Buffer structure of spring bolt of lock

A buffer structure and lock body technology, which is applied in building locks, building construction, construction, etc., can solve problems such as component damage, affecting service life, and noise pollution

Pending Publication Date: 2019-12-17

GUANGDONG MINGMEN LOCKS IND

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AI-Extracted Technical Summary

Problems solved by technology

[0002] Most of the lock bodies on the market now perform the door opening action, and the deadbolt pops out quickly without any buffer structure. It hits t...

Abstract

The invention relates to the field of door locks, in particular to a buffer structure of a spring bolt of a lock. The buffer structure comprises a box bottom assembly and a lock upper cover and is characterized in that the box bottom assembly comprises a latch bolt assembly, a latch bolt stirring assembly, a damper and a box. The latch bolt assembly comprises a latch bolt, a latch bolt pull rod, alatch bolt spring, a gasket and a stirring block; the latch bolt stirring assembly comprises a latch bolt stirrer and a latch bolt stirring reset spring, an upper swing arm is arranged on the upper portion of the latch bolt stirrer, and a lower swing arm is arranged on the lower portion of the latch bolt stirrer; the latch bolt, the damper and the latch bolt stirrer are fixed in the box, the upper swing arm of the latch bolt stirrer abuts against the stirring block, and the lower swing arm of the latch bolt stirrer is connected with the damper. According to the buffer structure, the noise pollution in the door opening process through the lock is reduced, and the service life of the lock is prolonged.

Application Domain

Building locks

Technology Topic

Shock absorber

Image

Examples

Experimental program(1)

Example Embodiment

[0015] A lock body and bolt buffer structure, comprising a box bottom assembly 1 and a lock body upper cover 2, characterized in that: the box bottom assembly 1 includes a tilt tongue assembly 11, a tilt tongue peach assembly 12, a damper 13 and a box body 14. The diagonal tongue assembly 11 includes a diagonal tongue 111, a diagonal tongue pull rod 112, a diagonal tongue spring 113, a washer 114, and a shift block 115. Both ends of the shift block 115 are provided with sliders 1151; 12 includes a slanting tongue poke 121 and a slanting tongue peach return spring 122. The upper part of the slanting tongue peach is provided with an upper swing arm 1211, the middle part is provided with a slanting tongue peach fixing hole 1214, and the lower part is provided with a lower swing arm 1212. The lower swing arm 1212 is provided with an oblique tongue peach pin hole 12121; the damper 13 is provided with a damper fixing hole 131 on the left side, a piston rod 132 is provided on the right side, and a damper pin hole 1321 is provided on the right side of the piston rod 132 The middle part of the box body 14 is provided with a diagonal tongue peach stud 144, a damper column nail 143 and a damper slot 142, the upper part of the box body 14 is provided with a baffle 141 and a sliding groove 145; the diagonal tongue pull rod 112 is embedded In the inclined tongue spring 113 and the washer 114, the left side of the inclined tongue pull rod 112 is connected to the inclined tongue 111, the right side of the inclined tongue pull rod 112 is clamped into the baffle 114, and the washer 114 and the baffle 141 abut; The sliding block 1151 on the side of the shift block 115 is embedded in the sliding groove 145; the damper 13 is embedded in the damper slot 142, and a fastening screw 15 is set to pass through the damper fixing hole 131 and the damper stud 143, and the damper One side of the device 13 is fixed in the box body 14; the inclined tongue poke 121 is provided with a stepped column 1213, and the inclined tongue poke return spring 122 is fixed on the stepped column 1213; the upper swing arm 1211 and the shift block 115 abut , The slanting tongue peach fixing hole 1214 and the slanting tongue peach stud 144 cooperate to fix the slanting tongue peach 121 in the box body 14. A connecting pin 16 is inserted into the slanting tongue peach pin hole 12121 and the other side is inserted In the damper pin hole 1321, the slanting tongue dial 121 and the damper 13 are connected.

[0016] When the door is opened, clockwise torsion is applied to the tilt tongue dial 121. The tilt tongue dial 121 rotates clockwise under the torsion force. The upper swing arm 1211 slides the dial block 115 to the right in the sliding groove 145 to drive the tilt tongue. The pull rod 112 and the inclined tongue 111 slide to the right, the inclined tongue spring 113 is compressed under the action of the baffle 141 and the washer 114, and the inclined tongue reset spring 122 at the bottom of the inclined tongue dial 121 rotates to generate a pre-tightening force. The arm 1212 drives the piston rod 132 to compress into the damper 13 to complete the action of retracting the inclined tongue 111 to open the door.

[0017] When closing the door, the torsion force applied to the slanting tongue dial 121 is cancelled, the slanting tongue dial return spring 122 releases the pre-compressed elastic force, and the slanting tongue dial 121 rotates counterclockwise under the action of the elastic force. Under the action of the damper 13, The inclined tongue dial 121 can only move slowly counterclockwise, the upper swing arm 1211 gradually releases the pressure on the dial block 115, the inclined tongue spring 113 rebounds, and the inclined tongue 111 and the inclined tongue pull rod 112 follow the movement of the inclined tongue dial 121. Pop out slowly to complete the closing action. Through this movement, the effect of the bolt popping out slowly can be achieved.

[0018] The invention reduces the noise pollution during the door opening process of the lock body and prolongs the service life of the lock body.

PUM

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