Handle and connecting structure for fixing nut

Abstract

The utility model relates to a handle and a connecting structure of a fixing nut. The lever handle comprises a lever handle body, a lock cylinder body, a shaft sleeve and a panel cover, the lock cylinder body is sleeved with the shaft sleeve, and an assembly hole is formed in the panel cover in a penetrating mode. The shaft sleeve penetrates through an assembly hole of the panel cover and is in threaded connection with a fixing nut, a clamping ring is arranged between the fixing nut and the panel cover, and the shaft sleeve is sleeved with the clamping ring; the clamping ring is connected with the shaft sleeve in a clamped mode and provided with a first clamping block capable of being bent, and the fixing nut is provided with a plurality of first clamping grooves at intervals. After the fixing nut is screwed tightly, the first clamping block is bent and clamped in any one of the first clamping grooves in the fixing nut. The embodiment of the utility model discloses a lever handle, which reduces the precision required by assembly on the premise of ensuring the normal use of the lever handle so as to improve the assembly efficiency and reduce the manufacturing cost.

Description

Technical Field

[0001] The utility model relates to the technical field of handles, in particular to a handle and a connecting structure of a fixing nut. Background Art

[0002] In the prior art, a handle generally includes a lock core control component, a panel cover and a connecting sleeve. A snap ring is provided on the lock core control component, and the snap ring is located outside the panel cover and abuts against the outer end face of the panel cover. The lock core control component includes a lock core body and a sleeve sleeved on the lock core body. A connecting seat is provided at one end of the sleeve away from the panel cover, and the connecting seat is fixedly connected to the handle body. The other end of the sleeve is connected to the panel cover and the connecting sleeve. The snap ring is arranged in a connecting groove on the sleeve. Therefore, the connecting sleeve and the panel cover are restricted between the connecting seat and the snap ring. The snap ring limits each component in the axial direction to ensure the normal operation of the handle. For details, reference can be made to a combined installation structure of a handle lock disclosed in the authorized publication number CN217812833U.

[0003] However, it is found in the actual assembly of the handle that the assembly accuracy requirements of the above structure are extremely high. For example, the assembly accuracy of the distance between the connecting groove on the sleeve and the outer end face of the panel cover is high. If the distance is too large, it is extremely easy to cause the handle to become loose; or if the distance is too small, the snap ring cannot be assembled, and there are areas for improvement. Summary of the Utility Model

[0004] In order to overcome at least one of the above-mentioned defects of the prior art, according to one aspect of the present utility model, a handle is provided, which includes a handle body, a lock core body, a sleeve sleeved on the lock core body and a panel cover. The panel cover is provided with an assembly hole penetrating therethrough;

[0005] The sleeve passes through the assembly hole of the panel cover and is threadedly connected with a fixing nut. A clamping ring is arranged between the fixing nut and the panel cover, and the clamping ring is sleeved on the sleeve;

[0006] The clamping ring is clamped with the sleeve and has a first clamping block that can be bent. The fixing nut is provided with a plurality of first clamping grooves at intervals; when the fixing nut is tightened, the first clamping block is bent and clamped in any one of the first clamping grooves on the fixing nut.

[0007] According to another aspect of the present application, a plurality of first clamping grooves are recessed on the outer circumferential wall of the fixing nut, and a plurality of first clamping blocks are arranged on the outer circumferential wall of the clamping ring.

[0008] According to another aspect of the present application, the plurality of first clamping grooves are evenly distributed on the outer circumferential wall of the fixing nut, the plurality of first clamping blocks are evenly distributed on the outer circumferential wall of the clamping ring, and the number of the first clamping grooves is more than the number of the first clamping blocks.

[0009] According to another aspect of the present application, in the height direction of the fixed nut, the top end of the first card slot extends to the top end of the fixed nut and the bottom end extends to the bottom end of the fixed nut.

[0010] According to another aspect of the present application, a second card slot is recessed on the circumferential outer side of the bushing, and a second card block for engaging with the second card slot is provided on the circumferential inner wall of the snap ring;

[0011] Let the end face of the bushing away from the lock core body be the outer end face, and the second card slot extends to the outer end face of the bushing;

[0012] There are two second card slots, and the two second card slots are symmetrically arranged with respect to the axis of the bushing; there are two second card blocks, and one second card block is engaged in one second card slot.

[0013] According to another aspect of the present application, let the end face of the panel cover facing away from the lock core body be the outer end face. An assembly groove is recessed on the outer end face of the panel cover. The assembly hole is arranged in the assembly groove, and the fixed nut and the snap ring are located in the assembly groove; let the end face of the fixed nut facing away from the snap ring be the outer end face, and the outer end face of the fixed nut does not protrude from the outer end face of the panel cover.

[0014] According to another aspect of the present utility model, a handle is further provided, which includes a handle body, a lock core body, a bushing sleeved on the lock core body, and a panel cover. The panel cover is provided with an assembly hole penetrating therethrough;

[0015] The bushing passes through the assembly hole of the panel cover and is threadedly connected with a fixed nut. A snap ring is arranged between the fixed nut and the panel cover, and the snap ring is sleeved on the bushing;

[0016] The snap ring is engaged with the bushing and has a plurality of first card blocks that can be bent. The fixed nut has a first card slot; when the fixed nut is tightened, any one of the first card blocks is bent and engaged in the first card slot on the fixed nut.

[0017] According to another aspect of the present utility model, a connection structure of a fixed nut is further provided, which includes a fixed nut for connecting with a shaft body and a snap ring sleeved on the shaft body. The snap ring is relatively fixed to the shaft body and has a first card block that can be bent. The fixed nut has a first card slot; when the fixed nut is tightened, the first card block is bent and engaged in the first card slot on the fixed nut.

[0018] According to another aspect of the present application, a plurality of first card slots are recessed on the circumferential outer wall of the fixed nut, and a plurality of first card blocks are arranged on the circumferential outer wall of the snap ring;

[0019] A plurality of the first card slots are evenly distributed on the outer circumference of the fixing nut, and a plurality of the first card blocks are evenly distributed on the outer circumference of the clamping ring. The number of the first card slots is more than that of the first card blocks.

[0020] According to another aspect of the present invention, there is also provided a connection structure of a fixing nut, including a fixing nut for connecting with a shaft body and a clamping ring sleeved on the shaft body. The clamping ring is relatively fixed to the shaft body and has a plurality of bendable first card blocks. The fixing nut has a first card slot; after the fixing nut is tightened, any one of the first card blocks is bent and clamped in the first card slot on the fixing nut.

[0021] To sum up, a handle and a connection structure of a fixing nut provided by the present invention have the following technical effects:

[0022] During assembly, the shaft sleeve can be first passed through the assembly hole of the panel cover, and then the clamping ring is sleeved on the shaft sleeve, and the clamping ring is also clamped with the shaft sleeve. Then the fixing nut is screwed onto the shaft sleeve until the fixing nut is locked on the panel cover; moreover, after the fixing nut is locked, the clamping ring is pressed tightly between the fixing nut and the panel cover. Since the fixing nut is provided with a plurality of first card slots at intervals, there is a position where one of the first card slots and the first card block is aligned. At this time, the first card block can be bent and clamped in the first card slot on the fixing nut. On the premise of ensuring the normal use of the handle, the required assembly precision is reduced to improve the assembly efficiency, and at the same time, the clamping ring can effectively prevent the problem of loosening after the fixing nut is locked. Description of the Drawings

[0023] Figure 1 It is an exploded state diagram of the handle according to an embodiment of the present invention;

[0024] Figure 2 It is an exploded state diagram of the fixing nut and the clamping ring in the handle according to an embodiment of the present invention;

[0025] Figure 3 It is a structural diagram of the lock core body, the shaft sleeve, the fixing nut and the clamping ring in the handle according to an embodiment of the present invention;

[0026] Figure 4 It is a structural diagram of the handle according to an embodiment of the present invention;

[0027] Drawings: 1 - handle body, 2 - lock core body, 3 - shaft sleeve, 31 - second card slot, 4 - panel cover, 41 - assembly hole, 42 - assembly groove, 5 - fixing nut, 51 - first card slot, 6 - clamping ring, 61 - first card block, 62 - second card block. Detailed Embodiments

[0028] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this article are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0031] It is known that the assembly accuracy of the distance between the connecting groove on the bushing in the handle structure in the prior art and the outer end face of the panel cover is high. If this distance is too large, it is extremely easy to cause the handle to become loose; or, if this distance is too small, the snap ring cannot be assembled, which is not conducive to improving the assembly efficiency, and the high assembly accuracy will also increase the manufacturing cost.

[0032] Therefore, the embodiments of the present utility model disclose a handle, which reduces the required accuracy for assembly on the premise of ensuring the normal use of the handle, so as to improve the assembly efficiency and reduce the manufacturing cost.

[0033] It should be noted that this handle specifically refers to a component used to hold and operate doors and windows in door and window hardware, and can be specifically applied to doors and windows; and, the handle can rotate and cooperate with the actuator to realize the locking and opening of the doors and windows.

[0034] The specific structure of this handle can be referred to Figures 1-4 the embodiments shown.

[0035] This handle may specifically include a handle body 1, a lock core body 2, a bushing 3 sleeved on the lock core body 2, and a panel cover 4. The panel cover 4 is provided with an assembly hole 41; the bushing 3 passes through the assembly hole 41 of the panel cover 4 and is threadedly connected with a fixing nut 5. A clamping ring 6 is arranged between the fixing nut 5 and the panel cover 4, and the clamping ring 6 is sleeved on the bushing 3; the clamping ring 6 is clamped with the bushing 3 and has a first clamping block 61 that can be bent. The fixing nut 5 is provided with a plurality of first clamping grooves 51 at intervals; when the fixing nut 5 is tightened, the first clamping block 61 is bent and clamped in any one of the first clamping grooves 51 on the fixing nut 5.

[0036] It can be seen that during assembly, the bushing 3 can first be passed through the assembly hole 41 of the panel cover 4, and then the clamping ring 6 can be sleeved on the bushing 3, and the clamping ring 6 will also be clamped with the bushing 3. Then, the fixing nut 5 can be screwed onto the bushing 3 until the fixing nut 5 is locked on the panel cover 4. Moreover, after the fixing nut 5 is locked, the clamping ring 6 is pressed tightly between the fixing nut 5 and the panel cover 4. Since a plurality of first clamping grooves 51 are arranged at intervals on the fixing nut 5, at this time, there is a position where a first clamping groove 51 and a first clamping block 61 are aligned. At this time, the first clamping block 61 can be bent and clamped in the first clamping groove 51 on the fixing nut 5, reducing the required assembly accuracy on the premise of ensuring the normal use of the handle, so as to improve the assembly efficiency. At the same time, the clamping ring 6 can effectively prevent the problem of loosening after the fixing nut 5 is locked.

[0037] It should be noted that in view of the problem that the existing handle uses the clamping structure of the circlip and the bushing 3 for limiting, which requires extremely high assembly accuracy, during the research and development of this handle, the limit is specifically carried out through the thread fit of the fixing nut 5 and the bushing 3, which can effectively reduce the required assembly accuracy. However, it is found in many research and development tests that the fixing nut 5 is prone to loosening after long-term use. Therefore, a clamping ring 6 is also arranged between the fixing nut 5 and the panel cover 4. The function of the clamping ring 6 is to prevent the fixing nut 5 from loosening after being locked. At the same time, in order to prevent the first clamping block 61 on the clamping ring 6 from interfering with the rotation and locking operation of the fixing nut 5, the first clamping block 61 is specifically set to be a bendable structure. Therefore, when the fixing nut 5 is rotated and locked, the first clamping block 61 can be specifically in a horizontal state with the clamping ring 6. After the fixing nut 5 is locked, the first clamping block 61 can be specifically bent into the first clamping groove 51 with a relatively aligned position. Through the clamping ring 6, it is equivalent to forming a rigid connection whole of the fixing nut 5, the clamping ring 6 and the bushing 3, which can effectively prevent the fixing nut 5 from loosening after being locked.

[0038] In some embodiments, a plurality of first card slots 51 are recessed in the outer circumferential wall of the fixing nut 5, and a plurality of first card blocks 61 are arranged on the outer circumferential wall of the clamping ring 6. By providing a plurality of first card slots 51 and a plurality of first card blocks 61, after the fixing nut 5 is tightened in place, a first card block 61 and a first card slot 51 that can be engaged with each other can be quickly found, so as to improve the assembly efficiency. At the same time, it is also convenient to machine the first card slots 51 on the fixing nut 5 and the first card blocks 61 on the clamping ring 6, so as to reduce the manufacturing cost. In a specific embodiment, the clamping ring 6 and the first card blocks 61 can be integrally formed, such as by injection molding. In a specific embodiment, the plurality of first card slots 51 can be evenly distributed on the outer circumferential wall of the fixing nut 5, and the plurality of first card blocks 61 can be evenly distributed on the outer circumferential wall of the clamping ring 6, and the number of the first card slots 51 is more than the number of the first card blocks 61. Since it is found in actual tests that in fact, as long as a first card block 61 is inserted into a first card slot 51, the fixing nut 5 can be effectively prevented from loosening after being locked. Therefore, after the fixing nut 5 is tightened in place, it is not necessary for a plurality of first card blocks 61 and a plurality of first card slots 51 to be engaged one by one. At the same time, in order to improve the assembly efficiency of the insertion, the number of the first card slots 51 needs to be more than the number of the first card blocks 61, so that the first card block 61 can more quickly find the nearest and insertable first card slot 51. In this embodiment, when a first card block 61 is inserted into a first card slot 51, the other first card blocks 61 and the other first card slots 51 will be misaligned. For details, please refer to Figure 4 . In a specific embodiment, the number of the first card slots 51 is seven, and the number of the first card blocks 61 is six. Such a setting can not only ensure the assembly effect of the insertion, but also ensure the structural strength.

[0039] In some embodiments, in the height direction of the fixing nut 5, the top end of the first card slot 51 extends to the top end of the fixing nut 5 and the bottom end extends to the bottom end of the fixing nut 5. Such a setting is equivalent to providing a vertically penetrating slot structure on the outer circumference of the fixing nut 5. First, the manufacturing cost is low. Second, since the first card blocks 61 on the clamping ring 6 need to be bent, in order to prevent the first card blocks 61 from interfering with the outer circumferential wall of the fixing nut 5 and being unable to be inserted into the first card slots 51, the first card slots 51 can be specifically set as a vertically penetrating structure. After the first card blocks 61 are bent, they can directly enter the first card slots 51, and the structure is simple and easy to implement.

[0040] In some embodiments, a second card slot 31 is concavely provided on the circumferential outer side of the bushing 3, and a second card block 62 that is engaged with the second card slot 31 is provided on the circumferential inner wall of the snap ring 6; the end face of the bushing 3 away from the lock core body 2 is defined as the outer end face, and the second card slot 31 extends to the outer end face of the bushing 3. During assembly, since the second card block 62 is specifically provided on the snap ring 6, in order to more conveniently and quickly sleeved the snap ring 6 on the bushing 3, the second card slot 31 of the bushing 3 specifically extends to the outer end face of the bushing 3, so that the snap ring 6 can be directly sleeved on the bushing 3 along the circumference of the bushing 3, and at the same time, the second card block 62 on the snap ring 6 will also snap into the second card slot 31 of the bushing 3 to realize the engagement function between the snap ring 6 and the bushing 3. In a specific embodiment, there are two second card slots 31, and two second card blocks 62 can also be correspondingly provided. One second card block 62 is engaged in one second card slot 31, which can disperse the acting force at the engagement structure to prevent damage to the engagement structure. In still another specific embodiment, the two second card slots 31 can be symmetrically arranged with respect to the axis of the bushing 3, and the two second card blocks 62 are symmetrically arranged on the snap ring 6 correspondingly. First, the structure is simple and convenient for manufacturing and production; second, the acting force at the engagement structure is better dispersed.

[0041] In some embodiments, the end face of the panel cover 4 facing away from the lock core body 2 is defined as the outer end face, and an assembly groove 42 is concavely provided on the outer end face of the panel cover 4. The assembly hole 41 is provided in the assembly groove 42, and the fixing nut 5 and the snap ring 6 are located in the assembly groove 42. Since in actual assembly, this handle needs to be assembled on doors and windows, and the space inside the existing doors and windows is not large, the volume of the handle itself needs to be controlled as much as possible. Therefore, in order to reduce the space occupied by this handle, an assembly groove 42 is concavely provided on the outer end face of the panel cover 4, and the assembly positions of the fixing nut 5 and the snap ring 6 are moved to the assembly groove 42, which can well reduce the occupied space. In a specific embodiment, the end face of the fixing nut 5 facing away from the snap ring 6 is defined as the outer end face, and the outer end face of the fixing nut 5 does not protrude from the outer end face of the panel cover 4, which can further reduce the occupied space.

[0042] In some embodiments, the materials of the snap ring 6, the first card block 61 and the second card block 62 can be plastic, and the three can be integrally injection molded.

[0043] The embodiment of the present invention also discloses a door and window system, including the above-mentioned handle. Therefore, this door and window system can also reduce the required assembly accuracy on the premise of ensuring the normal use of the handle, so as to improve the assembly efficiency and reduce the manufacturing cost.

[0044] An embodiment of the present utility model also discloses a handle different from the above embodiments, including a handle body 1, a lock core body 2, a bushing 3 sleeved on the lock core body 2, and a panel cover 4. The panel cover 4 is provided with an assembly hole 41 therethrough; the bushing 3 passes through the assembly hole 41 of the panel cover 4 and is threadedly connected with a fixing nut 5. A clamping ring 6 is arranged between the fixing nut 5 and the panel cover 4, and the clamping ring 6 is sleeved on the bushing 3; the clamping ring 6 is clamped with the bushing 3 and has a plurality of bendable first clamping blocks 61, and the fixing nut 5 has a first clamping groove 51; when the fixing nut 5 is tightened, any one of the first clamping blocks 61 is bent and clamped in the first clamping groove 51 on the fixing nut 5. The difference of this embodiment is that the clamping ring 6 has a plurality of first clamping blocks 61, and the fixing nut 5 has a first clamping groove 51. Therefore, when in use, after the fixing nut 5 is locked, the clamping ring 6 is pressed tightly between the fixing nut 5 and the panel cover 4. Since the clamping ring 6 has a plurality of first clamping blocks 61, there is a position where one of the first clamping blocks 61 is aligned with the first clamping groove 51. At this time, the first clamping block 61 can be bent and clamped in the first clamping groove 51 on the fixing nut 5, which can reduce the required precision for assembly to improve the assembly efficiency while ensuring the normal use of the handle. At the same time, the clamping ring 6 can effectively prevent the problem of loosening after the fixing nut 5 is locked.

[0045] An embodiment of the present utility model also discloses a connection structure of the fixing nut 5. The connection structure of the fixing nut 5 can be specifically applied to the handle in the above embodiments, but can also be specifically applied to other application scenarios as long as the fixing nut 5 is used, such as doors and windows fixed by the fixing nut 5 or sliding guide rails and guide wheels on the doors and windows.

[0046] For specific reference, Figure 2 , the connection structure of the fixing nut 5 specifically includes a fixing nut 5 for connecting with the shaft body and a clamping ring 6 sleeved on the shaft body. The clamping ring 6 is relatively fixed with the shaft body and has bendable first clamping blocks 61, and the fixing nut 5 has a first clamping groove 51; when the fixing nut 5 is tightened, the first clamping block 61 is bent and clamped in the first clamping groove 51 on the fixing nut 5.

[0047] In multiple R & D tests, it was found that the fixing nut 5 is prone to looseness after long-term use. Therefore, a clamping ring 6 that matches the fixing nut 5 in use is also provided on the fixing nut 5. The function of the clamping ring 6 is to prevent the fixing nut 5 from loosening after being locked. At the same time, in order to prevent the first clamping block 61 on the clamping ring 6 from interfering with the operation of rotating and locking the fixing nut 5, the first clamping block 61 is specifically set to be a bendable structure. Therefore, when the fixing nut 5 is rotated for locking operation, the first clamping block 61 can be specifically in a horizontal state with the clamping ring 6. When the fixing nut 5 is locked, the first clamping block 61 can be specifically bent into one of the first clamping grooves 51 with aligned positions. Through the clamping ring 6, it is equivalent to forming a rigid connection whole of the fixing nut 5, the clamping ring 6 and the shaft body, which can effectively prevent the fixing nut 5 from loosening after being locked.

[0048] It should be noted that a relatively fixed structure will be formed between the clamping ring 6 and the shaft body, and this relatively fixed structure can be achieved through different implementation manners. For example, the clamping ring 6 can be specifically clamped on the shaft body to form a relatively fixed structure; or, for another example, the clamping ring 6 can be specifically fixed on other external workpieces, and a relatively fixed structure between the clamping ring 6 and the shaft body can also be formed. The fixing structure between the clamping ring 6 and other external workpieces includes but is not limited to clamping, welding or bonding.

[0049] In some embodiments, the above-mentioned shaft body can be specifically the shaft sleeve 3 in the above-mentioned embodiments. Or, in some other embodiments, the above-mentioned shaft body can also be specifically a threaded shaft body in other application scenarios.

[0050] In some embodiments, a plurality of first card slots 51 are recessed in the outer circumferential wall of the fixing nut 5, and a plurality of first engaging blocks 61 are provided on the outer circumferential wall of the engaging ring 6. By providing a plurality of first card slots 51 and a plurality of first engaging blocks 61, when the fixing nut 5 is tightened in place, it is possible to quickly find a first engaging block 61 and a first card slot 51 that can be engaged with each other, so as to improve the assembly efficiency. At the same time, it is also convenient to machine the first card slots 51 on the fixing nut 5 and the first engaging blocks 61 on the engaging ring 6, so as to reduce the manufacturing cost. In a specific embodiment, the engaging ring 6 and the first engaging blocks 61 can be integrally formed, such as by injection molding. In a specific embodiment, the plurality of first card slots 51 can be evenly distributed on the outer circumferential wall of the fixing nut 5, and the plurality of first engaging blocks 61 can be evenly distributed on the outer circumferential wall of the engaging ring 6, and the number of the first card slots 51 is more than the number of the first engaging blocks 61. Since it is found in actual tests that in fact, as long as one first engaging block 61 is inserted into one first card slot 51, it can effectively prevent the fixing nut 5 from loosening after being tightened. Therefore, when the fixing nut 5 is tightened in place, it is not necessary for a plurality of first engaging blocks 61 and a plurality of first card slots 51 to be engaged one by one. At the same time, in order to improve the assembly efficiency of the insertion, the number of the first card slots 51 needs to be more than the number of the first engaging blocks 61, so that the first engaging block 61 can more quickly find the nearest and insertable first card slot 51. In this embodiment, when one first engaging block 61 is inserted into one first card slot 51, the other first engaging blocks 61 and the other first card slots 51 will be misaligned. For details, please refer to Figure 4 . In a specific embodiment, the number of the first card slots 51 is seven, and the number of the first engaging blocks 61 is six. With such a setting, both the effect of the insertion assembly can be ensured, and the structural strength can also be ensured.

[0051] The embodiment of the present utility model also discloses a connection structure of the fixing nut 5 different from the above embodiment. The connection mechanism of the fixing nut 5 in this embodiment specifically includes a fixing nut 5 for connecting with the shaft body and an engaging ring 6 sleeved on the shaft body. The engaging ring 6 is relatively fixed to the shaft body and has a plurality of first engaging blocks 61 that can be bent. The fixing nut 5 has a first card slot 51; when the fixing nut 5 is tightened, any one of the first engaging blocks 61 is bent and engaged in the first card slot 51 on the fixing nut 5. The difference in this embodiment is that the engaging ring 6 has a plurality of first engaging blocks 61, and the fixing nut 5 has a first card slot 51. Therefore, when in use, after the fixing nut 5 is tightened, one of the first engaging blocks 61 can be specifically bent into the first card slot 51 with a relatively aligned position. Through the engaging ring 6, it is equivalent to forming a rigid connection body of the fixing nut 5, the engaging ring 6 and the shaft body, and it can also effectively prevent the fixing nut 5 from loosening after being tightened.

[0052] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present utility model.

Claims

1. A handle, characterized in that, It includes a handle body (1), a lock core body (2), a bushing (3) sleeved on the lock core body (2), and a panel cover (4). The panel cover (4) is provided with an assembly hole (41) penetrating therethrough; The bushing (3) passes through the assembly hole (41) of the panel cover (4) and is threadedly connected with a fixing nut (5). A clamping ring (6) is arranged between the fixing nut (5) and the panel cover (4), and the clamping ring (6) is sleeved on the bushing (3); The clamping ring (6) is clamped with the bushing (3) and has a first clamping block (61) that can be bent. The fixing nut (5) is provided with a plurality of first clamping grooves (51) at intervals; when the fixing nut (5) is tightened, the first clamping block (61) is bent and clamped in any one of the first clamping grooves (51) on the fixing nut (5).

2. The handle according to claim 1, characterized in that, A plurality of first clamping grooves (51) are recessed on the outer circumferential wall of the fixing nut (5), and a plurality of first clamping blocks (61) are arranged on the outer circumferential wall of the clamping ring (6).

3. A handle according to claim 2, characterized in that, A plurality of the first clamping grooves (51) are evenly distributed on the outer circumferential wall of the fixing nut (5), and a plurality of the first clamping blocks (61) are evenly distributed on the outer circumferential wall of the clamping ring (6). The number of the first clamping grooves (51) is more than the number of the first clamping blocks (61).

4. A handle according to any one of claims 1 to 3, characterized in that In the height direction of the fixing nut (5), the top end of the first clamping groove (51) extends to the top end of the fixing nut (5) and the bottom end extends to the bottom end of the fixing nut (5).

5. A handle according to any one of claims 1 - 3, characterized in that, A second clamping groove (31) is recessed on the outer circumferential side of the bushing (3), and a second clamping block (62) that is clamped with the second clamping groove (31) is arranged on the inner circumferential wall of the clamping ring (6); Let the end face of the bushing (3) away from the lock core body (2) be the outer end face, and the second clamping groove (31) extends to the outer end face of the bushing (3); There are two second clamping grooves (31), and the two second clamping grooves (31) are symmetrically arranged with respect to the axis of the bushing (3); there are two second clamping blocks (62), and one second clamping block (62) is clamped in one second clamping groove (31).

6. A handle according to any one of claims 1 to 3, characterized in that, Let the end face of the panel cover (4) facing away from the lock core body (2) be the outer end face. An assembly groove (42) is recessed on the outer end face of the panel cover (4). The assembly hole (41) is arranged in the assembly groove (42). The fixing nut (5) and the clamping ring (6) are located in the assembly groove (42); let the end face of the fixing nut (5) facing away from the clamping ring (6) be the outer end face, and the outer end face of the fixing nut (5) does not protrude from the outer end face of the panel cover (4).

7. A handle, characterized in that, It includes a handle body (1), a lock core body (2), a bushing (3) sleeved on the lock core body (2), and a panel cover (4). The panel cover (4) is provided with an assembly hole (41) penetrating therethrough; The bushing (3) passes through the assembly hole (41) of the panel cover (4) and is threadedly connected with a fixing nut (5). A clamping ring (6) is arranged between the fixing nut (5) and the panel cover (4), and the clamping ring (6) is sleeved on the bushing (3); The snap ring (6) is snap-connected to the bushing (3) and has a plurality of bendable first snap blocks (61), and the fixing nut (5) has a first slot (51); after the fixing nut (5) is tightened, any one of the first snap blocks (61) is bent and snap-connected into the first slot (51) on the fixing nut (5).

8. A connecting structure for a fixing nut, characterized in that It includes a fixing nut (5) for connecting to the shaft body and a snap ring (6) sleeved on the shaft body. The snap ring (6) is relatively fixed to the shaft body and has bendable first snap blocks (61), and the fixing nut (5) has a first slot (51); after the fixing nut (5) is tightened, the first snap blocks (61) are bent and snap-connected to the first slot (51) on the fixing nut (5).

9. The connecting structure of a fixing nut according to claim 8, characterized in that, A plurality of first slots (51) are recessed in the outer circumferential wall of the fixing nut (5), and a plurality of first snap blocks (61) are provided on the outer circumferential wall of the snap ring (6). The plurality of first slots (51) are evenly distributed on the outer circumferential wall of the fixing nut (5), and the plurality of first snap blocks (61) are evenly distributed on the outer circumferential wall of the snap ring (6), and the number of the first slots (51) is more than the number of the first snap blocks (61).

10. A connecting structure for a fixing nut, characterized in that, It includes a fixing nut (5) for connecting to the shaft body and a snap ring (6) sleeved on the shaft body. The snap ring (6) is relatively fixed to the shaft body and has a plurality of bendable first snap blocks (61), and the fixing nut (5) has a first slot (51); after the fixing nut (5) is tightened, any one of the first snap blocks (61) is bent and snap-connected into the first slot (51) on the fixing nut (5).

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