring 700 is released, and the sliding assembly 300 is pushed to reset, and the driving plate 400 and the inclined surface 410 are pressed against the latch assembly 500, and the latch assembly 500 is pushed to store energy, and the door is locked.

[0055] The sliding of the driving plate 400 drives the inclined surface 410 to release the pressure on the latch assembly 500, so that the latch assembly 500 slides to unlock, and when the driving plate 400 resets, the latch assembly 500 is pressed to separate from the inclined surface 410 and contact the plane of the driving plate 400, so that the latch assembly 500 is pressed out and locked, and when the latch assembly 500 is subjected to external force, it will not slide, and when the door is opened, the door is restricted to avoid being locked by the latch assembly 500 under the action of external force.

[0056] The adjustment of the locking and unlocking functions of the lock bolt assembly 500 is realized by compression of the first compression spring 700 and the lock bolt assembly 500.

[0057] In some embodiments of the utility model, in order to drive the adjustment of the locking and unlocking functions of the lock bolt assembly 500, referring to Figure 4 As shown in the figure, the sliding assembly 300 comprises:

[0058] The polygon sleeve 310 is slidably installed in the inside of the lock cylinder housing 120.

[0059] The spiral guide groove 320 is formed on the outside of the polygon sleeve 310, and the spiral guide groove 320 is provided with a vertical part.

[0060] The driving head 330 is fixed in the inside of the lock cylinder housing 120 and is matched with the spiral guide groove 320, and the driving head 330 is located at the communication position of the spiral part and the vertical part of the spiral guide groove 320 in the initial stage.

[0061] The polygon sleeve 310 is driven to rotate synchronously when the lock cylinder assembly 200 rotates.

[0062] The polygon sleeve 310 is driven to slide when the polygon sleeve 310 rotates relative to the lock cylinder housing 120, and the position of the polygon sleeve 310 is adjusted through the matching of the spiral guide groove 320 and the driving head 330.

[0063] In some embodiments of the utility model, in order to drive the driving plate 400 to move, referring to Figure 2 and Figure 3 As shown in the figure, one end of the driving plate 400 is fixedly installed with the extension rod 420 which is rotationally connected with the polygon sleeve 310, and the other end of the driving plate 400 is fixedly installed with the ball screw 430.

[0064] The driving plate 400 is fixed on the polygon sleeve 310 through the extension rod 420, so that the polygon sleeve 310 drives the driving plate 400 to move to press the lock bolt assembly 500 in the sliding process.

[0065] The driving plate 400 is driven to move when the handle assembly 600 rotates through the matching of the ball screw 430.

[0066] In some embodiments of the utility model, in order to realize the locking and unlocking functions, referring to Figure 2 and Figure 3 As shown in the figure, the lock bolt assembly 500 comprises:

[0067] The lock bolt rod 510 is slidably inserted into the accommodating groove 110.

[0068] The first ball 520 is rotatably installed at the end of the bolt bar 510 and is in contact with the inclined surface 410, and the side surface of the driving plate 400 is provided with a limiting protrusion, which can prevent the first ball 520 from being separated from the driving plate 400.

[0069] The second compression spring 530 is fixedly connected with the inner wall of the accommodating groove 110 and the bolt bar 510 at both ends, is extruded and compressed when the bolt bar 510 moves outward, and the elastic force of the second compression spring 530 is smaller than the elastic force of the first compression spring 700.

[0070] The bolt bar 510 is arranged to be inserted into the door frame to fix the door plate.

[0071] The first ball 520 is arranged to reduce the friction of the driving plate 400 when moving, and the first ball 520 is pushed to move and adjust the length of the bolt bar 510 under the extrusion of the inclined surface 410.

[0072] The second compression spring 530 is arranged to push the bolt bar 510 to be retracted into the accommodating groove 110 when the first ball 520 moves to the inclined surface 410.

[0073] In some embodiments of the present application, as shown in Figure 2 and Figure 3 The lock cylinder assembly 200 comprises:

[0074] The first handle 210 is inserted into the inside of the shell 100, and the first handle 210 is matched with the lock cylinder shell 120 and is limited by the lock cylinder shell 120, and the limitation is released after the key is inserted.

[0075] The polygonal plug column 220 is fixed on the first handle 210 and is inserted into the inside of the polygonal sleeve 310.

[0076] The first handle 210 is arranged to drive the polygonal sleeve 310 to slide through the polygonal plug column 220 when rotating, and the maximum sliding distance of the polygonal sleeve 310 is smaller than the insertion length of the polygonal plug column 220.

[0077] In some embodiments of the present application, in order to open the door from the inside, as shown in Figure 5 The handle assembly 600 comprises:

[0078] The second handle 610 is installed on the inside of the shell 100 and is sleeved on the outside of the ball screw 430.

[0079] The second ball 620 is rotatably installed in the inside of the second handle 610 and slides along the ball screw 430.

[0080] Wherein, the friction with the ball screw 430 is reduced by the setting of the second ball 620, and the ball screw is a structure for converting rotary motion into linear motion or converting linear motion into rotary motion, which can drive the second handle 610 to rotate when the ball screw 430 slides, and drive the ball screw 430 to slide when the second handle 610 rotates.

[0081] In some embodiments of the utility model, in order to guarantee the normal installation and use of first compression spring 700, refer to Figure 4 As shown in the figure, one end of first compression spring 700 is fixedly installed with positioning ring 710 fixed at the opening of lock cylinder housing 120, and the other end of first compression spring 700 is fixedly installed with pad plate 720 in contact with polygonal sleeve 310.

[0082] Wherein, the installation of first compression spring 700 is guaranteed by the setting of positioning ring 710, and the rotation of polygonal sleeve 310 is avoided by the setting of pad plate 720.

[0083] The working method of the utility model:

[0084] When opening the door, insert the key into the inside of first handle 210, so that first handle 210 can rotate normally, and when the rotating force is applied to first handle 210, first handle 210 will drive polygonal sleeve 310 to rotate through polygonal plug post 220, so that polygonal sleeve 310 moves under the driving of helical guide groove 320 and driving head 330, and compresses first compression spring 700 when sliding, so that first compression spring 700 is compressed and stored, and polygonal sleeve 310 pushes driving plate 400 to slide through extension rod 420, so that first ball 520 contacts with inclined surface 410, and the elastic force of second compression spring 530 is released, so that second compression spring 530 pushes bolt lever 510 to move and enter into the inside of storage groove 110, and then the door can be opened.

[0085] When opening the door from the inside, the rotating force is applied to second handle 610, so that second handle 610 pushes ball screw 430 to slide when rotating, so that ball screw 430 pushes driving plate 400 to slide, so that first ball 520 contacts with inclined surface 410, bolt lever 510 moves and enters into the inside of storage groove 110, and polygonal sleeve 310 is also pushed to move and stretch first compression spring 700 when driving plate 400 slides.

[0086] When the door is locked, the key is pulled out, the restriction on the lock core assembly 200 is released, the elastic force of the first compression spring 700 is released, the polygon sleeve 310 is reset, the polygon sleeve 310 pulls the driving plate 400 to move, the inclined surface 410 extrudes the first ball 520, the lock bolt 510 is stretched out under the pushing of the first ball 520 to lock the door, and the second compression spring 530 is extruded and compressed to store the force.

[0087] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A spring mechanism, characterized in that, include: A housing (100) has a storage groove (110) on one side, and a lock cylinder housing (120) is fixedly installed inside the housing (100). A lock cylinder assembly (200) is installed inside a lock cylinder housing (120); A sliding assembly (300) is installed inside the lock cylinder housing (120); A drive plate (400) is fixed to the end of the sliding assembly (300), and an inclined surface (410) is provided on one side of the drive plate (400). A latch assembly (500) is installed inside the receiving slot (110) and contacts the inclined surface (410); A handle assembly (600) is fixed to the other end of the drive plate (400) and extends to the outside of the housing (100); The first compression spring (700) is installed inside the lock cylinder housing (120) and compresses and stores force when the sliding assembly (300) slides.

2. The spring mechanism according to claim 1, characterized in that: The sliding component (300) includes: A polygonal sleeve (310) is slidably mounted inside the lock cylinder housing (120); A spiral guide groove (320) is formed on the outside of the polygonal sleeve (310); A drive head (330) is fixed inside the lock cylinder housing (120) and is adapted to the spiral guide groove (320).

3. A spring mechanism according to claim 2, characterized in that: One end of the drive plate (400) is fixedly mounted with an extension rod (420) connected to the polygonal sleeve (310), and the other end of the drive plate (400) is fixedly mounted with a ball screw (430).

4. A spring mechanism according to claim 3, characterized in that: The latch assembly (500) includes: Locking tongue (510), which slides through the receiving groove (110); The first ball (520) is rotatably mounted on the end of the latch bar (510) and contacts the inclined surface (410); The second compression spring (530) has its two ends fixedly connected to the inner wall of the storage groove (110) and the locking tongue rod (510), respectively.

5. A spring mechanism according to claim 2, characterized in that: The lock cylinder assembly (200) includes: A first handle (210) is inserted into the interior of the housing (100); A polygonal insert (220) is fixed to the first handle (210) and inserted into the interior of the polygonal sleeve (310).

6. A spring mechanism according to claim 3, characterized in that: The handle assembly (600) includes: The second handle (610) is installed inside the housing (100) and sleeved on the outside of the ball screw (430); The second ball (620) is rotatably mounted inside the second handle (610) and slides along the ball screw (430).

7. A spring mechanism according to claim 2, characterized in that: One end of the first compression spring (700) is fixedly installed with a positioning ring (710) fixed at the opening of the lock cylinder housing (120), and the other end of the first compression spring (700) is fixedly installed with a pad (720) that contacts the polygonal sleeve (310).

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