TWM629828U - Quick release structure of stop cover of lock core - Google Patents

Abstract

The present invention provides a quick-release structure for a stop cover of a lock core, which includes: a lock core, which has a transmission shaft, and the end of the transmission shaft is provided with a first guide part and a set of connecting holes; the set of connecting holes is provided with an elastic element and a limit element; a stop cover, the inner edge of which is provided with a second guide part corresponding to the first guide part; and the stop cover is provided with a connection hole corresponding to the limit element; One of the first guide part and the second guide part is configured with a through groove and a ring groove; and the other is a slider corresponding to the through groove and the ring groove; After the slider is inserted into the through groove, it can be rotated in the ring groove, and when the stop cover is rotated until the limit element is aligned with the connection hole, the limit element is positioned, which can be done without additional tools. When the assembly is completed, and when it needs to be disassembled, it is only necessary to push the limiting element away from the connection hole through any needle-shaped tool, and then the stop cover can be reversely rotated, and the slider can be released from the through groove and the ring groove. The stop cover is removed; therefore, it is obvious that the stop cover can be easily and quickly disassembled with only a little rotation, and there is no need to use special or special tools in the process, which can facilitate the replacement and assembly of the lock core.

Description

Quick release structure of stop cover of lock core

This creation is a quick-release structure of the stopper cover of the lock core, especially a kind of quick release structure of the stopper cover to the lock core with only a little rotation, and does not require the use of special or special tools.

Press, locks are usually installed on the objects used for switching, so as to achieve the effect of anti-theft and control through the lock of the lock or not; and for the setting of locks, most of them are related to the switch objects, such as: The outer end of the door body is equipped with a lock core for the key to be inserted and unlocked, and the inner end is provided with a knob that is convenient for users to open; wherein, the lock core is assembled and transmitted to the lock body to control the opening of the lock body. If the lock is closed, if there is no key matching the lock core, the lock core cannot be rotated to unlock.

As for the transmission of the lock core to the lock body, a driving plate is usually arranged at the end of the lock core, so that the lock core is driven to switch the lock body through the transmission to the driving plate; wherein, for the positioning of the driving plate, the conventional system A micro-adjustment nut can be locked by a thread at the end of the lock core; a spring and a positioning pin are arranged at the end of the lock core, and a through-hole is formed on the edge of the through-hole to correspond to the micro-adjustment nut. In the teeth of the positioning pin, since the through hole needs to correspond to the position of the positioning pin, the hole diameter is larger, and the fine-tuning nut needs to be locked through multiple rotations, so it is necessary to install a so that when the fine-tuning nut is rotated and locked, the driving plate can be positioned axially.

However, in the conventional configuration of the fine-tuning nut and the driving plate, first of all, in terms of its disassembly and assembly, the fine-tuning nut needs to be rotated about 5 to 6 turns before it can be locked or detached from the thread provided on the lock core. , and due to the engagement between the positioning pin and the teeth, when the fine-tuning nut rotates, it must be equipped with a tool corresponding to the teeth to apply force to rotate the fine-tuning nut, all of which lead to inconvenience when disassembling the set , and the process is more complicated.

Secondly, as mentioned above, in order to cope with the larger hole diameter and the pressing and positioning of the driving plate, the configuration of the washer is a necessary structure, otherwise the driving plate will not be able to be positioned; During quantitative production, additional manufacturing, inventory, management and installation are required, which will lead to an increase in the overall cost and affect the overall efficiency during assembly.

In view of this, the author specially researched and improved the disassembly and assembly configuration of the lock core and its fine-tuning nut, hoping to improve the above problems with a better creation, and after long-term research and development and continuous testing, this creation has been come out.

Yes, this creation is to solve the aforementioned problems. In order to achieve the above purpose, our creators provide a quick-release structure for a stopper cover of a lock core, which includes: a lock core, which has a transmission shaft, and the end of the transmission shaft is A first guide part is provided, and the transmission shaft is axially eccentrically provided with a set of connecting holes; the bottom of the set of connecting holes is sequentially provided with an elastic element and a limiting element; and a stop cover, the inner edge of which is There is a second guide part corresponding to the first guide part; and the stop cover is provided with at least one connection hole corresponding to the limiting element; and the first guide part and the second guide When the connecting parts are assembled with each other, the limiting element is correspondingly assembled with the connecting hole by the elastic force of the elastic element; and one of the first guiding part and the second guiding part is arranged There is a through groove and a ring groove, the through groove is arranged parallel to the axial direction of the lock core, the annular groove is radially recessed and communicated with the through groove; and the other is corresponding to the through groove and the ring The slider of the groove; wherein, in the process of installing the stop cover on the lock core, the slider first passes through the through groove and enters the ring groove along the axial direction, and then rotates the stop cover to make The slider moves in the ring groove.

According to the above-mentioned quick-release structure of the stop cover of the lock core, the stop cover is configured such that when the through groove is located on the slider, the connecting hole is not located on the limiting element.

According to the quick-release structure of the locking cover of the lock core, a receiving portion is further provided at the end face of the end of the transmission shaft, and the set of connecting holes is located at the receiving portion.

According to the above-mentioned quick-release structure of the locking cover of the lock core, it further includes a driving element, which has a transmission part and a driving block, the transmission part is correspondingly arranged on the receiving part, and the transmission part is arranged on the rotating part. The direction corresponds to the connecting surface driven by the limiting element.

According to the quick-release structure of the stop cover of the lock core, the stop cover is further provided with a through hole corresponding to the driving block.

According to the above-mentioned quick-release structure of the stopper cover of the lock core, the limiting element is further provided with a positioning portion whose outer diameter is smaller than that of the limiting element at the end opposite to the elastic element, and the diameter of the connecting hole is smaller than that of the limiting element. It corresponds to the positioning portion and is smaller than the limiting element.

According to the quick-release structure of the locking cover of the lock core, a stepped surface is formed between the limiting element and the positioning portion.

According to the above-mentioned quick release structure of the locking cover of the lock core, the slider is formed by dotting, punching or block forming.

According to the quick-release structure of the locking cover of the lock core, the locking cover is provided with two of the connecting holes, and the connecting holes are arranged opposite each other.

According to the above-mentioned quick-release structure of the stop cover of the lock core, in the process of installing the stop cover on the lock core, the slider passes through the through groove along the axial direction and enters the ring groove. , the rotation angle of the stop cover is not more than 360 degrees during the process of rotating the stop cover to the limit element corresponding to the connection hole.

From the above description and settings, it is obvious that this creation mainly has the following advantages and effects, which are described in detail as follows:

1. In this creation, through the arrangement of the first guide part and the second guide part, and the configuration of the limit element and the connection hole, the stop cover can be installed on the lock core with only a slight rotation. And when the stop cover is to be detached, it is only necessary to use any tool with a pointed tip to push the limiting element out of the connection hole, and the stop cover can also be removed by a slight rotation. Convenience in disassembly, in order to facilitate the replacement and assembly of the lock core.

2. The stop cover of this creation can directly position the driving element in the axial direction without the need to set up a washer, so it can reduce the overall manufacturing cost of this creation and improve the efficiency of disassembly.

This creation is a quick-release structure for the locking cover of the lock core. Its implementation means, characteristics and effects are described in detail below by citing several preferred feasible embodiments and accompanying drawings for the purpose of further understanding and approval. This creation.

First of all, please refer to Figures 1 to 3. This creation is a quick-release structure for a stopper cover of a lock core, which includes:

A lock core 1 has a bushing 11 and a transmission shaft 12. It can be known that the transmission shaft 12 can be rotated in the bushing 11 in an unlocked state. The end of the transmission shaft 12 is provided with a first guide portion 13, and the transmission shaft 12 is axially eccentrically formed with a set of connecting holes 14; the connecting holes 14 are sequentially provided with an elastic element 141 from the bottom thereof. and a limiting element 142; and

A stop cover 2 has a second guide portion 21 corresponding to the first guide portion 13 on its inner edge; wherein, one of the first guide portion 13 and the second guide portion 21 is It is configured with a through groove 131 and a ring groove 132, the through groove 131 is arranged parallel to the axial direction of the lock core 1, the annular groove 132 is radially recessed and communicated with the through groove 131; Corresponding to the slider 211 of the through groove 131 and the ring groove 132 , in this embodiment, the first guide portion 13 is arranged on the lock core 1 and the second guide portion 21 is arranged on the stop cover 2 for example. It is explained, but not limited by this, in other embodiments, the first guide portion 13 can also be arranged on the stop cover 2, and the second guide portion 21 can be arranged on the lock core 1; among them, the slider 211 As far as the forming setting is concerned, in one embodiment, the slider 211 can be formed by dotting, punching, or directly forming a block. It is an example, not a limitation. In addition, the stop cover 2 is provided with at least one connecting hole 22 corresponding to the limiting element 142 ; and when the first guiding portion 13 and the second guiding portion 21 are assembled with each other, the The element 142 is correspondingly assembled with the connecting hole 22 by the elastic force of the elastic element 141 .

Therefore, as shown in FIG. 4 , when the stop cover 2 needs to be installed on the lock core 1 , the slider 211 of the second guide portion 21 of the stop cover 2 is aligned with the through groove 131 . As shown in FIG. 5, when the slider 211 is assembled at the junction of the through groove 131 and the annular groove 132, the limiting element 142 is not assembled with the connecting hole 22, so that the It does not cause positioning, so as shown in FIG. 4 and FIG. 5, in terms of its specific configuration, when the through groove 131 is positioned opposite to the slider 211, the connecting hole 22 is not aligned. Located on the limiting element 142 , as shown in FIG. 5 , since the connecting hole 22 is not aligned with the limiting element 142 at this time, the limiting element 142 will be pressed by the wall surface of the stop cover 2 . The elastic element 141 is elastically compressed, so the stop cover 2 is not positioned but can still move. By rotating the stop cover 2, the slider 211 can be rotated in the ring groove 132, so that the slider 211 is not As shown in FIG. 6 , when the stop cover 2 is rotated until the connecting hole 22 is positioned on the limiting element 142 , the connecting hole 22 will be aligned with the limiting element 142 , so that the The limiting element 142 can be positioned corresponding to the connecting hole 22 , thereby positioning the stopper cover 2 on the lock core 1 , and cannot be displaced by force; on the contrary, when the lock core 1 needs to be replaced, the stopper cover 2 must be detached At this time, it is only necessary to directly push the limiting element 142 through a tool with a pointed tip, so that the limiting element 142 is separated from the connecting hole 22 so as not to interfere with the rotation of the stop cover 2. At this time, the stop cover 2 can be rotated to The sliding block 211 is positioned in the through groove 131, so that the stopper cover 2 can be axially moved to remove it from the lock core 1; therefore, with the arrangement of the present invention, the stopper cover 2 can be rotated within one circle at most, The positioning and removal operations can be easily and quickly completed, and in this embodiment, two connecting holes 22 are drilled through the stop cover 2, and the connecting holes 22 are arranged opposite to each other, so It can be quickly disassembled and assembled within 45 degrees of rotation, so the assembly process and time cost can be greatly reduced, so as to improve the efficiency and convenience of this creation in manufacturing and subsequent disassembly, but the rotation angle is not 45 degrees. The rotation angle can be less than 360 degrees, less than 45 degrees or between 45 and 360 degrees.

In addition, the side of the stop cover 2 opposite to the lock core 1 is further provided with at least one positioning portion 212 , and the positioning portion 212 corresponds to the slider 211 , so that when the stop cover 2 is installed on the When the lock core 1 is used, the relative position of the sliding block 211 can be known through the positioning portion, so that the sliding block 211 can be aligned with the through groove 131 to facilitate assembly.

In addition, regarding the assembly between the limiting element 142 and the connecting hole 22 , when the limiting element 142 is assembled with the connecting hole 22 , the limiting element 142 does not completely penetrate through the connecting hole 22 to be disengaged. It is known that the limiting element 142 needs to be directly or indirectly connected with the connecting hole 22 or the elastic element 141 to have a related assembly configuration to achieve the aforementioned purpose; and in this embodiment, it is through the limiting element. 142 is further provided with a positioning portion 143 whose outer diameter is smaller than that of the limiting element 142 at the end opposite to the elastic element 141 , and the diameter of the connecting hole 22 corresponds to the positioning portion 143 and is smaller than the limiting element 142 . Thereby, the positioning portion 143 is assembled in the connecting hole 22, and the limiting element 142 can be placed on the inner wall surface of the stop cover 2 because of its larger outer diameter, so as to form the assembly therebetween; Preferably, a stepped surface 144 is formed between the limiting element 142 and the positioning portion 143 , so that when the positioning portion 143 is assembled with the connecting hole 22 , the bottom of the stepped surface 144 abuts on the inner wall surface of the stop cover 2 . In order to form its positioning, and prevent the limiting element 142 from penetrating through the connecting hole 22 .

According to the arrangement of the present invention, it can be adapted to various types of lock cores 1, as shown in Fig. 1, Fig. 7 and Fig. 8, and if it needs to be installed with a driving element driven by the limiting element 142 When the lock core 1 of 3 is configured, as in the embodiment shown in Figures 1 to 6, at this time, a receiving portion 15 can be further provided at the end face of the end of the transmission shaft 12 of the lock core 1, and the set of receiving holes 14 is located at the receiving portion 15, so that the limiting element 142 can drive the driving element 3 in the rotational direction; specifically, the driving element 3 has a transmission portion 31 and a driving block 32, and the The transmission part 31 is correspondingly disposed on the receiving part 15 , and the transmission part 31 is provided with a transmission surface 311 correspondingly driven by the limiting element 142 in the rotation direction; and the stop cover 2 is further provided with a corresponding The through hole 23 of the driving block 32 allows the driving block 32 to extend through the stop cover 2, so that it can be driven by a lock body (not shown) to be unlocked or locked by the rotation of the lock core 1 The transmission arrangement with the lock body belongs to the conventional technology, so it will not be repeated here. Therefore, when the assembly is required, the driving block 32 can be penetrated behind the through hole 23, that is, As mentioned above, the installation of the stop cover 2 can be completed, and the driving element 3 can be positioned at the same time.

Further, in order to facilitate the receiving and positioning of the driving element 3 , in this embodiment, the configuration of the receiving portion 15 can be arranged in an axial recess of the transmission shaft 12 , thereby forming a positioning at the peripheral edge of the receiving portion 15 . the wall 16, and the transmission part 31 can be provided in a sheet shape corresponding to the contour formed between the positioning wall 16 and the limiting element 142, so that the transmission part 31 can be properly supported by the positioning wall 16, and is connected to the transmission shaft 12. During rotation, the limiting element 142 can be rotated and transmitted to the transmission portion 31, and then the driving element 3 can be rotated to unlock or lock the lock body; The annular grooves 132 are connected to each other; and it can be known that, in order to allow the stop cover 2 to position the transmission portion 31 in the axial direction, the entire driving element 3 cannot be protruded from the through hole 23. At the same time, the driving block 32 needs to be The lock body is driven by the rotation of the transmission shaft 12, so the through hole 23 can be slightly larger than the outline of the driving block 32, and needs to be smaller or not corresponding to the outline of the transmission part 31, so that the transmission part 31 cannot pass through the through hole 23 Therefore, in this embodiment, the driving block 32 is arranged in a slightly plate-like shape, and a tapered portion 33 is formed at the position close to the transmission portion 31, and the through hole 23 is arranged in a slightly rectangular shape on the outer contour, A circular hole corresponding to the tapered portion 33 is formed at the center thereof, so that after the driving block 32 penetrates the stop cover 2, the tapered portion 33 is located at the circular hole, so that the driving element 3 is driven by the drive block 32. When the shaft 12 is driven to rotate, it is not interfered by the stopper cover 2; however, the foregoing is only an example, and is not intended to be a limitation; and with the configuration of this embodiment, the driving element 3 can be positioned quickly and effectively, so there is no need to By configuring the washer as conventionally known, it can reduce the overall manufacturing cost of this creation and improve the efficiency of disassembly.

Looking at the above, the technical means disclosed in this creation are not only unprecedented, but also can achieve the expected purpose and effect, so they are both novel and progressive, and they are indeed new and infallible under the patent law. In terms of structure, it has indeed met the statutory requirements of the Patent Law, and an application for a new type patent can be filed in accordance with the law.

However, the above are only the preferred embodiments of this creation, and should not be used as a limitation on the scope of implementation of this creation. within the scope of this creative patent.

1: lock heart 11: Bushing 12: Drive shaft 13: The first lead part 131: Through slot 132: Ring groove 14: Assembly hole 141: Elastic element 142: Limit element 143: Positioning Department 144: Step Surface 15: Undertaking Department 16: Positioning the wall 2: stop cover 21: The second lead part 211: Slider 212: Positioning Department 22: Connection hole 23: Through hole 3: drive element 31: Transmission Department 32: Drive block 33: Taper

Figure 1 is a three-dimensional schematic diagram of this creation. Figure 2 is a three-dimensional exploded schematic diagram of this creation. Figure 3 is a three-dimensional schematic view of the stop cover of this creation from another angle. Figure 4 is a perspective exploded schematic view of the invention when the locking cover is installed with the stopper cover and the slider pair is located in the through groove. Figure 5 is a three-dimensional schematic diagram of the invention when the sliders are aligned and assembled into the through grooves. FIG. 6 is a perspective view of rotating the stop cover based on FIG. 5 so that the limiting element is assembled to the connecting hole. Fig. 7 is a three-dimensional schematic diagram of the present invention with another form of lock core. Fig. 8 is a three-dimensional schematic diagram of the present invention with another form of lock core.

1: lock heart

11: Bushing

12: Drive shaft

143: Positioning Department

2: stop cover

212: Positioning Department

22: Connection hole

23: Through hole

3: drive element

32: Drive block

33: Taper

Claims (10)

A quick-release structure for a stop cover of a lock core, comprising: A lock core has a transmission shaft, the end of the transmission shaft is provided with a first guide portion, and the transmission shaft is axially eccentrically provided with a set of contact holes; the bottom of the set of contact holes is sequentially provided with an elastic element and a limiting element; and a stop cover, the inner edge of which is provided with a second guide part corresponding to the first guide part; and the stop cover is provided with at least one connection hole corresponding to the limit element; When the guiding part and the second guiding part are assembled with each other, the limiting element is correspondingly assembled in the connecting hole by the elastic force of the elastic element; And one of the first guide part and the second guide part is configured with a through groove and a ring groove, the through groove is arranged parallel to the axial direction of the lock core, and the ring groove is radially concave and communicate with the through groove; the other is corresponding to the through groove and the slider of the annular groove; Wherein, in the process of installing the stop cover on the lock core, the slider first passes through the through groove and enters the ring groove along the axial direction, and then rotates the stop cover to make the slider in the move in the ring groove. The quick-release structure of the stopper cover of the lock core according to claim 1, wherein the stopper cover is configured such that when the through groove is located opposite to the slider, the connecting hole is not located opposite to the limiting element . The quick-release structure of the locking cover of the lock core according to claim 1, wherein a receiving portion is further provided at the end face of the end of the transmission shaft, and the set of receiving holes is located at the receiving portion. The quick-release structure of the locking cover of the lock core according to claim 3 further comprises a driving element, which has a transmission part and a driving block, the transmission part is correspondingly arranged on the receiving part, and the transmission part is provided with Correspondingly driven by the connecting surface of the limiting element in the rotation direction. The quick-release structure of the stop cover of the lock core according to claim 4, wherein the stop cover is further provided with a through hole corresponding to the driving block. The quick release structure of the locking cover of the lock core according to any one of claim 1 to claim 5, wherein the limiting element is further provided with an outer diameter smaller than that of the limiting element at the end opposite to the elastic element. A positioning portion, and the diameter of the connecting hole corresponds to the positioning portion and is smaller than that of the limiting element. The quick-release structure of the locking cover of the lock core according to claim 6, wherein a step surface is formed between the limiting element and the positioning portion. The quick-release structure for the stopper cover of the lock core according to any one of claim 1 to claim 5, wherein the slider is formed by spotting, punching or block forming. The quick-release structure for the stop cover of the lock core according to any one of claim 1 to claim 5, wherein the stop cover is provided with two connecting holes, and the connecting holes are opposite to each other setter. The quick-release structure of the stop cover of the lock core according to claim 1, wherein, during the process of installing the stop cover on the lock core, the slider passes through the through groove along the axial direction and enters the ring After the slot is installed, the rotation angle of the stop cover is not greater than 360 degrees during the process of rotating the stop cover to the corresponding assembly of the limiting element to the connecting hole.

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