CN219806630U - Lock device for printer - Google Patents

Abstract

The utility model discloses a lock device for a printer, comprising: the utility model relates to a printer, which comprises a lock cylinder, a lock tongue and a handle, wherein the lock cylinder is rotatably arranged on an upper bracket on the upper part of an outer opening of a printer shell, one end of the lock tongue is fixed at one end of the lock cylinder, which is positioned at the inner edge of the upper bracket, the other end of the lock tongue is provided with a lock hook, the handle comprises a fixing part, a triggering part, a handle part and a connecting part, the handle is rotatably arranged on the inner side wall of the printer shell and is close to the outer opening of the printer shell through the fixing part, the top of the handle part extends out of the outer opening of the printer shell, the triggering part is propped against the front end of a core spanner, and the core spanner is pulled to separate the front core from the rear core.

Description

Lock device for printer

Technical Field

The utility model relates to the technical field of printers, in particular to a lock device for a printer.

Background

The printer can be placed in public area generally, and the handle of control printer is external generally, and the handle can control the break away from of front deck and back deck of printer, and the handle if pulled wantonly by the people, causes front deck and back deck of printer to break away from, can make the printer in work break away from to influence the printing progress, can cause certain damage to printer equipment even.

Disclosure of Invention

The utility model aims to provide a lock device for a printer, which is used for solving the technical problem that the printing progress is affected due to the fact that the work of the printer is interrupted because a front movement and a rear movement of the printer are separated due to the fact that an existing printer handle is arbitrarily pulled.

To achieve the above object, the present utility model provides a printer door lock device including: the lock cylinder is mounted to an upper support at the upper part of an outer opening of the printer shell, one end of the lock tongue is fixed at the bottom of the lock cylinder, and the other end of the lock tongue is provided with a lock hook.

Further, the handle includes fixed part, trigger portion, handle portion, the handle passes through the fixed part rotation and installs to the printer casing inside wall and be close to the outer opening of printer casing, the handle portion with trigger portion is located respectively the fixed part both sides, the lock core drives the spring bolt rotates to the position that contacts with handle portion, the latch hook with the cooperation of handle portion is mutually hooked, handle portion top is followed printer casing outside opening stretches out the printer outside, trigger portion offsets with the core spanner front end.

Further, the rear end of the core wrench is arranged at the rear core and is close to one end of the handle, a front core is arranged at the front side of the rear core, and the core wrench is used for controlling the front core to be separated from the rear core in a rotating mode.

Further, the handle also comprises a connecting part, the connecting part is arc-shaped and is positioned at the outer edge of the fixing part, the handle part and the triggering part are quadrangular, two ends of the connecting part are respectively connected to the handle part and the triggering part, the fixing part, the handle part, the connecting part and the triggering part are integrally formed into a fan-shaped handle, a hook groove for accommodating a lock hook is formed in the middle part of one side of the handle, and the handle part outwards extends beyond one end of the connecting part to form a handheld end.

Further, the rear movement is fixed to the inner upper portion of the printer housing, the outer side of the front movement is fixed to the upper portion of the printer door, the lower portion of the printer door is rotatably mounted to the lower portion of the outer opening of the printer housing, and when the printer door is closed, the outer opening of the printer housing and the front movement are covered.

Further, the lock device further comprises a travel switch, the travel switch is mounted on the inner side of the upper bracket, a trigger end which is triggered by abutting against the lock hook is arranged at the outer end of the travel switch, and the travel switch is used for controlling the on/off state of the printing function of the printer.

Further, one end of the triggering part, which extends outwards beyond the connecting part, is provided with an extending part, and the outer end of the extending part abuts against the core wrench.

Further, lock core top surface center is provided with the lock core hole that matches with the key plug, lock core hole side is provided with the location draw-in groove, the location draw-in groove with the location lug phase-match of plug side, lock core hole middle part is provided with the guide post, the guide post with the guide hole phase-match of plug tip, lock core top outside be provided with spacing boss and lock core bottom is provided with square post.

Further, the lock tongue is fastened and sleeved on the square column through the square hole.

Further, the lock device further comprises a pressure spring and a fixed cover, a spring groove is further formed in the bottom of the lock cylinder, the pressure spring is placed in the spring groove, the fixed cover is fixed to the upper support, the square column penetrates through the fixed cover, and the fixed cover covers the pressure spring in the spring groove.

Further, the upper bracket is provided with a limiting clamping groove, and when the lock hook is far away from the fixing part and is arranged in the hook groove, the middle part of the lock tongue is arranged in the limiting clamping groove.

The utility model has the following advantages:

according to the lock device for the printer, which is designed in the technical scheme, the lock tongue is driven to rotate to a position contacted with the handle part based on the lock cylinder, the lock hook is matched and hooked with the handle part, the top of the handle part extends out of the printer from the outer opening of the printer shell, the trigger part is abutted against the core spanner, and the rotation of the core spanner is controlled through the lock device of the printer, so that the front core and the rear core of the printer are controlled to be separated, namely, the printer handle is prevented from being separated from the front core and the rear core of the printer due to random pulling to interrupt the printer work, and the printing progress is influenced.

Drawings

Fig. 1 is a perspective view of a printer of the present utility model without a printer door embodying the front face of a lock device for the printer.

Fig. 2 is a perspective view of a front and rear deck of a lock device for a printer according to the present utility model in a state in which the front and rear deck are not separated.

Fig. 3 is a perspective view of a front and rear deck of a lock device for a printer according to the present utility model in a disengaged state.

Fig. 4 is a perspective view of a printer housing embodying a lock apparatus for a printer of the present utility model.

Fig. 5 is a perspective view of a printer door embodying the front of a printer ribbon for a lock device of a printer of the present utility model.

Fig. 6 is a perspective view of a printer door with a front cartridge of a lock device for a printer of the present utility model.

Fig. 7 is a perspective view of a handle of a lock device for a printer according to the present utility model.

Fig. 8 is a perspective view of a handle of a lock device for a printer according to the present utility model.

Fig. 9 is an assembled perspective view of a lock device for a printer with a printer housing of the present utility model.

Fig. 10 is a side cross-sectional view of a lock device for a printer with a printer housing of the present utility model.

Fig. 11 is a perspective view of a key cylinder of a lock device for a printer according to the present utility model.

Fig. 12 is an enlarged partial cross-sectional view of a lock device for a printer of the present utility model.

Fig. 13 is an exploded view of a lock device for a printer according to the present utility model.

In the figure: 01. key, 02, lock core, 03, bolt, 04, pressure spring, 05, handle, 06, fixed cover, 07, travel switch, 08, printer housing, 09, printer door, 10, screw, 11, front movement, 12, rear movement, 13, movement wrench, 14, extension piece, 011, positioning boss, 012, guiding hole, 013, plug, 021, guiding post, 022, spring groove, 023, spacing boss, 024, square post, 025, positioning slot, 026, screw hole, 031, mounting hole, 032, latch hook, 051 fixed part, 052, trigger part, 053, connecting part, 054, handle part, 081, upper bracket, 082, spacing slot, 083, screw post, 084, accommodation case.

Detailed Description

The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The printer handle is external, can be pulled wantonly by the people and thereby make printer front deck and back deck break away from, or the printer door is opened by accident, causes the printer in work to be interrupted and influence the printing progress, even damages printing equipment.

Referring to fig. 1 to 13, the present utility model provides a lock device for a printer, comprising: lock core 02, spring bolt 03, handle 05. The rotatable handle 05 is in conflict with the core spanner 13 which is used for controlling the front core 11 and the rear core 12 to be separated, and the lock cylinder 02 drives the lock tongue 03 to enable the lock tongue 03 to be hooked with the handle 05 and not rotate, so that the core spanner 13 is not pulled, and the problem that the front core 11 and the rear core 12 of the printer are separated by randomly pulling the handle 05 to influence the printing progress is solved.

Referring to fig. 1-3, the rear core 12 of the printer is fixed at the upper part in the printer casing 08, the front core 11 is mounted at the front side of the rear core 12, the rear end of the core wrench 13 is mounted at one side of the rear core 12 close to the handle 05, the front end of the core wrench 13 can be pulled downwards, the handle 05 is rotatably mounted on the inner side wall of the printer casing 08 by the fixing part 051 and is close to the outer opening of the printer casing 08, the handle 05 fixing part 051 is positioned below the upper bracket 081, the triggering part 052 of the handle 05 is abutted against the front end of the core wrench 13 for controlling the front core 11 and the rear core 12 to be separated, the handle part 054 of the handle 05 extends out of the printer, and the upper side of the handle part 054 is abutted against the lower side of the upper bracket 081, namely the handle 05 can only be pulled downwards and cannot be pulled upwards.

As shown in connection with fig. 7-8, the handle 05 includes a fixing portion 051, a trigger portion 052, a handle portion 054, and a connecting portion 053. The fixed part 051 both sides are quadrangular handle portion 054 and trigger portion 052, have arc rectangular form connecting portion 053 to connect between handle portion 054 and the trigger portion 052, fixed part 051, handle portion 054, connecting portion 053, trigger portion 052 integrated into one piece forms fan-shaped handle 05, the hook groove of holding latch hook 032 is formed to handle 05 middle part position, the one side that fixed part 051 is close to printer shell 08 inside wall is provided with the connecting axle, the hook groove is located the different faces of handle 05 with the connecting axle, the outside top part that extends beyond connecting portion 053 of handle portion 054 stretches out the printer outside for handheld. The trigger portion 052 extends outwards beyond the end of the connecting portion 053 and is provided with an extension piece 14, so that the axial length of the trigger portion 052 can be increased, and the trigger portion 052 and the movement wrench 13 are in good contact.

As shown in fig. 4, a housing 084 for mounting the lock cylinder 02 and a component for fixing the travel switch 07 are integrally arranged behind an upper bracket 081 at the upper part of an outer opening of the printer casing 08, the lock cylinder 02 is placed in the housing 084 of the upper bracket 081, a limiting boss 023 arranged on the outer side of the top of the lock cylinder 02 is limited to move in the limiting boss, the moving range of the limiting boss 023 in the limiting boss is that after the lock cylinder 02 rotates to a locking hook 032 in a first direction and is completely hooked with the handle 05, the lock cylinder 02 cannot rotate continuously in the first direction due to the limitation of the limiting boss, and after the lock cylinder 02 rotates to the locking hook 032 to completely trigger the travel switch 07 in a second direction due to the limitation of the limiting boss.

Lock core 02 can be rotated in holding shell 084 through key 01, for example, key 01 includes key handle and plug 013, and plug 013 side is provided with location lug 011, and plug 013 keeps away from key handle one end and is provided with guiding hole 012, and lock core 02 top surface center is provided with the lock core hole that corresponds the shape with plug 013, and lock core 02 hole side is provided with the positioning slot 025 with location lug 011 assorted, and lock core hole middle part is provided with the guide post 021 with guiding hole 012 assorted, and lock core 02 top outside is provided with spacing boss 023 and lock core 02 bottom is provided with square post 024. The bottom of lock core 02 is provided with spring groove 022, place pressure spring 04 in spring groove 022 of lock core 02, then press pressure spring 04 in spring groove 022 with fixed lid 06, square post 024 stretches out fixed lid 06 outside through the hole on fixed lid 06, then install spring bolt 03 on square post 024 again, fixed lid 06 passes through the screw to be fixed on screw post 083 on the upper bracket 081.

The lock hole is arranged in front of the upper support 081, the lock hole corresponds to the lock hole in the top of the lock cylinder 02, a lock tongue 03 is connected to one end of the square column 024, which is close to the inner edge of the upper support 081, of the bottom of the lock cylinder 02, the lock tongue 03 is fixed to the square column 024, and the lock tongue 03 is in two forms: the lock tongue 03 is directly sleeved on the square column 024 through the square hole. The other is: one end of the square column 024 is provided with a screw hole, and the lock tongue 03 is fixed to one end of the square column 024 by a screw 10. The other end of the lock tongue 03 is provided with a lock hook 032, and the lock hook 032 can be placed in the hook groove to be hooked with the handle 05. When the latch hook 032 is hooked on the handle 05, the latch hook 032 is arranged in the hook groove, the lower part of the latch hook 032 is far away from the fixing part 051, the latch bolt 03 is unstable due to the fact that the lower part of the latch hook 032 is not supported, the latch bolt 03 passes over the lower edge of the upper bracket 081 when rotating, the limit clamping groove 082 is formed in the lower edge of the upper bracket 081, when the latch hook 032 is arranged in the hook groove, the middle part of the latch bolt 03 is arranged in the limit clamping groove 082, so that the latch bolt 03 is relatively stable, and when the latch bolt 03 rotates, due to the action of the pressure spring 04, the latch bolt 02 only needs to be pressed inwards, and the square column 024 can drive the latch bolt 03 to be separated from the limit clamping groove 082, so that the latch bolt 03 can move.

As shown in fig. 1 and 9, by rotating the lock cylinder 02, the lock cylinder 02 drives the lock tongue 03 to rotate together in the first direction, the lock tongue 03 passes over the upper bracket 081 and contacts the handle portion 054 until the lock tongue is hooked with the hooking groove of the handle 05, at this time, the top of the handle portion 054 is pulled downward, and the handle portion 054 cannot be pulled due to the upward hooking of the lock hook 032.

As shown in fig. 1-3, when the trigger portion 052 of the handle 05 is abutted against the printer core wrench 13 and the latch hook 032 is separated from the handle 05 by rotating in the second direction, the handle portion 054 is pulled downward by an external force, and the trigger portion 052 of the handle 05 is applied to the core wrench 13 by the handle 05 connecting portion 053, the core wrench 13 is pulled downward, and the core wrench 13 is separated from the front core 11 and the rear core 12 by the detaching mechanism.

It should be noted that, the construction and working principle of the detaching mechanism are specifically shown in paragraphs 0039 to 0052 of the specification in the patent publication No. CN218477308U, the front movement 11 in the present utility model corresponds to the base frame and the device connected to the base frame in the cited patent, the rear movement 12 in the present utility model corresponds to the mounting frame and the device connected to the mounting frame in the cited patent, and the movement wrench 13 in the present utility model corresponds to the wrench part in the cited patent.

The key 01 is inserted into a lock core hole of the lock core 02, the key 01 rotates the lock core 02, the lock core 02 drives the lock tongue 03 to rotate together, and when the lock tongue 03 rotates to the handle 05 through the first direction, the handle 054 is hooked by the lock hook 032, namely the lock hook 032 is arranged in a hook groove of the handle.

The upper side of the handle 05 is propped against the lower side of the upper bracket 081, the handle 05 is hooked upwards by the lock tongue 03, so that the handle 05 cannot be pulled downwards, the handle 05 is propped against the core spanner 13 without other acting forces, so that the core spanner 13 for controlling the front core 11 and the rear core 12 to be separated cannot be pulled, the front core 11 and the rear core 12 cannot be separated, and the printer handle 05 cannot be separated from the front core 11 and the rear core 12 by being pulled randomly to influence the printing progress.

Referring to fig. 5 and 6, the front movement 11 is fixedly installed on the upper portion of the inner side of the printer door 09, the lower portion of the printer door 09 is rotatably installed on the lower portion of the opening outside the printer housing 08, the opening outside the printer housing 08 is covered when the printer door 09 is closed, the handle portion 054 extends out of the outer side of the printer housing 08 through a groove on the printer door 09, and the front movement 11 and the rear movement 12 are controlled to be separated by the interference movement wrench 13 based on the handle 05, so that the detailed description is not repeated. When the front movement 11 is separated from the rear movement 12, the printer door 09 rotates at the joint between the printer door 09 and the printer housing 08 due to the gravity of the front movement 11, so that the printer door 09 is opened. By the hooking state of the lock tongue 03 and the handle 05, the printer lock device controls the disengagement of the front movement 11 and the rear movement 12 by controlling the movement wrench 13, thereby controlling the opening/closing of the printer door 09.

As shown in fig. 10, the travel switch 07 is installed on the inner side of the upper bracket 081, the travel switch 07 controls the on/off state of the printing function of the printer, when the latch hook 032 rotates to the travel switch 07 in the second direction, the latch hook 032 abuts against the trigger end of the travel switch 07, the travel switch 07 sends a signal to enable the printing function of the printer to be in the off state, at this time, the latch hook 032 is not hooked with the handle 05, so the printer door 09 can be opened, the latch hook 032 rotates in the first direction and is separated from the trigger end of the travel switch 07, the travel switch 07 is not triggered, no signal is sent, the printing function of the printer is opened, at this time, the latch hook 032 is placed in the hooked with the handle 05 state, and the printer door 09 cannot be opened. The trigger end of the travel switch 07 is in contact with or not through the lock hook 032, so that the printer lock device can realize the on/off control of the printing function of the printer.

During specific operation, the key 01 is inserted into the lock cylinder 02, meanwhile, the key 01 is pressed to enable the lock tongue 03 to be separated from the limit clamping groove 082 of the upper bracket 081 of the printer, the travel switch 07 is rotated to a second direction until the rotation is stopped, the travel switch 07 is triggered, meanwhile, the printer is enabled to close a printing function by a feedback signal, the handle 05 is in a movable state, the movement wrench 13 can be controlled at any time to enable the front movement 11 and the rear movement 12 to be separated, and the printer door 09 can be opened; the key 01 rotates to the first direction until the key is not rotated, the travel switch 07 is not triggered, the signal for closing the printing function is interrupted, at the moment, the handle 05 is in an inactive state, the handle 05 cannot be pulled, the front movement 11 and the rear movement 12 are not separated, and the printer opens the printing function.

The technical effects achieved by the embodiment are as follows:

when the latch hook 032 rotates to the handle 05 in the first direction, the handle 054, namely the latch hook 032, can be hooked in the hook groove, so that the handle 05 cannot be pulled, the movement wrench 13 for controlling the front movement 11 and the rear movement 12 to be separated cannot be pulled, the front movement 11 and the rear movement 12 cannot be separated, the printer door 09 fixed with the front movement 11 cannot be opened, and the printer handle 05 cannot be pulled to interrupt the printer work to influence the printing progress.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (9)

1. A lock device for a printer, the lock device comprising: the printing machine comprises a lock cylinder (02), a lock tongue (03) and a handle (05), wherein the lock cylinder (02) is mounted on an upper bracket (081) at the upper part of an outer opening of a printer shell (08), one end of the lock tongue (03) is fixed at the bottom of the lock cylinder (02), and a lock hook (032) is arranged at the other end of the lock tongue (03);

the handle (05) comprises a fixing part (051), a triggering part (052) and a handle part (054), the handle (05) is rotatably mounted on the inner side wall of the printer shell (08) through the fixing part (051) and is close to the outer opening of the printer shell (08), the handle part (054) and the triggering part (052) are respectively positioned on two sides of the fixing part (051), the lock cylinder (02) drives the lock tongue (03) to rotate to a position contacted with the handle part (054), the lock hook (032) is matched with the handle part (054) to be hooked mutually, the top of the handle part (054) extends out of the printer from the outer opening of the printer shell (08), and the triggering part (052) is propped against the front end of the movement wrench (13);

the rear end of the core spanner (13) is arranged at the rear core (12) and is close to one end of the handle (05), a front core (11) is arranged at the front side of the rear core (12), and the core spanner (13) is used for controlling the front core (11) to be separated from the rear core (12) in a rotating mode.

2. The lock device for a printer according to claim 1, wherein the handle (05) further comprises a connecting portion (053), the connecting portion (053) is arc-shaped and is located at the outer edge of the fixing portion (051), the handle portion (054) and the triggering portion (052) are quadrangular, two ends of the connecting portion (053) are respectively connected to the handle portion (054) and the triggering portion (052), the fixing portion (051), the handle portion (054), the connecting portion (053) and the triggering portion (052) are integrally formed into a fan-shaped handle (05), a hook groove for accommodating the lock hook (032) is formed in the middle of one side of the handle (05), and the handle portion (054) extends outwards beyond one end of the connecting portion (053) to form a handheld end.

3. A lock arrangement for a printer according to claim 2, characterized in that the rear movement (12) is fixed to the upper inside the printer housing (08), the front movement (11) is fixed to the upper part of the printer door (09), the lower part of the printer door (09) is rotatably mounted to the lower part of the outer opening of the printer housing (08), and the printer door (09) covers the outer opening of the printer housing (08), the front movement (11) when the printer door (09) is closed.

4. A lock device for a printer according to claim 3, further comprising a travel switch (07), said travel switch (07) being mounted inside said upper frame (081), an outer end of said travel switch (07) being provided with a trigger end that is triggered by interference with said latch hook (032), said travel switch (07) being adapted to control an on/off state of a printing function of the printer.

5. A lock device for a printer according to claim 4, wherein the trigger portion (052) is provided with an extension member (14) at one end extending outwardly beyond the connecting portion (053), the outer end of the extension member (14) abutting against the deck wrench (13).

6. The lock device for the printer according to claim 5, wherein a lock cylinder hole matched with a key plug (013) is formed in the center of the top surface of the lock cylinder (02), a positioning clamping groove (025) is formed in the side surface of the lock cylinder hole, the positioning clamping groove (025) is matched with a positioning lug (011) on the side surface of the plug (013), a guide post (021) is arranged in the middle of the lock cylinder hole, the guide post (021) is matched with a guide hole (012) at the end of the plug (013), a limit boss (023) is arranged on the outer side of the top of the lock cylinder (02), and a square post (024) is arranged at the bottom of the lock cylinder (02).

7. A lock device for a printer according to claim 6, characterized in that the bolt (03) is fastened over the square post (024) by means of a square hole.

8. The lock device for a printer according to claim 7, further comprising a compression spring (04) and a fixing cover (06), wherein a spring groove (022) is further provided at the bottom of the lock cylinder (02), the compression spring (04) is placed in the spring groove (022), the fixing cover (06) is fixed to the upper bracket (081), the square column (024) passes through the fixing cover (06), and the fixing cover (06) presses the compression spring (04) in the spring groove (022).

9. The lock device for a printer according to claim 8, wherein the upper bracket (081) is provided with a limit catch (082), and when the lock hook (032) is placed in the hook groove away from the fixing portion (051), the middle portion of the lock tongue (03) is placed in the limit catch (082).