Search

CN-224228420-U - Tensile-resistant beam structure capable of internally lengthening lock cylinder and internally lengthening lock cylinder

CN224228420UCN 224228420 UCN224228420 UCN 224228420UCN-224228420-U

Abstract

The utility model relates to a tensile resistance's of extension lock core crossbeam structure in can, including the crossbeam and can dismantle the lock shell of connecting in the crossbeam both sides, the crossbeam is integrated into one piece preparation and forms, the crossbeam includes center pillar and symmetry setting up in the spliced pole at center pillar both ends, the lock shell includes connecting portion, set up the connecting hole that supplies the spliced pole to penetrate on the connecting portion, be provided with the recess of mutual symmetry on the spliced pole at both ends, install the connecting piece that is used for with the recess joint on the lock shell, pass through the connecting piece joint on the recess after the spliced pole penetrates the connecting hole, the center pillar is connected fixedly with connecting portion through fastener. According to the scheme, the cross beam formed integrally is arranged, so that the overall strength of the cross beam connected with the lock shell and the tensile resistance of the cross beam are improved. The clamping fit of the groove and the connecting piece is combined with the fastening device to form double stable connection, so that tensile resistance and torsion resistance are guaranteed, and convenient disassembly and assembly are realized. The scheme also provides the internally lengthened lock cylinder with the tensile-resistant beam structure.

Inventors

  • WANG LIANGLIANG
  • ZENG XIONGFEI
  • Xu nanhai

Assignees

  • 中山市基信锁芯有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (9)

  1. 1. The utility model provides a tensile-resistant beam structure of lock core can add in, its characterized in that includes crossbeam (1) and can dismantle lock shell (2) of connecting in crossbeam (1) both sides, crossbeam (1) are integrated into one piece preparation and form, crossbeam (1) include center pillar (11) and symmetry set up connecting column (12) at center pillar (11) both ends, lock shell (2) include connecting portion (21), connecting portion (21) are seted up connecting hole (211) that supply connecting column (12) to penetrate, both ends be provided with recess (121) of mutual symmetry on connecting column (12), install connecting piece (3) that are used for with recess (121) joint on lock shell (2), connecting column (12) pass through connecting piece (3) joint on recess (121) after penetrating connecting hole (211), center pillar (11) are connected fixedly with connecting portion (21) through fastener.
  2. 2. The beam structure capable of internally lengthening the tensile strength of the lock cylinder as recited in claim 1, wherein the connecting piece (3) is a clamp spring, the groove (121) is a first annular groove which is arranged on the connecting column (12) in a circumferential inward concave manner, and the connecting part (21) is provided with a through hole (214) for the clamp spring to pass through.
  3. 3. The transverse beam structure capable of internally lengthening the tensile strength of the lock cylinder as claimed in claim 1, wherein the connecting part (21) is provided with a mounting hole (212) which transversely penetrates through the connecting part (21), the mounting hole (212) is communicated with the connecting hole (211), the connecting piece (3) is a pin which is arranged in the mounting hole (212), the middle part of the pin is provided with a second annular groove (31) in a circumferential inward concave manner, and a hooking part (122) which is used for hooking with the second annular groove (31) is formed between the connecting column (12) and the groove (121).
  4. 4. The beam structure capable of internally lengthening the tensile strength of a lock cylinder as claimed in claim 3, wherein the groove (121) is a claw-shaped groove, the groove (121) comprises a first rectangular groove (1211) arranged in the middle and an arc-shaped groove (1212) communicated with the first rectangular groove (1211), the arc-shaped groove (1212) extends upwards along two sides of the first rectangular groove (1211) and is symmetrically arranged with the hooking part (122) as a center, and the arc-shaped grooves (1212) on two sides are upwards along the first rectangular groove (1211) and outwards bent into a claw shape along two sides of the hooking part (122).
  5. 5. A tensile-resistant cross beam structure of an internally lengthened lock cylinder as claimed in claim 3, wherein a notch (123) is formed at the end of the connecting column (12), the notch (123) passes through the first rectangular groove (1211) upwards along the end of the connecting column (12) and extends to the lower end of the arc-shaped groove (1212) at one side of the groove (121), the notch (123) divides the arc-shaped groove (1212) at one side and the first rectangular groove (1211) into an arc-shaped groove (1212) and a second rectangular groove (1213) which are not communicated with each other, the second rectangular groove (1213) is communicated with the arc-shaped groove (1212) at the other side, and the cross section of the second rectangular groove (1213) is smaller than that of the first rectangular groove (1211).
  6. 6. The structure of a tensile-resistant beam of an internally lengthened lock cylinder according to claim 1, wherein the connecting portion (21) is provided with a mounting hole (212) penetrating through the connecting portion (21) transversely, the mounting hole (212) is communicated with the connecting hole (211), the connecting piece (3) is a pin mounted in the mounting hole (212), the groove (121) is rectangular, the pin is clamped in the groove (121), the end part of the connecting column (12) is provided with a notch (123), and the notch (123) extends to a groove wall surface (1214) at the upper end of the groove (121) after upwards penetrating through the groove (121) along the end part of the connecting column (12).
  7. 7. The cross beam structure capable of internally lengthening a lock cylinder according to any one of claims 1 to 6, wherein the fastening means comprises a bolt (4), a first screw hole (111) formed in the center pillar (11), and a second screw hole (213) formed at the lower end of the connecting portion (21) corresponding to the first screw hole (111), and the bolt (4) is threaded into the second screw hole (213) from the first screw hole (111).
  8. 8. The lock cylinder capable of being lengthened internally comprises the tensile-resistant beam structure of the lock cylinder capable of being lengthened internally, and is characterized in that a lock liner (5) is arranged in a lock shell (2), a shifting sleeve (6) is connected between the lock liners (5) at two sides, and a concave plane (112) for avoiding the shifting sleeve (6) during rotation is arranged on a middle column (11).
  9. 9. The lock cylinder capable of being lengthened internally as claimed in claim 8, wherein at least one lock case extension piece (7) is connected between two lock cases (2), an inner concave cambered surface (71) is arranged at the upper end of the lock case extension piece (7), the upper end of the lock case extension piece (7) is abutted to the middle post (11) through the inner concave cambered surface (71), one side of the lock case extension piece (7) is fixedly connected with the inner side of the lock case (2) through a screw in a threaded manner, and the other side of the lock case extension piece is connected with the shifting sleeve (6).

Description

Tensile-resistant beam structure capable of internally lengthening lock cylinder and internally lengthening lock cylinder Technical Field The utility model relates to the field of locks, in particular to a tensile-resistant beam structure capable of internally lengthening a lock cylinder and the lock cylinder capable of internally lengthening. Background At present, when a lock cylinder is installed on a door, the length of the lock cylinder and the thickness of the door cannot be matched due to the fact that the thicknesses of the doors are different, so that the lock cylinder cannot be installed correctly. In order to solve the problem, a lock cylinder capable of being lengthened is appeared on the market, and the lengthened lock cylinder is divided into an internally lengthened lock cylinder and an externally lengthened lock cylinder. The outer lengthened lock cylinder is lengthened directly from two ends of the original lock cylinder, and the inner lengthened lock cylinder is generally lengthened between the shifting sleeve and the original lock shell. In the internal lengthening lock cylinder, the cross beam plays an important role, so that on one hand, the stability of the whole structure of the lengthened lock cylinder needs to be ensured, a certain tensile force needs to be ensured, the convenience of disassembly and assembly in the lengthening process needs to be considered, and the safety of the whole lengthened lock cylinder needs to be considered. The patent application number is 2021110026309, the application publication number is 2021.11.23, the name is a lock cylinder structure capable of being lengthened, the lock cylinder structure capable of being lengthened is disclosed, the lock cylinder structure capable of being lengthened is specifically disclosed, the lock cylinder structure comprises a beam assembly and a lock shell assembly arranged on the beam assembly, the beam assembly comprises a beam middle part, a beam outer part detachably connected with one end of the beam middle part and a beam inner part detachably connected with the other end of the beam middle part, the lock shell assembly comprises an outer lock shell arranged on the beam outer part and an inner lock shell arranged on the beam inner part, an outer lock liner is arranged in the outer lock shell, an inner lock liner is arranged in the inner lock shell, the lower end of the beam middle part is provided with a pulling member in linkage with the outer lock liner and the inner lock liner, the lock cylinder structure is characterized in that the beam middle part and the beam outer part and/or the beam middle part and the beam inner part are additionally provided with a beam pulling member in a detachable connection mode, the pulling member and/or the pulling member and the outer lock shell are/is provided with a lengthening shell corresponding to the beam inner member and the pulling member, the outer lock shell is provided with the inner liner, and the inner liner is linked with one end of the inner liner or the inner liner. The beam assembly disclosed in the prior art is formed by assembling a plurality of parts such as a beam middle part, a beam outer part, a beam inner part, a beam extension part and the like, and then is connected through the pin shafts among the parts, so that the assembly and disassembly are relatively troublesome, the parts are not tightly connected, the tensile resistance is relatively low, and the joints among the parts and the pin shafts are easily broken by using tools by illegal parts. Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art. Disclosure of utility model The utility model overcomes the defects of the technology and provides a tensile-resistant beam structure capable of internally lengthening the lock cylinder and the lock cylinder capable of internally lengthening. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a tensile resistance's of extension lock core crossbeam structure in can, includes the crossbeam and can dismantle the lock shell of connecting in the crossbeam both sides, the crossbeam is integrated into one piece preparation forms, the crossbeam includes center pillar and symmetry setting in the spliced pole at center pillar both ends, the lock shell includes connecting portion, set up the connecting hole that supplies the spliced pole to penetrate on the connecting portion, both ends be provided with the recess of mutual symmetry on the spliced pole, install the connecting piece that is used for with the recess joint on the lock shell, pass through the connecting piece joint on the recess after the spliced pole penetrates the connecting hole, the center pillar is connected fixedly with connecting portion through fastener. Further, the connecting piece is a clamp spring, the groove is a first annular groove which