CN211974650U - Novel telescopic key - Google Patents

Abstract

The utility model discloses a novel scalable key aims at solving the inconvenient problem of use of transferring out from the holding tank of key body. The key points of the technical scheme are as follows: the utility model provides a novel scalable key, including key handle and key pole, the key handle includes epipleural and lower side plate, be formed with the cavity that holds the key pole between epipleural and the lower side plate, logical groove has been seted up to the both sides of key handle, the one end of key pole is provided with rolling gear, the last pivot that is provided with of rolling gear, the pivot is connected with the inner wall rotation of epipleural and lower side plate, rolling gear's top is provided with the top that meshes with it and pushes away the ratch, the one end that pushes away the ratch is connected with the ejector pin pole, the inside of key handle is provided with and supplies to push away the gliding. The utility model discloses a novel scalable key can solve the key pole and need not rotate through driving motor with the hand alright use of rolling out by oneself.

Description

Novel telescopic key

Technical Field

The utility model relates to an articles for daily use technical field, more specifically say, it relates to a novel scalable key.

Background

The key is a main tool for unlocking, and the key must be carried when people go out. Most keys are sheet metal and the unlocking portion is a metal strip with serrations, which easily scrapes the objects put together and the key lever itself is damaged by the impact. The number of foldable keys is also infinite, but the existing foldable keys have no mechanical linkage in the opening process and poor opening hand feeling, so that the hand feeling of a user is poor when the user uses the keys.

In view of the above problems, a foldable key disclosed in chinese patent publication No. CN209482874U includes a key holder and a key handle, the key holder includes a holder body and a handle, a receiving groove is formed in the holder body, the handle is detachably connected to one end of the holder body, and a key body pivotally connected to the other end of the holder body and rotatable about a pivot point and then placed in the receiving groove.

The key body of above-mentioned scheme can use the pivot point to place in the storage tank after rotating as the center and accomodate, but when the key body was accomodate and is gone into in the storage tank, again with the key body from the storage tank roll-out but the hand is more oily again, this folding key just very inconvenient user rolls out the key body with the hand and uses.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel scalable key, rotate on the rolling gear who sets up through the key pole in the key handle for the key pole is followed the logical groove roll-out use of key handle both sides, makes things convenient for the key pole not need with the hand alright roll-out use.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel scalable key, includes key handle and key pole, the key handle includes epipleural and lower side plate, be formed with the cavity that holds the key pole between epipleural and the lower side plate, logical groove has been seted up to the both sides of key handle, the one end of key pole is provided with rolling gear, the last pivot that is provided with of rolling gear, the pivot with the inner wall of epipleural and lower side plate rotates and connects, rolling gear's top is provided with the top that meshes mutually with it and pushes away the ratch, the one end that pushes away the ratch is connected with the ejector pin pole, the inside of key handle is provided with and supplies to push away the gliding spout of ratch.

By adopting the technical scheme, when the key rod needs to be transferred from the key handle for unlocking, a user can push the push rod to enable the push rod to push the push tooth rod to slide in a chute arranged in the key handle, so that the rotating gear meshed with the push tooth rod starts to rotate on the push tooth rod, and the rotating gear is rotatably connected with a rotating shaft arranged between an upper side plate and a lower side plate of the key handle, thereby realizing the rotation of the rotating gear in the key handle, driving the key rod arranged at one side of the rotating gear far away from the push tooth rod to rotate along with the rotation of the rotating gear, enabling the key rod to be transferred out of the key handle through grooves arranged at two sides of the key handle for use, facilitating the user to transfer out the key rod for use without directly transferring the key rod out of the key handle by hands, and providing great convenience for the user to transfer out a key, the key rod made of the zirconia material has the breaking strength of more than 1200MPa, the wear resistance of 60 times that of a metal material, the fracture toughness of 8MPa m and the hardness of more than 12GPa, although the breaking strength is much higher than that of a common metal material, the surface is smooth due to polishing treatment, the abrasion caused by the contact between the key handle and the key rod is less than one third of that of a key made of the metal material, and the service life of the key is prolonged.

The utility model discloses further set up to: one end of the ejector rod is connected with a rotating mechanism used for driving the ejector rod, an accommodating cavity used for accommodating the rotating mechanism is formed in the outer side of the key handle, and the rotating mechanism comprises a rotating motor, a rotating plate and a driving rod.

Through adopting above-mentioned technical scheme, when the user will be with key lever roll-out motor when external, as long as the drive rotates the motor, the rotor plate with the output shaft who rotates the motor begins to rotate, thereby the rotation of rotor plate drives the actuating lever and stretches out and draws back, the actuating lever can promote the ejector pin with actuating lever fixed connection simultaneously, thereby realize that ejector pin drives the inside key lever roll-out of key handle and unblanks, close and rotate the motor, the rotor plate stall, ejector pin stops to promote the key lever and rotates, and convenient for operation, and can not swing at will when the key lever unblanks.

The utility model discloses further set up to: and two ends of the pushing rack rod are provided with limiting blocks, and the limiting blocks are meshed with the rotating gear.

By adopting the technical scheme, when the key lever is rotated out of the key handle, the rotating gear is meshed with the limiting block arranged at one end of the pushing toothed rod, so that the key lever cannot swing randomly when rotated out of the key handle to influence unlocking of a user, the key lever cannot swing when the key handle is unlocked, and the key lever is stable in structure and not easy to damage.

The utility model discloses further set up to: the inside of stopper is provided with the dead slot, be provided with the pressure spring in the dead slot.

Through adopting above-mentioned technical scheme, when the running gear meshes with the stopper mutually, can extrude the pressure spring in the stopper for elastic contact between running gear and the stopper, and can not make the stopper warp because of the rigid contact between running gear and the stopper, increase the life of stopper, increased the life of key rod simultaneously.

The utility model discloses further set up to: an arc-shaped groove which is matched with the key rod in a rotating way is arranged in the key handle.

By adopting the technical scheme, the arc-shaped groove is made of rubber with better elasticity, so that the key rod is not in direct contact with the inside of the key handle when rotating, the top of the key rod is abraded, the service life of the key rod is prolonged, and a user can conveniently rotate the key rod out of the key handle for use.

The utility model discloses further set up to: the one end that leads to the groove is provided with the baffle, the baffle rotates with the one end of key handle to be connected, the other end of baffle is provided with the arc recess, the other end of key handle is provided with the lug with arc recess complex.

Through adopting above-mentioned technical scheme, when the user need rotate the key lever and use, separate the baffle in the key handle outside and key handle and just can rotate out the key lever from the logical groove in key handle both sides, when need not use the key lever, realize fixedly with the arc recess on the baffle and the lug looks block in the key handle outside to the realization is to accomodating of key lever.

The utility model discloses further set up to: and the contact surface of the rotating gear and the rotating shaft is coated with a wear-resistant coating.

Through adopting above-mentioned technical scheme, the running gear can rub with the pivot mutually at the pivoted in-process, can increase frictional force running gear after using for a long time and can cause the situation of changeing motionless, has coated at the contact surface of running gear and pivot and has scribbled wear-resisting coating for running gear and pivot are difficult to the quilt wearing and tearing at the rotation in-process, thereby have prolonged running gear's life.

The utility model discloses further set up to: the outer side of the key handle is provided with an anti-skid bulge.

Through adopting above-mentioned technical scheme, when the user takes out the key handle and uses, the non-slip raised that the key handle outside set up can increase the frictional force between hand and the key handle, prevents that the user from droing from the hand when launching the key handle and causing unnecessary trouble.

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

when the key rod needs to be rotated out of the key handle for unlocking, the pushing rod is pushed, so that the pushing rack rod slides in a sliding groove arranged in the key handle, the rotating gear starts to rotate on the pushing rack rod, the key rod is driven to rotate along with the rotation of the rotating gear, the key rod can be rotated out of the key handle through the through groove for use, and when the key rod is rotated out of the key handle, the rotating gear is meshed with a limiting block arranged at one end of the pushing rack rod, so that the key rod cannot swing randomly when rotated out of the key handle to influence unlocking of a user, and the key rod cannot swing when the key handle is unlocked, and is stable in structure and difficult to damage;

and secondly, the rotating motor is driven to rotate, so that the rotating plate starts to rotate to drive the driving rod to stretch, meanwhile, the driving rod can push a push rod fixedly connected with the driving rod, the push rod pushes the push rod to push the push rod to drive the rotating gear to rotate, meanwhile, the key rod is driven to rotate out of the key handle to be used, the rotating motor is turned off, the rotating plate stops rotating, the push rod stops pushing the key rod to rotate, the rotating gear stops rotating at the same time, and the key rod cannot swing randomly when being unlocked.

Drawings

Fig. 1 is a perspective view of a novel retractable key of the present invention, which is mainly used for showing the structure of a key handle and a key rod;

fig. 2 is a sectional view of the novel retractable key of the present invention, which is mainly used to show the internal structure of the key handle.

In the figure: 1. a key handle; 2. a key lever; 3. anti-skid projections; 4. a rotating gear; 5. pushing the push rod; 6. A rotating shaft; 7. a limiting block; 8. a pushing rack bar; 9. an upper side plate; 10. a lower side plate; 11. a through groove; 12. A baffle plate; 13. an arc-shaped groove; 14. a bump; 15. a cavity; 16. an accommodating chamber; 17. a chute; 18. An arc-shaped slot; 19. an empty groove; 20. a pressure spring; 21. a rotating plate; 22. a drive rod.

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.

A novel telescopic key, as shown in figures 1 and 2, comprises a key handle 1 and a key rod 2, wherein the outer side of the key handle 1 is provided with an anti-slip bulge 3 for preventing the key handle 1 from falling off from a hand, so as to increase the friction force between the hand and the key handle 1, the key handle 1 comprises an upper side plate 9 and a lower side plate 10, a cavity 15 capable of accommodating the key rod 2 is formed between the upper side plate 9 and the lower side plate 10, both sides of the key handle 1 are provided with through grooves 11 for facilitating the key rod 2 to rotate out, the key rod 2 is provided with a rotating gear 4 for driving the key rod 2 between the upper side plate 9 and the lower side plate 10, the key rod 2 is fixed on one side of the rotating gear 4, the rotating gear 4 is rotatably connected with the upper side plate 9 and the lower plate through a rotating shaft 6, the contact surface of the rotating gear 4 and the rotating shaft 6 is coated with an abrasion-resistant coating for reducing the abrasion between the rotating gear 4 and the rotating shaft 6, one end of the pushing toothed bar 8 is connected with a pushing rod 5 capable of driving the pushing toothed bar 8, two ends of the pushing toothed bar 8 are fixed with limit blocks 7 meshed with the rotating gear 4, a hollow groove 19 for placing a pressure spring 20 is formed in each limit block 7, one end of the interior of the key handle 1 is provided with a sliding groove 17 for sliding the pushing toothed bar 8, and the other end of the interior of the key handle 1 is provided with an arc-shaped groove 18 in rotating fit with the key rod 2; the one end of logical groove 11 of key handle 1 is provided with the baffle 12 that is used for preventing that key pole 2 from independently rolling out, baffle 12 is articulated with the one end of key handle 1, the other end of baffle 12 is provided with arc recess 13, the other end of key handle 1 is provided with lug 14 with arc recess 13 complex, arc recess 13 and lug 14 cooperate the block, be connected with the slewing mechanism who is used for driving ejector pin 5 in the one end of ejector pin 5, slewing mechanism places in the chamber 16 that holds that key handle 1 one end set up, and slewing mechanism is including rotating the motor, rotor plate 21 and actuating lever 22, rotor plate 21 and the output shaft who rotates the motor.

When a user normally uses the telescopic key, the rotary motor in the accommodating cavity 16 is driven, the rotary plate 21 connected with the output shaft of the rotary motor starts to rotate, the rotary plate 21 rotates to drive the drive rod 22 to extend and retract in the accommodating cavity 16, meanwhile, the drive rod 22 can push the push rod 5 fixedly connected with the drive rod 22, so that the push rod 5 drives the push tooth rod 8 to slide in the chute 17 arranged in the key handle 1, meanwhile, the rotary gear 4 meshed with the push tooth rod 8 starts to rotate on the push tooth rod 8, the rotary gear 4 is rotatably connected with the rotating shaft 6 arranged between the upper side plate 9 and the lower side plate 10 of the key handle 1, the rotary gear 4 rotates in the key handle 1, the rotary gear 4 rotates to drive the key rod 2 to rotate leftwards or rightwards, and simultaneously, the key rod 2 and the arc-shaped chute 18 made of rubber material and arranged at one end of the key handle 1 elastically slide, the key rod 2 can be rotated out of the key handle 1 for use through the through grooves 11 formed in the two sides of the key handle 1, when the key rod 2 is rotated out of the key handle 1, the rotating motor is turned off, the rotating plate 21 stops rotating, and the pushing rod 5 stops pushing the pushing toothed rod 8, so that the rotating gear 4 cannot drive the key rod 2 to rotate, and the rotating gear 4 is meshed with the limiting block 7 arranged at one end of the pushing toothed rod 8, so that the key rod 2 cannot swing randomly when rotated out of the key handle 1 to influence unlocking of a user; when the key is not used, the arc-shaped groove 13 on the baffle plate 12 is clamped with the convex block 14 on the outer side of the key handle 1 to realize fixation, so that the key rod 2 is stored, and a user does not need to rotate the key rod 2 out of the key handle 1 with hands to use, so that the condition that the key is not convenient to rotate out due to hand oil or other problems can be prevented, and the user can conveniently drive the motor to rotate out of the key rod 2 to use; the wear-resistant coating is coated on the contact surface of the rotating gear 4 and the rotating shaft 6, so that the rotating gear 4 and the rotating shaft 6 are not easily worn in the rotating process, the service life of the rotating gear 4 is prolonged, the hollow groove 19 is formed in the limiting block 7, the pressure spring 20 is arranged in the hollow groove 19, the rotating gear 4 is high in elasticity when being abutted against the limiting block 7, and the limiting block 7 cannot be easily damaged due to rigid contact between the rotating gear 4 and the limiting block 7; the key rod 2 is made of a zirconium oxide material, a pre-sintered zirconium oxide ceramic block with a ruler of 1.1-1.4 is prepared, then the zirconium oxide ceramic block is sintered, a blank body is placed in a box type high-temperature resistance furnace to be sintered at 1400-1600 ℃, heat preservation is carried out for 1-5 hours, then polishing is carried out, and finally the zirconium oxide key is completed, wherein the zirconium oxide key has the advantages that the breaking strength can reach more than 1200MPa, the wear resistance is 60 times of that of a metal material, the fracture toughness can reach 8MPa m, the hardness is more than 12GPa, although the zirconium oxide key is much higher than that of a common metal material, the surface is smooth due to polishing treatment, the wear generated by contact between the key handle 1 and the key rod 2 is one third less than that of the key made of the metal material, and the service life of the key is prolonged.

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 novel scalable key, includes key handle (1) and key pole (2), key handle (1) includes epipleural (9) and lower side plate (10), be formed with cavity (15) that hold key pole (2) between epipleural (9) and lower side plate (10), logical groove (11), its characterized in that have been seted up to the both sides of key handle (1): the one end of key lever (2) is provided with running gear (4), be provided with pivot (6) on running gear (4), pivot (6) with the inner wall of epipleural (9) and lower side plate (10) rotates to be connected, the top of running gear (4) is provided with the top that meshes with it and pushes away ratch (8), the one end that pushes away ratch (8) is connected with ejector pin (5), the inside of key handle (1) is provided with supplies to push away gliding spout (17) of ratch (8).

2. The novel retractable key as claimed in claim 1, wherein: the one end of ejector pin (5) is connected with and is used for the drive the slewing mechanism of ejector pin (5), the outside of key handle (1) is provided with and is used for placing slewing mechanism's chamber (16) that holds, slewing mechanism is including rotating motor, rotor plate (21) and actuating lever (22).

3. The novel retractable key as claimed in claim 1, wherein: the two ends of the pushing rack rod (8) are provided with limiting blocks (7), and the limiting blocks (7) are meshed with the rotating gear (4).

4. A novel retractable key as defined in claim 3, wherein: an empty groove (19) is formed in the limiting block (7), and a pressure spring (20) is arranged in the empty groove (19).

5. The novel retractable key as claimed in claim 1, wherein: an arc-shaped groove (18) which is rotationally matched with the key rod (2) is arranged in the key handle (1).

6. The novel retractable key as claimed in claim 1, wherein: the key is characterized in that a baffle (12) is arranged at one end of the through groove (11), the baffle (12) is rotatably connected with one end of the key handle (1), an arc-shaped groove (13) is formed in the other end of the baffle (12), and a convex block (14) matched with the arc-shaped groove (13) is arranged at the other end of the key handle (1).

7. The novel retractable key as claimed in claim 1, wherein: the contact surface of the rotating gear (4) and the rotating shaft (6) is coated with a wear-resistant coating.

8. The novel retractable key as claimed in claim 1, wherein: the outer side of the key handle (1) is provided with an anti-skid bulge (3).

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