CN211950017U

CN211950017U - Anti-misopening seven-angle compression anti-loosening lock

Info

Publication number: CN211950017U
Application number: CN201922428793.8U
Authority: CN
Inventors: 王永琴; 秦思刚; 张磊
Original assignee: Qingdao Hongyuji Track Traffic Equipment Co ltd
Current assignee: Qingdao Hongyuji Track Traffic Equipment Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-17
Anticipated expiration: 2029-12-30

Abstract

The utility model provides an anti-misopening heptagonal compression anti-loosening lock, including lock body, heptagonal lock core, locking lever and spring bolt, the lock body passes through hexagon nut I to be fixed on the door plant, the inboard front end of lock body is equipped with the locating piece, be equipped with the circlip between locating piece and the lock body, heptagonal lock core front end is positive heptagonal prism, and the rear end is cylindrical, be equipped with spring I on the heptagonal lock core, the part that heptagonal lock core one end is connected with the lock body is equipped with the retaining ring, the rear end of heptagonal lock core with the locking lever is connected through the guide post; the other end of the lock rod is connected with the lock tongue, a compression spring II is sleeved on the lock rod, and the outer side of the lock tongue is fixed by a hexagon nut II. The utility model provides a prevent that open by mistake heptagonal compresses tightly locking lock simple structure, convenient operation, can reach the fixed effect of locking. The utility model provides a prevent that open by mistake heptagon compresses tightly prevents that pine locks uses the heptagon key to open, and the key must be inserted to the end, just can rotate the lock core, opens the tool to lock, and the security performance is high.

Description

Anti-misopening seven-angle compression anti-loosening lock

Technical Field

The utility model belongs to the technical field of the tool to lock, concretely relates to prevent that open by mistake heptagonal compresses tightly prevents that pine locks.

Background

The continuous development of global high-speed rail technology drives the development of economy and facilitates the trip of passengers. High-speed rails are gradually gaining multi-national acceptance due to the superiorities of rapidness, environmental protection, comfort and the like, and world railways are entering a new era characterized by high-speed rails. However, many high-speed rail derailment events occurring around the world, each time a few hundred thousand people die, also let us sigh the wrist. The safety responsibility is higher than that of Taishan mountain, in order to avoid accidents, various host factories take tests on a plurality of key technical indexes, and each lockset, such as vibration, looseness prevention, fatigue, stress, electromagnetic compatibility and the like, needs to be checked layer by layer and screened in multiple stages, and can be distinguished only if the performance of the plurality of indexes is optimal.

With the continuous speed increase of the train to 200 kilometers, 300 kilometers or even higher, the interior decoration of the high-speed motor train unit is attractive in appearance, light, firm in structure, long in service life and easy to overhaul. The dividing walls on two sides inside the carriage have the functions of shielding and protecting lines in the carriage. In the process of high-speed running of a train, the dividing walls are required to be tightly attached, shaking abnormal sound cannot occur, and the anti-misopening seven-angle compression anti-loosening lock is required to meet the requirements of maintenance and use.

Disclosure of Invention

The utility model aims at providing an use the seven angles of preventing that open by mistake on high-speed train specially and compress tightly the anti-loose lock, solve high-speed EMUs along with constantly speed-up and the higher requirement of proposing to the internal lock.

In order to achieve the above object, the present invention provides the following technical solutions;

the anti-false-unlocking heptagonal compression anti-loosening lock comprises a lock body, a heptagonal lock cylinder, a lock rod and a lock tongue, wherein the lock body is fixed on a door plate through a hexagon nut I, a positioning block is arranged at the front end of the inner side of the lock body, an elastic check ring is arranged between the positioning block and the lock body, the positioning block is clamped on the lock body through the elastic check ring, a pressing block is arranged between the lock body and the heptagonal lock cylinder, a spring II is arranged in the pressing block, and a compression spring I is arranged between the heptagonal lock cylinder and; the front end of the heptagonal lock cylinder is a regular heptagonal prism, the rear end of the heptagonal lock cylinder is cylindrical, a spring I is arranged on the heptagonal lock cylinder, a retainer ring is arranged at the part of one end of the heptagonal lock cylinder, which is connected with the lock body, and the rear end of the heptagonal lock cylinder is connected with the lock rod through a guide post; the other end of the lock rod is connected with the lock tongue, a compression spring II is sleeved on the lock rod, and the outer side of the lock tongue is fixed by a hexagon nut II.

Furthermore, the inner ring of the pressing block is matched with the front end of the heptagonal lock cylinder, and the outer ring of the pressing block is provided with a bulge matched with the groove of the lock body.

Further, the number of the protrusions is 4.

Furthermore, an internal tooth locking washer II is arranged between the lock tongue and the hexagon nut II.

Further, the number of the grooves of the lock body is 4.

Furthermore, an internal tooth locking washer I is arranged between the hexagonal nut I and the door plate.

Furthermore, an O-shaped ring is arranged between the heptagonal lock cylinder and the lock body.

Compared with the prior art, the utility model discloses an advantage and beneficial effect do: the utility model provides an anti-false unlocking heptagonal compression anti-loose lock, which is unlocked by rotating a heptagonal lock cylinder by a key through adjusting the position of a press block connected with the heptagonal lock cylinder; the lock body is provided with a positioning block and an elastic check ring, and the pressing block can be ensured to be automatically popped out through a spring II in the pressing block. The outside of the lock tongue is fixed by a hexagon nut II, the locking distance range is large, and the applicability is wide. The utility model provides a prevent that open by mistake heptagonal compresses tightly locking lock simple structure, convenient operation, can reach the fixed effect of locking. The utility model provides a prevent that open by mistake heptagon compresses tightly prevents that pine locks uses the heptagon key to open, and the key must be inserted to the end, just can rotate the lock core, opens the tool to lock, and the security performance is high.

Drawings

FIG. 1 is a schematic side view of a seven-angle compression anti-loosening lock;

FIG. 2 is a schematic view of the anti-false-unlocking seven-angle compression anti-loose lock in front view;

FIG. 3 is a schematic view of the structure A in FIG. 1;

the novel lock comprises a lock body 1, a lock body 2, a seven-angle lock cylinder 3, a lock rod 4, a lock tongue 5, a guide column 6, a spring I, a spring ring 7, a check ring 8, a hexagon nut I, a hexagon nut 9, an O-shaped ring 10, a hexagon nut II, a hexagon nut 11, an internal tooth locking washer I, a internal tooth locking washer II, an internal tooth locking washer 13, a pressing block 14, a positioning block 15, a compression spring I, a compression spring 16, an elastic check ring 17 and a compression spring II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The embodiment provides a seven-corner compression anti-loosening lock capable of preventing mistaken unlocking, which comprises a lock body 1, a seven-corner lock cylinder 2, a lock rod 3 and a lock tongue 4.

The front end of the heptagonal lock core 2 is a regular heptagonal prism, and the rear end is cylindrical. And a spring I6 is arranged on the seven-angle lock cylinder 2. The rear end of the heptagonal lock cylinder 2 is connected with the lock rod 3 through a guide post 5. The part that seven angle lock core 2 one end is connected with lock body 1 is equipped with retaining ring 7 for carry on spacingly to seven angle lock core 2, the other end of locking lever 3 is connected with spring bolt 4. The locking rod 3 is sleeved with the compression spring II 17, the outer surface of the bolt 4 is fixed by a hexagon nut II 10, an internal tooth locking washer II 12 is arranged between the bolt 4 and the hexagon nut II 10, the locking distance range is large by using the hexagon nut II 10, and the applicability is wide.

Hexagonal nut I8 is installed on the external screw thread of lock body 1 for fix lock body 1 on the door plant. Internal tooth lock washer I11 is installed between hexagon nut I and door plant, plays the locking effect. The O-shaped ring 9 is positioned between the heptagonal lock cylinder 2 and the lock body 1, and plays a role in sealing and increasing damping.

The lock comprises a lock body 1 and is characterized in that a positioning block 14 is arranged at the front end of the inner side of the lock body 1, an elastic retainer ring 16 is arranged between the positioning block 14 and the lock body 1, and a pressing block 13 is arranged between the lock body 1 and the heptagonal lock cylinder 2. And the compression spring I15 is positioned between the heptagonal lock cylinder 2 and the pressing block 13 and is used for automatically ejecting the pressing block 13. The positioning block 14 is clamped on the lock body 1 through an elastic retainer ring 16, a spring II is arranged in the pressing block 13, the pressing block 13 is pressed on the positioning block 14 under the pressure of the spring II, and the pressing block 13 can be automatically ejected when a key is loosened.

The inner ring of the pressing block 13 is a regular heptagon, the front end of the heptagon lock cylinder 2 is matched with the inner ring of the pressing block 13, four bulges are arranged on the outer ring of the pressing block 13, four grooves are arranged on the lock body 1, and the bulges of the pressing block 13 are matched with the grooves of the lock body 1. The pressure block 13 can only move along the axial direction of the lock body 1 and cannot rotate. After the pressing block 13 is pressed to the cylindrical area by a key, the limiting of the pressing block 13 and the seven-angle lock cylinder 2 is loosened, and the key can rotate the seven-angle lock cylinder 2 to unlock.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a prevent that mistake is opened seven angles and is compressed tightly and prevent pine lock which characterized in that: the door lock comprises a lock body, a heptagonal lock cylinder, a lock rod and a lock tongue, wherein the lock body is fixed on a door plate through a hexagon nut I, a positioning block is arranged at the front end of the inner side of the lock body, an elastic check ring is arranged between the positioning block and the lock body, the positioning block is clamped on the lock body through the elastic check ring, a pressing block is arranged between the lock body and the heptagonal lock cylinder, a spring II is arranged in the pressing block, and a compression spring I is arranged between the heptagonal lock cylinder; the front end of the heptagonal lock cylinder is a regular heptagonal prism, the rear end of the heptagonal lock cylinder is cylindrical, a spring I is arranged on the heptagonal lock cylinder, a retainer ring is arranged at the part of one end of the heptagonal lock cylinder, which is connected with the lock body, and the rear end of the heptagonal lock cylinder is connected with the lock rod through a guide post; the other end of the lock rod is connected with the lock tongue, a compression spring II is sleeved on the lock rod, and the outer side of the lock tongue is fixed by a hexagon nut II.

2. The anti-false-unlocking heptagonal compression anti-loosening lock as claimed in claim 1, wherein: the inner ring of the pressing block is matched with the front end of the heptagonal lock cylinder, and the outer ring of the pressing block is provided with a bulge matched with the groove of the lock body.

3. The anti-false-unlocking heptagonal-compression anti-loosening lock according to claim 2, wherein: the number of the protrusions is 4.

4. The anti-false-unlocking heptagonal compression anti-loosening lock as claimed in claim 1, wherein: and an internal tooth locking washer II is arranged between the lock tongue and the hexagonal nut II.

5. The anti-false-unlocking heptagonal-compression anti-loosening lock according to claim 2, wherein: the number of the grooves of the lock body is 4.

6. The anti-false-unlocking heptagonal compression anti-loosening lock as claimed in claim 1, wherein: and an internal tooth locking washer I is arranged between the hexagonal nut I and the door plate.

7. The anti-false-unlocking heptagonal compression anti-loosening lock as claimed in claim 1, wherein: an O-shaped ring is arranged between the seven-angle lock cylinder and the lock body.