CN210264208U - Cabin door lock - Google Patents

Abstract

The utility model discloses a hatch door lock, including lock shell, lock core, spring bolt and lock nut, the lock core install in on the lock shell, the lock shell is fixed in the hatch door through lock nut on, the lock core with spring bolt fixed connection, be provided with the latch hook on the spring bolt for withhold the fastener on the cabin body, the lock core front end is provided with the recess, the use tool roof pressure behind the groove part of lock core front end, latch hook on the spring bolt breaks away from the fastener on the cabin body, and is rotatory the lock core drives the spring bolt rotates, and the hatch door is opened, the roof pressure behind the groove part of lock core front end and rotatory fixed position, the fastener of the cabin body is withheld to the latch hook, locks the hatch door. The utility model discloses need not to use specialized tool can open fast, lock the hatch door, simple structure, low cost, the simple operation has wide application prospect, is favorable to popularizing and applying.

Description

Cabin door lock

Technical Field

The utility model relates to a mechano-electronic field especially relates to a hatch door lock.

Background

Mechanical electrical equipment generally sets up the shell and protects when using, uses screw fastening or tool to lock etc. commonly used to fix usually, and during routine maintenance and troubleshooting, need open shell or hatch door, use screw fastening's the easy screw thread that leads to wearing and tearing and can't fix, use tool to lock commonly used and need use special key, and installation space is big, and the structure is complicated, easily takes off after the vibrations, is not convenient for carry out routine maintenance or troubleshooting.

In view of this, the present invention is especially provided.

Disclosure of Invention

The utility model aims at providing a hatch door lock, simple structure, low cost, the simple operation uses common tool can open or lock the hatch door fast, installs on the shell that needs frequent maintenance or overhaul, conveniently maintains or overhauls, and durable, has wide application prospect, is favorable to popularizing and applying.

In order to realize the above-mentioned purpose, the utility model provides a pair of hatch door lock, including lock shell, lock core, spring bolt and lock nut, the lock core install in on the lock shell, the lock shell is fixed in on the hatch door through lock nut, the lock core with spring bolt fixed connection, be provided with the latch hook on the spring bolt for buckle the fastener on the cabin body, the lock core front end is provided with the recess, the use tool roof pressure behind the groove part of lock core front end, latch hook on the spring bolt breaks away from the fastener on the cabin body, and is rotatory the lock core drives the spring bolt rotates, and the hatch door is opened, the roof pressure behind the groove part and the rotatory fixed position of lock core front end, the latch hook buckles the fastener in the cabin body, locks the hatch door.

The cabin door lock further comprises a spring, the lock cylinder is sleeved in the spring, and the spring is sleeved in the lock shell and used for enabling the lock cylinder and the lock tongue to reset.

Preferably, the lock cylinder and the lock tongue are fixedly connected by screws.

Preferably, the groove at the front end of the lock cylinder is in a straight line or a cross shape and used for limiting a tool.

Preferably, the locking hook is an L-shaped structure for fastening a fastener on the cabin.

Preferably, the spring travel is 5 mm.

The utility model provides a pair of hatch door lock has following beneficial effect.

1. The utility model discloses a set up the latch hook on the spring bolt, make the latch hook break away from the fastener on the cabin body through the instrument after, mechanical electrical equipment that needs maintenance or overhaul can be opened to rotatory lock core, has solved the problem of swiftly opening the hatch door, and not fragile, and is safe firm.

2. The utility model discloses an at the outside spring that applies mechanically of lock core, make the spring bolt rotate when use tool extrusion lock core, after putting aside the instrument, the spring resets spring bolt, lock core, convenient and fast automatically.

3. The utility model discloses a set up a style of calligraphy or cross recess at the lock core front end, use a style of calligraphy screwdriver commonly used or cross screwdriver can open the hatch door fast, solved the inconvenience that uses extra specialized tool to bring.

Drawings

Fig. 1 is a schematic view of an external shape of a hatch lock provided by the present invention.

Fig. 2 is a schematic structural view of a hatch door lock provided by the present invention.

Fig. 3 is a schematic view of the connection between the hatch lock and the fasteners of the hatch and cabin bodies provided by the present invention.

In the figure: 1. the bolt, 2. latch hook, 3. spring bolt, 4. lock nut, 5. lock shell, 6. spring, 7. lock core, 8. recess, 9. hatch door, 10. fastener of cabin body.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.

As shown in fig. 1, the shape of the hatch lock provided by the present invention is schematically illustrated. The utility model discloses a lock shell 5, lock core 7, spring bolt 3 and lock nut 4, lock core 7 install in on the lock shell 5, lock shell 5 is fixed in hatch door 9 through lock nut 4 on, lock core 7 and spring bolt 3 fixed connection are provided with latch hook 2 on the spring bolt 3 for buckle the fastener 10 in the cabin body, and 7 front ends of lock core are provided with recess 8, and behind the recess 8 position of use tool roof pressure lock core 7 front end, latch hook 2 on the spring bolt 3 breaks away from the fastener 10 in the cabin body, and is rotatory 7 drive of lock core 3 spring bolt 3 rotates, and hatch door 9 is opened, the roof pressure the recess 8 position of 7 front ends of lock core is rotated to fixed position after, and latch hook 2 buckles the fastener 10 in the cabin body, locks hatch door 9.

As shown in fig. 2, it is a schematic structural diagram of a hatch door lock provided by the present invention. The utility model discloses still include spring 6, 7 covers of lock core are in spring 6, and 6 covers of spring are in lock shell 5, and behind the 8 positions of recess of the 7 front ends of use tool roof pressure lock cores, the deformation takes place for the 6 atress of spring, after putting aside the instrument, spring 6 makes lock core 7 and spring bolt 3 reset because the elasticity that deformation produced. Preferably, the lock cylinder 7 and the bolt 4 are fixedly connected by a screw 5. Preferably, the groove 7 at the front end of the lock cylinder 1 is in a straight line or a cross shape and is used for limiting a tool. Preferably, the locking hook 3 is an L-shaped structure for fastening the fastening member 10 of the cabin. Preferably, the spring 8 has a stroke of 5 mm.

The working principle of the utility model is as follows.

As shown in fig. 3, the present invention provides a schematic view of the connection between the hatch lock and the fastener of the hatch and the cabin body.

The utility model is characterized in that a lock nut 4 is arranged on a lock shell 5 on a hatch door 9, a lock cylinder 7 is arranged inside a spring 6, the spring 6 is arranged inside the lock shell 5, the front end of the lock cylinder 7 is provided with a linear or cross-shaped groove 8, the lock cylinder 7 passes through the spring 6 and the lock shell 5 to be fixedly connected with a lock tongue 3, a connecting mechanism is a screw 1, an L-shaped lock hook 2 is arranged on the lock tongue 3, a fastener 10 is arranged on a cabin body, when in a locking state, the lock hook 2 buckles the fastener 10 of the cabin body, when the hatch door 9 needs to be opened for maintenance or overhaul, a common straight-line or cross screwdriver tool is used to press the groove 8 position at the front end of the lock core 7, the spring 6 is extruded, the stroke is 5mm, the lock tongue 3 connected with the lock tongue moves, the lock hook 2 is separated from the fastener 10 of the cabin body, the tool is rotated for 90 degrees to enable the lock hook 2 to rotate, the cabin door 9 is opened, and after the tool is removed, the spring 6 resets to drive the lock core 7 and the lock tongue 3 to reset; when the cabin door needs to be locked, a tool is used for jacking the groove 8 at the front end of the lock cylinder 7, the spring 6 is extruded, the stroke is 5mm, the lock tongue 3 connected with the spring moves, the tool is rotated by 90 degrees to enable the lock hook 2 to be aligned with the fastener 10 of the cabin body, after the tool is removed, the spring 6 resets to drive the lock tongue 3 to reset, the lock hook 2 is buckled with the fastener 10 of the cabin body, and the cabin door 9 is locked. The utility model discloses can open the hatch door that needs maintain or overhaul fast, it is economic high-efficient, have wide application prospect, be favorable to popularizing and applying.

The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. A cabin door lock is characterized by comprising a lock shell, a lock core, a lock tongue and a lock nut, wherein the lock core is arranged on the lock shell, the lock shell is fixed on a cabin door through the lock nut, the lock core is fixedly connected with the lock tongue, the lock tongue is provided with the lock hook for buckling a fastener on a cabin body, the front end of the lock core is provided with a groove, after a tool is used for jacking a groove part at the front end of the lock core, the lock hook on the lock tongue is separated from the fastener on the cabin body, the lock core is rotated to drive the lock tongue to rotate, the cabin door is opened, and after the groove part at the front end of the lock core is jacked and rotated to a fixed position, the lock hook buckles the fastener of;

the cabin door lock further comprises a spring, the lock cylinder is sleeved in the spring, and the spring is sleeved in the lock shell and used for enabling the lock cylinder and the lock tongue to reset.

2. A door lock according to claim 1, wherein the locking core is fixedly connected to the locking bolt by screws.

3. A door lock according to any one of claims 1 to 2, wherein the recess in the front of the lock cylinder is in the shape of a straight line or cross for retaining a tool.

4. A door lock according to claim 3, wherein the locking hook is of L-shaped configuration for engaging a fastener on the cabin.

5. A door lock according to claim 1, wherein said spring travel is 5 mm.

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