CN211666460U - Key convenient to disassemble - Google Patents

Abstract

The utility model discloses a convenient key of dismantling aims at solving when range upon range of partial emergence damages, need change a whole key, has improved consumption cost's problem. The key points of the technical scheme are as follows: the key convenient to disassemble comprises a key handle, a connecting rod and a key head, wherein one end of the connecting rod is fixedly connected with the key handle, a laminating part which is connected with the connecting rod in a sliding mode is arranged on the connecting rod, a fixing rod is arranged on the key head, one end of the fixing rod is fixedly connected with the key head, a groove is formed in one end, away from the key handle, of the connecting rod, the other end of the fixing rod is inserted into the groove and is detachably connected with the groove, and the length of the groove is consistent with that of the fixing. The utility model discloses a convenient key of dismantling can change key part, and resources are saved has reduced the consumption cost.

Description

Key convenient to disassemble

Technical Field

The utility model relates to a key, more specifically say, it relates to a convenient key of dismantling.

Background

Along with the development of economic society, the material wealth of people is increasing day by day, and the people pay special attention to the property safety of the people. The high-value articles are usually locked for storage, and the lock with good safety performance is also selected for the home security door. Even the lock with higher safety performance can be opened by using a matched key. Usually, the key can be carried about or placed in some specific security places, such as offices or rest rooms, and once the key is lost or stolen, the party who acquires the key can easily use the key to open the lockset, so that great hidden danger is brought to the property security of the party who loses the key. And some residents are also used to hide the key in some hidden places outside the door after the door is locked, so that other people can easily find the key to enter the house, and the immeasurable loss is caused to the property safety of the residents.

In view of the above problems, chinese patent publication No. CN206829816U discloses a key with anti-theft function, which includes a key handle, a connecting portion and a key head, wherein the connecting portion is located at one side of the key handle and is fixed to an edge of the key handle. The key head is provided with a key rod, one end of the key rod is fixedly connected with the key head, and the other end of the key rod is provided with external threads. The key rod is sleeved with a laminated part, one end of the key rod with external threads is inserted into an assembly hole at one end of the connecting part far away from the key handle and is connected with the connecting part. The laminated portion is formed by laminating a plurality of tooth-shaped segments in an axial direction of the key lever, each tooth-shaped segment being rotatable with respect to the key lever. The tooth-shaped section comprises a cylinder, the center of the cylinder is provided with a through hole matched with the key rod, and the outer side surface of the cylinder is provided with four convex edges which are uniformly arranged in an annular shape.

Above-mentioned scheme can be in disorder with the structure of range upon range of portion when the key is idle, and the key can not be opened even if the key loses or stolen back, only knows and adjusts the exact cooperation position of six profile of tooth sections, can obtain the exact key shape, opens the tool to lock smoothly, through encrypting the key structure, improves its security of using. However, such a key is relatively delicate and costly to manufacture, and when one of the stacked portions is damaged, the entire key has to be replaced, which increases the cost of consumption.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a key of convenient dismantlement, through set up the connecting rod on the key handle to set up on the key head and can dismantle the dead lever of being connected with the connecting rod, reach when the local damage that appears in range upon range of portion, can take off it and change, practiced thrift consumption cost's purpose.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a convenient key of dismantling, includes key handle, connecting rod and key head, the one end and the key handle fixed connection of connecting rod, be provided with the range upon range of portion rather than sliding connection on the connecting rod, the overhead dead lever that is provided with of key, the one end and the key head fixed connection of dead lever, the one end that the key handle was kept away from to the connecting rod is provided with the recess, the other end of dead lever insert in the recess and with the connection can be dismantled to the recess, the recess is unanimous with the length of fixed rod.

By adopting the technical scheme, under normal conditions, the laminated part is sleeved on the connecting rod, the fixed rod is inserted into the groove and connected with the groove, the key head just abuts against the laminated part far away from one end of the key handle, the laminated part is fixed between the key handle and the key head, when one laminated part is taken down, the fixed rod is taken out of the groove, the fixed rod and the connecting rod are separated, after the key head is not blocked, the laminated parts sleeved on the connecting rod can be taken down one by one, any laminated part can be replaced, after the laminated part is replaced, other laminated parts are sleeved back on the connecting rod, then the fixed rod is connected with the connecting rod again, the key can be reused, and the targeted replacement can be carried out when the local laminated part is damaged without replacing the whole key, the consumption cost is saved.

The utility model discloses further set up to: the key head is characterized in that two symmetrically distributed convex blocks are arranged at one end, away from the key head, of the fixed rod, slots for the convex blocks to insert are formed in the inner wall of each groove, annular grooves for the convex blocks to rotate into are formed in the bottom walls of the grooves, and the annular grooves are communicated with the slots.

By adopting the technical scheme, the fixed rod is in clearance fit with the inner wall of the groove, the lug is in clearance fit with the inner wall of the slot, when the fixed rod is connected with the connecting rod, the lug is aligned with the slot, then the fixed rod is inserted into the groove, the lug is also inserted into the slot along with the fixed rod, when the fixed rod and the lug are inserted to the bottom end and are abutted against the bottom wall of the annular groove, the fixed rod is rotated, the lug rotates along with the fixed rod, the lug is turned into the annular groove and clamped in the annular groove, the fixed rod cannot be pulled out outwards any more, the connecting rod is connected with the fixed rod, when the connecting rod is separated from the fixed rod, the fixed rod is rotated to drive the lug to rotate, when the lug rotates to the position corresponding to the slot, the lug can be pulled out outwards along the slot, the connecting rod and the fixed rod are separated, and the, simple structure and convenient operation.

The utility model discloses further set up to: the one end that the dead lever was kept away from to the lug is provided with the holding tank, be provided with bullet piece in the holding tank, be provided with reset spring between bullet piece and the holding tank, be provided with the draw-in groove of being connected with bullet piece cooperation on the inner wall of ring channel.

Through adopting above-mentioned technical scheme, bullet piece is the hemisphere, and the notch department of hemispherical cambered surface orientation holding tank, insert the in-process of slot at the lug, bullet piece can be extruded by the inner wall of slot, the shrink is in the holding tank, when the lug rotates to on the position that corresponds with the draw-in groove, bullet piece can pop out through reset spring, the card is gone into in the draw-in groove, when will taking the dead lever out from the recess, the lug can rotate again, bullet piece will receive the extrusion of ring channel inner wall again, shrink back in the holding tank, bullet piece card is when the draw-in groove, can make the connection between dead lever and the recess more stable, it can produce the rotation by oneself to prevent that the dead lever.

The utility model discloses further set up to: the utility model discloses a fixing device for a plastic pipe, including dead lever, be provided with the cavity in the dead lever, be provided with the stripper bar in the cavity, be provided with the opening that supplies the one end of stripper bar to stretch out on the dead lever, be provided with the elastic component between the other end of stripper bar and the inner wall of cavity, be provided with two symmetric distribution's bar plastic sheet in the cavity, be provided with the drive pole on the bar plastic sheet, be provided with the through-hole that supplies the drive pole to stretch out on the dead lever, the one end that the drive pole stretches out the through-hole is provided with the locking block, the one end that the locking block is close to the recess notch is provided with the slope, set up the.

By adopting the technical scheme, when the fixed rod and the groove are connected together, the fixed rod is inserted to the bottommost end along the groove, the head of the extrusion rod is conical, the extrusion rod is extruded by the inner wall of the groove and is close to the two strip-shaped plastic sheets, the elastic part can be contracted, after the extrusion rod is gradually extruded between the two strip-shaped plastic sheets, the two strip-shaped plastic sheets can be extruded to two sides by the extrusion rod, the driving rod can be driven to move towards two sides, the locking block can be pushed away towards two sides by the driving rod, the locking block can be clamped into the limiting groove and is attached to the inner wall of the limiting groove, the two strip-shaped plastic sheets can provide clamping force for the extrusion rod to prevent the extrusion rod from moving by itself, the fixed rod is connected with the connecting rod, when the connecting rod and the fixed rod are separated, the key head is held to draw the fixed rod outwards, and the inclined plane attached to the slope, will be with outwards taking out power conversion for a decurrent power, just can extrude the locking block to the one side that is close to the dead lever, the locking block will drive the drive pole and remove to same direction, the drive pole will drive two strip plastic pieces and to being close to each other, two strip plastic pieces will extrude the stripper bar, the stripper bar will be through the elasticity answer normal position of elastic component, just can separate connecting rod and dead lever, just can accomplish connection and dismantlement between the two through the plug, moreover, the steam generator is simple in structure, and convenient operation.

The utility model discloses further set up to: be provided with the square groove that is used for holding the locking piece on the dead lever, the spring has been cup jointed on the drive rod, the both ends of spring respectively with the inner wall fixed connection in locking piece and square groove.

Through adopting above-mentioned technical scheme, square groove can make the locking piece hold in square groove completely, prevents that the locking piece can bulge on the surface of dead lever, influences the use of dead lever, and the spring can make the in-process structure of driving rod at the removal more stable.

The utility model discloses further set up to: the stacking part is provided with a moving groove for the connecting rod to pass through.

Through adopting above-mentioned technical scheme, range upon range of portion connects on the connecting rod through removing the groove cover, has made things convenient for taking apart of range upon range of portion, can not influence the rotation of range upon range of portion yet, for the life of extension range upon range of portion, range upon range of portion adopts the beryllium bronze alloy to make, and the beryllium bronze alloy mass percent constitutes: 2.05-2.10% of beryllium; 0.10-0.25% of titanium; 0.2-0.3% of nickel; 0.1-0.15% of cobalt; 0.15-0.2% of iron; the balance of copper, and has good flexibility.

The utility model discloses further set up to: the fixed rod is provided with a sliding block, and the inner wall of the groove is provided with a sliding groove for the sliding block to insert.

Through adopting above-mentioned technical scheme, at the in-process that the dead lever removed along the inner wall of recess, the slider also can remove along the spout, makes the dead lever more stable at the in-process structure that removes.

The utility model discloses further set up to: the inner wall of the sliding groove is provided with a universal ball, and the universal ball is attached to the surface of the sliding block.

Through adopting above-mentioned technical scheme, at the in-process that the slider removed along the spout, universal ball can paste the surface roll of slider, has reduced the friction between slider and the spout, makes the removal of slider more smooth and easy.

To sum up, the utility model discloses following beneficial effect has:

firstly, when the local laminated part is damaged, the fixed rod and the connecting rod can be separated, the laminated parts sleeved on the connecting rod can be taken down one by one without the obstruction of a key head, any laminated part can be replaced, after the replacement is finished, other laminated parts are sleeved back on the connecting rod, and then the fixed rod is connected with the connecting rod again, so that the key can be reused, the local laminated part can be replaced in a targeted manner when damaged, the whole key does not need to be replaced, and the consumption cost is saved;

secondly, the elastic block is hemispherical, the hemispherical cambered surface faces to the notch of the accommodating groove, the elastic block can be extruded by the inner wall of the inserting groove and is contracted in the accommodating groove in the process that the convex block is inserted into the inserting groove, when the convex block rotates to the position corresponding to the clamping groove, the elastic block can be popped out through the reset spring and clamped into the clamping groove, when the fixed rod is pulled out of the groove, the convex block can rotate again, the elastic block can be extruded by the inner wall of the annular groove again and is contracted back into the accommodating groove, and when the elastic block is clamped in the clamping groove, the connection between the fixed rod and the groove can be more stable, so that the fixed rod can be prevented from rotating automatically;

thirdly, in the process that the fixed rod moves along the inner wall of the groove, the sliding block can also move along the sliding groove, so that the fixed rod is more stable in the moving process.

Drawings

Fig. 1 is a schematic structural view of the present invention, showing structural features of the key;

FIG. 2 is a schematic view of the internal structure of the fixing rod according to the first embodiment, showing the connection relationship between the connecting rod and the fixing rod according to the first embodiment;

FIG. 3 is an enlarged view of part A of FIG. 2 showing the internal features of the fixing rod according to the first embodiment;

FIG. 4 is a schematic structural diagram of a fixing rod in the second embodiment, showing the connection relationship between the connecting rod and the fixing rod in the second embodiment;

FIG. 5 is an enlarged view of the portion B of FIG. 4, showing the internal features of the fixing rod according to the first embodiment;

fig. 6 is a schematic structural diagram of the bump and the socket in the first embodiment, showing a connection relationship between the bump and the socket.

In the figure: 1. a key handle; 2. a connecting rod; 3. a key head; 4. a laminating section; 5. fixing the rod; 6. a groove; 7. a bump; 8. a slot; 9. an annular groove; 10. accommodating grooves; 11. a spring block; 12. a return spring; 13. a card slot; 14. a cavity; 15. an extrusion stem; 16. an elastic member; 17. a strip-shaped plastic sheet; 18. driving the rod; 19. a locking block; 20. a slope; 21. a limiting groove; 22. a square groove; 23. a spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

The first embodiment is as follows: a key for easy disassembly, as shown in fig. 1-3 and 6, comprises a key handle 1, connecting rod 2 and key head 3, the one end and the 1 integrated into one piece of key handle of connecting rod 2, the cover is equipped with range upon range of portion 4 rather than sliding connection on the connecting rod 2, set up the shifting chute that supplies connecting rod 2 to pass on range upon range of portion 4, be equipped with dead lever 5 on the key head 3, the one end and the 3 integrated into one piece of key head of dead lever 5, connecting rod 2 keeps away from the one end of key handle 1 and has seted up recess 6, the other end of dead lever 5 inserts in recess 6 and can dismantle with recess 6 and be connected, recess 6 is unanimous with the length of dead lever 5, the inner wall clearance fit of dead lever 5 and recess 6, be equipped with the slider rather than integrated into one piece on the dead lever 5, set up on the inner wall of recess 6 and supply slider male spout.

The one end that key head 3 was kept away from to dead lever 5 is equipped with lug 7 of two symmetric distributions, lug 7 and 5 integrated into one piece of dead lever, offer on the inner wall of recess 6 and supply lug 7 male slot 8, lug 7 and slot 8's inner wall clearance fit, be equipped with on the diapire of recess 6 and supply lug 7 to change over to ring channel 9, ring channel 9 communicates with each other with recess 6, lug 7 and ring channel 9's inner wall clearance fit, lug 7 keeps away from the one end of dead lever 5 and has seted up holding tank 10, be equipped with bullet piece 11 in the holding tank 10, bullet piece 11 is hemisphere and the notch department of hemispherical cambered surface towards holding tank 10, be equipped with reset spring 12 between bullet piece 11 and the holding tank 10, reset spring 12's both ends respectively with the inner wall welded fastening of bullet piece 11 and holding tank 10, set up the draw-in groove 13 of.

Under normal conditions, the laminated part 4 is sleeved on the connecting rod 2, the fixing rod 5 is inserted into the groove 6 and connected with the groove 6, the lug 7 is clamped in the annular groove 9, the spring block 11 is also clamped in the clamping groove 13, the key head 3 is just abutted against the laminated part 4 far away from one end of the key handle 1, the laminated part 4 is fixed between the key handle 1 and the key head 3, when one laminated part 4 is to be taken down, the fixing rod 5 is rotated to drive the lug 7 to rotate, after the lug 7 rotates, the hemispherical spring block 11 converts the received force into an inward pushing force, the spring block 11 is extruded and retracted into the accommodating groove 10 by the inner wall of the annular groove 9, then the lug 7 is rotated to the position corresponding to the annular groove 9 and the slot 8, the lug 7 can be drawn out along the slot 8, and the fixing rod 5 can be drawn out from the groove 6, after the key head 3 is not blocked, the laminated parts 4 sleeved on the connecting rod 2 can be taken down one by one, any laminated part 4 can be replaced, after the replacement is finished, other laminated parts 4 are sleeved back on the connecting rod 2, then the fixing rod 5 is connected with the connecting rod 2 again, the lug 7 is aligned with the slot 8, then the fixing rod 5 is inserted into the groove 6, the lug 7 is inserted into the slot 8 along with the fixing rod 5, when the fixing rod 5 and the lug 7 are inserted to the lowest end and are abutted against the bottom wall of the annular groove 9, the fixing rod 5 is rotated, the lug 7 rotates along with the fixing rod 5, the lug 7 is rotated into the annular groove 9 and is clamped in the annular groove 9, the fixing rod 5 cannot be drawn out any more, in the process that the lug 7 is inserted into the slot 8, the elastic block 11 is extruded by the inner wall of the slot 8 and is contracted in the accommodating groove 10, when the bump 7 rotates to the position corresponding to the clamping groove 13, the elastic block 11 can be ejected out through the reset spring 12 and clamped into the clamping groove 13, the fixed rod 5 is prevented from rotating by itself, the fixed rod 5 is connected with the connecting rod 2 again, the laminated part 4 is fixed between the key head 3 and the key handle 1 again, and therefore the local laminated part 4 can be replaced in a targeted mode when damaged, the whole key does not need to be replaced, and resources and consumption cost are saved.

Simultaneously, laminating portion 4 cup joints on connecting rod 2 through moving the groove, made things convenient for dismantling of laminating portion 4 to get, can not influence laminating portion 4's rotation yet, at the in-process that dead lever 5 removed along the inner wall of recess 6, the slider also can remove along the spout, make dead lever 5 more stable at the in-process structure that removes, the in-process that the slider removed along the spout, universal ball can paste the surface roll of slider, the friction between slider and the spout has been reduced, make the removal of slider more smooth and easy.

Example two: compared with the first embodiment, the second embodiment is different in that: as shown in fig. 4-5, a cavity 14 is formed in the fixing rod 5, an extruding rod 15 is disposed in the cavity 14, an opening for extending one end of the extruding rod 15 is formed in the fixing rod 5, an elastic member 16 is disposed between the other end of the extruding rod 15 and the inner wall of the cavity 14, two symmetrically distributed strip-shaped plastic sheets 17 are disposed in the cavity 14, a driving rod 18 integrally formed with the strip-shaped plastic sheets 17 is disposed on the strip-shaped plastic sheets 17, a through hole for extending the driving rod 18 is formed in the fixing rod 5, a locking block 19 integrally formed with the driving rod 18 is disposed at one end of the driving rod 18 extending out of the through hole, a slope 20 is disposed at one end of the locking block 19 close to the notch of the groove 6, a limiting groove 21 cooperatively connected with the locking block 19 is disposed on the inner wall of the groove 6, the shape of the limiting groove 21 is consistent with the locking block 19, a, two ends of the spring 23 are respectively welded and fixed with the locking block 19 and the inner wall of the square groove 22.

When the fixing rod 5 and the groove 6 are connected together, the fixing rod 5 is inserted into the bottommost end along the groove 6, the head of the extrusion rod 15 is conical, the extrusion rod 15 is extruded by the inner wall of the groove 6 and approaches to the two strip-shaped plastic sheets 17, the elastic piece 16 contracts, after the extrusion rod 15 is gradually extruded between the two strip-shaped plastic sheets 17, the two strip-shaped plastic sheets 17 are extruded to two sides by the extrusion rod 15, the extrusion rod 18 can be driven to move towards two sides, the locking block 19 can be pushed towards two sides by the driving rod 18, the locking block 19 can be clamped into the limiting groove 21 and is attached to the inner wall of the limiting groove 21, the two strip-shaped plastic sheets 17 can provide a clamping force for the extrusion rod 15 to prevent the extrusion rod 15 from moving, the fixing rod 5 is connected with the connecting rod 2, when the connecting rod 2 is separated from the fixing rod 5, the key head 3 is held to draw the fixing rod 5 outwards, the inclined plane of laminating with the slope 20 of locking block 19 on the spacing groove 21 will be outwards taken out power conversion and be a decurrent power, just can be with locking block 19 to the one side extrusion that is close to dead lever 5, make locking block 19 retract in square groove 22, locking block 19 will drive actuating rod 18 and move to same direction, actuating rod 18 will drive two strip plastic sheets 17 and be close to each other, two strip plastic sheets 17 will extrude extrusion stem 15, extrusion stem 15 will return the normal position through the elasticity of elastic component 16, just can separate connecting rod 2 and dead lever 5, spring 23 can make actuating rod 18 more stable at the in-process structure that removes, just can accomplish connection and dismantlement between the two through the plug, also can change laminating portion 4 part like this.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a convenient key of dismantling, includes key handle (1), connecting rod (2) and key head (3), the one end and key handle (1) fixed connection of connecting rod (2), be provided with on connecting rod (2) rather than sliding connection's range upon range of portion (4), its characterized in that: be provided with on key head (3) dead lever (5), the one end and key head (3) fixed connection of dead lever (5), the one end that key handle (1) was kept away from in connecting rod (2) is provided with recess (6), the other end of dead lever (5) insert in recess (6) and with recess (6) can be dismantled and be connected, the length of recess (6) and dead lever (5) is unanimous.

2. A key to facilitate removal according to claim 1, wherein: the key head is characterized in that one end, far away from the key head (3), of the fixing rod (5) is provided with two symmetrically distributed convex blocks (7), the inner wall of the groove (6) is provided with a slot (8) for the convex blocks (7) to be inserted into, the bottom wall of the groove (6) is provided with an annular groove (9) for the convex blocks (7) to be rotated into, and the annular groove (9) is communicated with the slot (8).

3. A key to facilitate removal according to claim 2, wherein: the one end that dead lever (5) were kept away from in lug (7) is provided with holding tank (10), be provided with bullet piece (11) in holding tank (10), be provided with reset spring (12) between bullet piece (11) and holding tank (10), be provided with draw-in groove (13) of being connected with bullet piece (11) cooperation on the inner wall of ring channel (9).

4. A key to facilitate removal according to claim 1, wherein: a cavity (14) is arranged in the fixed rod (5), an extrusion rod (15) is arranged in the cavity (14), an opening for extending one end of the extrusion rod (15) is arranged on the fixed rod (5), an elastic piece (16) is arranged between the other end of the extrusion rod (15) and the inner wall of the cavity (14), two symmetrically distributed strip-shaped plastic sheets (17) are arranged in the cavity (14), the strip-shaped plastic sheet (17) is provided with a driving rod (18), the fixing rod (5) is provided with a through hole for the driving rod (18) to extend out, one end of the driving rod (18) extending out of the through hole is provided with a locking block (19), a slope (20) is arranged at one end of the locking block (19) close to the notch of the groove (6), the inner wall of the groove (6) is provided with a limiting groove (21) which is matched and connected with the locking block (19), and the shape of the limiting groove (21) is consistent with that of the locking block (19).

5. A key to facilitate disassembly as claimed in claim 4, wherein: be provided with square groove (22) that are used for holding locking block (19) on dead lever (5), drive and cup jointed spring (23) on pole (18), the both ends of spring (23) respectively with the inner wall fixed connection of locking block (19) and square groove (22).

6. A key to facilitate removal according to claim 1, wherein: the laminated part (4) is provided with a moving groove for the connecting rod (2) to pass through.

7. A key to facilitate removal according to claim 1, wherein: the fixing rod (5) is provided with a sliding block, and the inner wall of the groove (6) is provided with a sliding groove for the sliding block to insert.

8. A key to facilitate removal according to claim 7, wherein: the inner wall of the sliding groove is provided with a universal ball, and the universal ball is attached to the surface of the sliding block.

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