CN202220495U

CN202220495U - Tube well lock

Info

Publication number: CN202220495U
Application number: CN2011202610795U
Authority: CN
Inventors: 郭萌
Original assignee: BEIJING HARDROCK DEVELOPMENT Co Ltd
Current assignee: Beijing Anheng Litong Technology Co., Ltd.
Priority date: 2011-07-22
Filing date: 2011-07-22
Publication date: 2012-05-16
Anticipated expiration: 2021-07-22

Abstract

The utility model relates to a tube well lock, which comprises a square tongue (1), a panel (2), a connecting piece (3), a lower lock casing (4), an upper lock casing (7), a square tongue piece (5), a locking piece return spring (9), a locking block (10) and a protruding block (8). A core hole (12) in a special shape is arranged below the lower lock casing (4) and formed by a round hole section (14), arc sections (15) and a block shifting section (16). Two ends of the round hole section (14) are respectively connected with one ends of the two arc sections (15), and two ends of the block shifting section (16) are respectively connected with the other ends of the two arc sections (15). A key matched with the special-shaped hole is inserted into the special-shaped hole and rotates around the centre of a circle of the round hole section (14) to shift the square tongue piece (5). The tube well lock is simple in structure and reliable in use. The key special for the special-shaped hole can unlock all locks with matching hole shapes, and reasonable, simple, reliable and firm locks are provided for the property management of communal facilities.

Description

The pipe well lock

Technical field

The utility model relates to a kind of lock, particularly the general pipe well of a kind of specialty lock.

Background technology

In property management, a lot of communal facilitieies are arranged, such as facilities such as power supply, water supply, fire-fightings.A lot of control checkout equipments are arranged in these facilities, and as ammeter, centralized-control box, water meter, valve, fire hydrant, fire-fighting band or the like, these facilities are placed on special place usually, and all there is the door that can lock in these places.

Problem is just on these door locks.Because up to the present, the door lock on all these communal facility doors does not have unified form, and is multifarious.A lot of local adopt common door lock or drawer-locks, these locks need key to open.Property personnel just need a lot of keys in order to manage these communal facilitys; And in use very bother, look for with needing a key of a key and just can open a door.

Summary of the invention

The goal of the invention of the utility model be solve now pipe well lock can only one key to the problem of a lock, and the pipe well lock of a key to several locks is provided.

In order to accomplish the goal of the invention of the utility model, the pipe well of the utility model lock, it comprises: square tongue, panel, connector, lock shell, the shell of locking, square tongue piece, stay back-moving spring, latch segment and projection down; Panel and two connectors weld together, and panel is contained in down the end of locking shell through two connectors, and the shell of locking is contained in down on the lock shell through joint pin; Side's tongue and square tongue piece are riveted together, and tongue piece chute in the side's of having on the square tongue piece is equipped with the square tongue piece guiding joint pin that is fixed on down on the lock shell in this side's tongue piece chute; Side tongue and square tongue piece move along square tongue piece chute, and the side's of making tongue stretches out and withdraw from panel, and latch segment is contained in down through last fixed connection post to be locked on the shell; And around the rotation of last fixed connection post, a projection is arranged on the latch segment, this projection square tongue stretch out and two states of withdrawing under; With square tongue piece card with, at last fixed connection post the stay back-moving spring is housed, an end of stay back-moving spring withstands latch segment; Lock down shell below have the core hole, wherein: said core hole is an irregularly-shaped hole, this irregularly-shaped hole is made up of circular hole portion, arc section and shifting block section; The two ends of circular hole portion link to each other with an end of two sections arc sections respectively; The two ends of shifting block section link to each other with the other end of two sections arc sections respectively, and the length direction of irregularly-shaped hole is greater than its width, and the key that is complementary with irregularly-shaped hole stretches into from this irregularly-shaped hole; Around the center of circle rotation of circular hole portion, the side's of stirring tongue piece.

The pipe well lock construction of the utility model is very simple; Have only very few several parts during assembling, use reliably, special-purpose irregularly-shaped hole key can be opened all locks; But under the situation that does not have special-purpose irregularly-shaped hole key; It also is very hard driving this lock, and this is very suitable for the popularization of this specific applications with regard to a kind of suitable, simple, reliable, firm lockset is provided for the property management of communal facility.

Description of drawings

Fig. 1 for the square tongue in the pipe well of the utility model lock at the sketch map that stretches out state under, in order clearly to show the internal construction of pipe well lock, with the part shell dismounting of locking;

Fig. 2 is the sketch map of square tongue under retracted mode in the pipe well lock of the utility model, in order clearly to show the internal construction of pipe well lock, with the part shell dismounting of locking;

Fig. 3 is the sketch map of the amplification of irregularly-shaped hole among Fig. 1 and Fig. 2.

Like Fig. 1, Fig. 2 and shown in Figure 3, label 1 side's of being tongue; Label 2 is a panel; Label 3 is a connector; Label 4 is for locking shell down; Label 5 side's of being tongue pieces; Label 6 side's of being tongue piece chutes; Label 7 is the shell of locking; Label 8 is a projection; Label 9 is the stay back-moving spring; Label 10 is a latch segment; Label 11 is last fixed connection post; Label 12 is the core hole; Label 13 side's of being tongue piece guiding joint pins; Label 14 is a circular hole portion; Label 15 is an arc section; Label 16 is the shifting block section.

The specific embodiment

With shown in Figure 2, a kind of pipe well of the utility model is locked and comprised like figure: square tongue 1, panel 2, connector 3, lock shell 4, the shell 7 of locking, square tongue piece 5, stay back-moving spring 9, latch segment 10 and projection 8 down, panel 2 and two connectors 3 weld together; Panel 2 is contained in down the end of locking shell 4 through two connectors 3, and the shell of locking is contained in down on the lock shell 4 through joint pin, and square tongue 1 is riveted together with square tongue piece 5; The side's of having tongue piece chute 6 on side's tongue piece 5; Be equipped with in this side's tongue piece chute 5 and be fixed on down the square tongue piece guiding joint pin 13 of lock on the shell 4, square tongue 1 moves along square tongue piece chute 6 with square tongue piece 5, and the side's of making tongue 1 stretches out and withdraws from panel 2; Latch segment is contained in down on the lock shell through last fixed connection post; And around the rotation of last fixed connection post, a projection 8 is arranged on the latch segment 10, this projection 8 square tongue 1 stretch out and two states of withdrawing under; With square tongue piece 5 cards with; At last fixed connection post 11 stay back-moving spring 9 is housed, an end of stay back-moving spring 9 withstands latch segment 10, lock down shell 4 below have core hole 12.

As shown in Figure 3.Core hole 12 is an irregularly-shaped hole; This irregularly-shaped hole is made up of circular hole portion 14, arc section 15 and shifting block section 16, and the two ends of circular hole portion 14 link to each other with an end of two sections arc sections 15 respectively, and the two ends of shifting block section 16 link to each other with the other end of two sections arc sections 15 respectively; The length direction of irregularly-shaped hole is greater than its width; The key that is complementary with irregularly-shaped hole stretches into from this irregularly-shaped hole, around the center of circle rotation of circular hole portion 14, the side's of stirring tongue piece 5.

The key that is complementary with irregularly-shaped hole stretches into from this irregularly-shaped hole, and around the center of circle rotation of circular hole portion 14, tongue piece 5 side's of making tongue pieces 5 in the side's of stirring are moved to the left along square tongue piece chute 6 with square tongue 1, and side's tongue 1 extending panel 2 as shown in Figure 1 has been realized the locking of pipe well lock.

The key that is complementary with irregularly-shaped hole stretches into from this irregularly-shaped hole, and around the center of circle rotation of circular hole portion 14, tongue piece 5 side's of making tongue pieces 5 in the side's of stirring move right along square tongue piece chute 6 with square tongue 1, and side's tongue 1 withdrawal panel 2 as shown in Figure 2 has been realized opening of pipe well lock.

More than describing is the explanation to the utility model, is not the qualification to utility model, and the utility model institute restricted portion is referring to claim, and under the situation of the spirit of the utility model, the utility model can be done any type of modification.

Claims

1. pipe well lock, it comprises: square tongue (1), panel (2), connector (3), lock shell (4), the shell of locking (7), square tongue piece (5), stay back-moving spring (9), latch segment (10) and projection (8) down, panel (2) and two connectors (3) weld together; Panel (2) is contained in down the end of locking shell (4) through two connectors (3), and the shell of locking is contained in down on the lock shell (4) through joint pin, and square tongue (1) is riveted together with square tongue piece (5); The side's of having tongue piece chute (6) on side's tongue piece (5) is equipped with the square tongue piece guiding joint pin (13) that is fixed on down on the lock shell (4) in this side's tongue piece chute (5), square tongue (1) and square tongue piece (5) move along square tongue piece chute (6); The side's of making tongue (1) stretches out and withdraws from panel (2), and latch segment (10) is contained in down on the lock shell (4) through last fixed connection post (11), and rotates around last fixed connection post (11); One projection (8) is arranged on the latch segment (10); This projection (8) square tongue (1) stretch out and two states of withdrawing under, with square tongue piece (5) card with, at last fixed connection post (11) stay back-moving spring (9) is housed; One end of stay back-moving spring (9) withstands latch segment (10); Have core hole (12) in the below of locking shell (4) down, it is characterized in that: said core hole (12) is irregularly-shaped hole, and this irregularly-shaped hole is made up of circular hole portion (14), arc section (15) and shifting block section (16); The two ends of circular hole portion (14) link to each other with an end of two sections arc sections (15) respectively; The two ends of shifting block section (16) link to each other with the other end of two sections arc sections (15) respectively, and the length direction of irregularly-shaped hole is greater than its width, and the key that is complementary with irregularly-shaped hole stretches into from this irregularly-shaped hole; Around the center of circle rotation of circular hole portion (14), the side's of stirring tongue piece (5).