Rotary locking push switch lock

Abstract

The rotary locking push switch lock comprises an upper lock body and a lower lock body, the upper lock body comprises a main body, a locking piece, a first elastic reset piece and a panel, a sliding cavity is formed in the main body, an opening is formed in the outer side wall of the main body, the locking piece is arranged in the sliding cavity in a sliding mode in the radial direction of the main body, and the locking piece is provided with a spring bolt; a through hole is formed in the side, facing the lower lock body, of the main body and communicates with the sliding cavity, and the first elastic reset piece is arranged in the sliding cavity and abuts against the locking piece. A retaining ring is arranged on the lower lock body in the axial direction of the body in an extending mode, and when the retaining ring is inserted into the through hole, the spring bolt extends out of the through hole and is clamped with the retaining ring. The panel is coaxially and rotatably arranged on one side, back to the lower lock body, of the main body; the panel is provided with an annular anti-skid groove and a sliding groove which are arranged around the central shaft, and the sliding groove extends in the radial direction of the main body; a sliding shaft is arranged on the locking piece; the sliding shaft is slidably arranged in the anti-skid groove. Accidental unlocking can be prevented, the locking stability is guaranteed, and meanwhile the dynamic and artistic sense is achieved.

Description

Technical Field

[0001] The invention relates to a luggage lock, in particular to a rotary locking push switch lock. Background Art

[0002] Traditional locks used to fasten bags and luggage generally consist of a lock button, a lock seat, a spring and other components. By pressing the lock button, the internal mechanism of the lock seat is triggered to connect and unlock, and the bag is closed and opened. However, in daily life, sometimes the button is accidentally touched, causing the button to slip and cause accidental unlocking, which can easily cause property loss. At the same time, the appearance of traditional bag locks is not novel, and the structure is relatively simple, which cannot meet customers' needs for locks with artistic and unique appearance. Summary of the invention

[0003] The object of the present invention is to provide a push switch lock which can prevent accidental unlocking, ensure the stability of locking, and has a dynamic and artistic sense of rotation locking.

[0004] In order to achieve the above-mentioned purpose, the push switch lock with rotation locking provided by the present invention comprises an upper lock body and a lower lock body, the upper lock body comprises a main body, a locking piece, a first elastic return piece and a panel, the main body is provided with a sliding cavity, the outer side wall of the main body is provided with an opening for the locking piece to protrude, the locking piece is slidably arranged in the sliding cavity along the radial direction of the main body, and the locking piece has a lock tongue; the main body is provided with a through hole on one side facing the lower lock body, the through hole is communicated with the sliding cavity, the first elastic return piece is arranged in the sliding cavity and abuts against the locking piece to provide an elastic force for the lock tongue to extend out of the through hole; a buckle ring is provided on the lower lock body extending along the axial direction of the main body, and the buckle ring is inserted into the When the locking member is engaged with the through hole, the locking tongue extends out of the through hole and engages with the buckle; the panel is coaxially and rotatably arranged on the side of the main body facing away from the lower lock body; the panel is provided with an annular anti-slip groove and a sliding groove arranged around the central axis, and the sliding groove extends along the radial direction of the main body; a sliding shaft is provided on the locking member; the sliding shaft is slidably arranged in the anti-slip groove; when the panel is rotated so that the sliding groove is opposite to the sliding shaft, the locking member is pressed to make the sliding shaft slide in the sliding groove, so that the locking tongue withdraws from the buckle, thereby unlocking the lower lock body; when the panel is rotated so that the sliding groove and the sliding shaft are misaligned, the locking member is locked and immobilized, thereby locking the lower lock body.

[0005] Compared with the prior art, the present invention provides a locking member and a first elastic reset member in the sliding cavity of the main body, and a buckle ring is provided on the lower lock body, and the buckle ring is engaged or released by the locking member, so that the upper body and the lower body can be locked or released with each other. In addition, a sliding shaft is provided on the locking member, and a sliding groove and an anti-slip groove are provided on the panel, and the panel is rotatably provided on the main body, so that when the sliding groove is directly opposite to the sliding shaft, the locking member can be pressed to release the lower lock body, and vice versa, when the anti-slip groove is directly opposite to the sliding shaft, the locking member is limited so that the locking member cannot be pressed to slide, thereby locking the locked state of the lower lock body. Therefore, the locking member can be prevented from being accidentally unlocked by the rotation operation of the panel, thereby preventing the lower lock body from being accidentally unlocked, and ensuring the stability of the lock. At the same time, since the panel can rotate freely on the main body, it can provide the user with hand activities in spare time, which is entertaining. The rotation brings a certain sense of movement and art to the user, thereby improving the user experience of the bag.

[0006] The locking member includes a locking portion and a pressing portion, both of which are arranged in the sliding cavity and abut against each other under the action of the first elastic reset member; the locking tongue is arranged on the locking portion; the outer side of the main body is provided with an opening communicating with the sliding cavity, and one end of the pressing portion extends out of the opening. By dividing the locking member into a locking portion and a pressing portion, and arranging the locking tongue on the locking portion, the locking member can be processed more simply and assembled very conveniently.

[0007] Specifically, the front end of the locking part is located on both sides of the locking tongue and is provided with a limiting column protruding therefrom, and the front end of the pressing part is provided with a pressing end protruding therefrom. When the locking part is combined with the pressing part, a containing frame is formed between the limiting column and the pressing end, and the locking tongue extends out of the containing frame, and the containing frame is directly opposite to the through hole. By providing the limiting column, a containing frame can be formed between the locking part and the pressing part for the buckle to be inserted to achieve locking or releasing.

[0008] Preferably, the panel is provided with a circular ring platform, the anti-skid groove is provided on the outer circumference of the circular ring platform, and at least one concave pit is provided on the outer side of the circular ring platform, and the concave pit is connected with the anti-skid groove to form the sliding groove. By providing the circular ring platform, the sliding shaft can be blocked from moving when it is in the anti-skid groove, thereby achieving the purpose of locking the locking member and effectively preventing the locking member from being accidentally unlocked. When the sliding shaft is in the sliding groove, the shaft can be released, thereby achieving the purpose of making the locking member slidable and unlocking the locking member. It has a simple structure and is very convenient to operate.

[0009] Preferably, a central hole penetrating the upper and lower ends is provided in the middle of the main body, an internal threaded ring is provided in the center of the panel, and the panel also has a threaded disc, one end of which passes through the central hole of the main body and is threadedly connected to the internal threaded ring of the panel, so that the threaded disc and the panel clamp the main body and are rotatably arranged relative to the main body. By providing the threaded disc, and when the threaded disc and the panel clamp the main body together, the threaded disc and the panel are threadedly connected, so that the panel and the threaded disc can be axially fixed on the main body and circumferentially rotatable, so that the locking or unlocking operation of the locking member can be realized, the structure is simple, the operation is ingenious, and the artistic sense of opening and closing the lock is improved.

[0010] A ball bearing is arranged between the panel and the main body, so that the panel can rotate more easily and smoothly relative to the main body, thereby improving the operation feel and the operation performance.

[0011] Specifically, a plurality of ball grooves are circumferentially arranged around the central axis on one side of the panel facing the main body, and when the panel rotates, the balls are selectively stuck in the ball grooves. By arranging the balls in the ball grooves, the balls can jump from one ball groove to another ball groove when the panel rotates relative to the main body, and a clear and rhythmic pleasant sound can be emitted when the panel rotates, achieving the effect of relieving pressure or relieving emotions.

[0012] Specifically, a receiving hole is provided on the main body, the ball is arranged in the receiving hole, a second elastic reset member is provided in the receiving hole, and the second elastic reset member allows the ball to be clamped into the ball groove. In this way, the ball can smoothly perform elastic transition between different ball grooves, so that the ball can stably cooperate with the ball groove without loosening left and right or front and back, and the instantaneous rebound effect of the elastic force can be used to make the ball collide with the panel, thereby generating a crisp sound, thereby improving the operation effect.

[0013] Preferably, a marking block is provided on the surface of the panel at a position directly opposite to the sliding groove, so that the user can quickly rotate the panel to the unlocked position, thereby improving the convenience of operation.

[0014] Preferably, the lower lock body includes a base and a bottom plate, the buckle is arranged on the base, a stud extends from the base, and the bottom plate is connected to the stud by screws and forms a gap with the edge of the base. In this way, the lower lock body can be conveniently installed on the leather of the bag by using the gap, thereby improving the convenience of installation and the aesthetics after assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional view of the push switch lock with rotation locking of the present invention.

[0016] Figure 2 It is a top perspective view of the rotary locking push switch lock of the present invention after being unlocked.

[0017] Figure 3 It is a bottom-up stereoscopic view of the rotary locking push switch lock of the present invention after being unlocked.

[0018] Figure 4 It is an exploded view of the upper lock body of the push switch lock with rotation locking of the present invention.

[0019] Figure 5 It is a diagram showing the internal structure of the upper lock body of the push switch lock with rotational locking according to the present invention.

[0020] Figure 6 It is a structural diagram of the panel of the push switch lock with rotation locking of the present invention and the sliding shaft.

[0021] Figure 7 It is an exploded view of the lower lock body of the rotary twist lock of the present invention.

[0022] Figure 8 The diagram is a diagram of the internal state of the upper lock body of the rotary locking push switch lock of the present invention when unlocking. DETAILED DESCRIPTION

[0023] In order to explain the technical content, structural features and achieved effects of the present invention in detail, the following is a detailed description in conjunction with the implementation methods and the accompanying drawings.

[0024] like Figures 1 to 6As shown, the rotary locking push switch lock 100 of the present invention comprises an upper lock body 1 and a lower lock body 2, wherein the upper lock body 1 comprises a main body 11, a locking member 12, a first elastic reset member 13 and a panel 14, wherein the main body 11 is in a circular structure, and the panel 14 is also in a circular structure. A sliding cavity 111 is provided on one side of the main body 11, and the locking member 12 is slidably arranged in the sliding cavity 111 along the radial direction of the main body 11. An opening 112 is provided on the outer wall of the main body 11, and the opening 112 is communicated with the sliding cavity 111, and the opening 112 is used for the locking member 12 to protrude. The locking member 12 has a locking tongue 1211; a through hole 113 is provided on one side of the main body 11 facing the lower lock body 2, and the through hole 113 is communicated with the sliding cavity 111, and the central axis direction of the through hole 113 is perpendicular to the sliding direction of the locking member 12. The first elastic reset member 13 is arranged in the sliding cavity 111 and abuts against the locking member 12 to provide an elastic force to make the lock tongue 1211 extend out of the through hole 113; the first elastic reset member 13 is a compression spring. Specifically, the locking member 12 has two legs 123, and the two legs 123 are slidably arranged on both sides of the sliding cavity 111. The number of the first elastic reset members 13 is two, which respectively abut against the two sides of the locking member 12 to balance the force of the locking member 12. A buckle ring 21 is provided on the lower lock body 2 along the axial extension of the main body 11, and the buckle ring 21 has a lock hole 211, and the central axis direction of the lock hole 211 is perpendicular to the extension direction of the buckle ring 21. When the buckle ring 21 is inserted into the through hole 113, the lock tongue 1211 extends out of the through hole 113 and engages with the lock hole 211 of the buckle ring 21. The panel 14 is coaxially and rotatably arranged on the side of the main body 11 facing away from the lower lock body 2. The inner bottom of the panel 14 is provided with an annular anti-slip groove 141 and a sliding groove arranged around the central axis, and the sliding groove extends along the radial direction of the main body 11; the locking member 12 is provided with a sliding shaft 1221; the sliding shaft 1221 is slidably arranged in the anti-slip groove 141; when the panel 14 is rotated to make the sliding groove and the sliding shaft 1221 face each other, the locking member 12 is pressed to make the sliding shaft 1221 slide in the sliding groove, so that the locking tongue 1211 withdraws from the buckle 21, thereby unlocking the lower lock body 2; when the panel 14 is rotated to make the sliding groove and the sliding shaft 1221 misaligned, the locking member 12 is locked and immovable, thereby locking the lower lock body 2.

[0025] Please see again Figures 4 to 6The locking member 12 includes a locking portion 121 and a pressing portion 122, and the locking portion 121 and the pressing portion 122 are arranged separately from each other and are combined together when in use. The locking portion 121 and the pressing portion 122 are both arranged in the sliding cavity 111, and abut against each other under the action of the first elastic return member 13; the locking tongue 1211 is arranged in the locking portion 121. One end of the pressing portion 122 extends out of the opening 112. By dividing the locking member 12 into the locking portion 121 and the pressing portion 122, and arranging the locking tongue 1211 in the locking portion 121, the locking member 12 can be made simpler to process and very convenient to assemble. The front end of the locking portion 121 is located on both sides of the locking tongue 1211 and is protrudingly provided with a limiting column 1212, and the front end of the pressing portion 122 is protrudingly provided with a pressing end 1222. When the locking portion 121 and the pressing portion 122 are combined, a containing frame 12a is formed between the limiting column 1212 and the pressing end 1222, and the locking tongue 1211 extends out of the containing frame 12a, and the containing frame 12a is directly opposite to the through hole 113. By providing the limiting column 1212, a containing frame 12a can be formed between the locking portion 121 and the pressing portion 122 for inserting the buckle 21 to achieve locking or unlocking.

[0026] Please see again Figure 6 , the panel 14 is provided with a circular platform 142, the anti-slip groove 141 is arranged on the outer circumference of the circular platform 142, and at least one pit 1421 is arranged on the outer side of the circular platform 142. In this embodiment, the number of the locked sliding shafts 1221 is two, and the number of the pits 1421 is also two. The pits 1421 are connected with the anti-slip groove 141 to form the sliding groove. By providing the circular platform 142, the sliding shaft 1221 can be blocked from moving when the sliding shaft 1221 is in the anti-slip groove 141, thereby achieving the purpose of locking the locking member 12 and effectively preventing the locking member 12 from being accidentally unlocked. When the sliding shaft 1221 is in the sliding groove, the sliding shaft 1221 can be released, thereby achieving the purpose of making the locking member 12 slidable and realizing the unlocking of the locking member 12. It has a simple structure and is very convenient to operate. A plurality of positioning recesses are disposed around the center on the bottom surface of the anti-slip groove 141 , and the positioning recesses can position the sliding shaft 1221 .

[0027] Please see again Figure 6The main body 11 is provided with a central hole 114 passing through the upper and lower ends in the middle, and an internal threaded ring 143 is provided at the center of the panel 14. The panel 14 also has a threaded disc 144. One end of the threaded disc 144 passes through the central hole 114 of the main body 11 and is threadedly connected with the internal threaded ring 143 of the panel 14, so that the threaded disc 144 and the panel 14 clamp the main body 11 and are rotatably arranged relative to the main body 11. By providing the threaded disc 144, and when the threaded disc 144 and the panel 14 clamp the main body 11 together, the threaded disc 144 and the panel 14 are threadedly connected, so that the panel 14 and the threaded disc 144 can be axially fixed on the main body 11 and circumferentially rotatable, so that the locking member 12 can be locked or unlocked. The structure is simple, the operation is ingenious, and the artistic sense of opening and closing the lock is improved. A rubber ring 144 and a rubber ring 145 disposed inside the rubber ring 144 are further disposed between the threaded disc 144 and the internal threaded ring 143 .

[0028] Please see again Figure 4 and Figure 6 , a ball 15 is provided between the panel 14 and the main body 11. By providing the ball 15, the panel 14 can be rotated more easily and smoothly relative to the main body 11, thereby improving the operation feel and operation performance. Specifically, a plurality of ball grooves 146 are evenly provided circumferentially around the central axis on the side of the panel 14 facing the main body 11, and when the panel 14 rotates, the ball 15 is selectively stuck in the ball groove 146. In this embodiment, the number of the ball 15 is two, which are respectively arranged on both sides of the main body 11. By arranging the ball 15 in the ball groove 146, the ball 15 can jump from one ball groove 146 to another ball groove 146 when the panel 14 rotates relative to the main body 11, and can emit a clear and rhythmic pleasant sound when the panel 14 rotates, thereby achieving the effect of relieving pressure or relieving emotions. Specifically, two accommodating holes 115 corresponding to the balls 15 are provided on the main body 11, and the balls 15 are arranged in the accommodating holes 115. A second elastic reset member 16 is provided in the accommodating hole 115, and one end of the second elastic reset member 16 is connected to the balls 15, and the other end abuts against the inner bottom surface of the accommodating hole 115. The second elastic reset member 16 enables the balls 15 to be stuck in the ball grooves 146. The second elastic reset member 16 is a compression spring. In this way, the balls 15 can smoothly perform elastic transitions between different ball grooves 146, which can not only make the balls 15 stably cooperate with the ball grooves 146 without loosening left and right or front and back, but also can utilize the instantaneous rebound effect of the elastic force to make the balls 15 collide with the panel 14, thereby generating a crisp sound and improving the operating effect.

[0029] See also Figure 4 A marking block 147 is provided at a position on the surface of the panel 14 that is directly opposite to the sliding groove. This makes it convenient for the user to quickly rotate the panel 14 to the unlocked position, thereby improving the convenience of operation.

[0030] See also Figure 2 and Figure 7 The lower lock body 2 includes a base 22 and a bottom plate 23, the buckle 21 is arranged on the base 22, a stud 221 extends from the base 22, and the bottom plate 23 is connected to the stud 221 by screws and forms a gap with the edge of the base 22. In this way, the lower lock body 2 can be conveniently installed on the leather of the bag by using the gap, improving the convenience of installation and the aesthetics after assembly.

[0031] See also Figure 2 and Figure 4 The main body 11 includes an upper shell 11a and a cover plate 11b. There is a certain gap between the edge of the upper shell 11a and the cover body, thereby forming a groove 11c. The groove 11c faces away from the opening 112. The edge of the upper shell 11a extends a stud 11d into the groove 11c. When the cover plate 11b covers the bottom surface of the upper shell 11a, the stud 11d is connected by screws to fix the cover plate 11b to the upper shell 11a. In this way, the upper lock body 1 can be conveniently installed on the leather of the bag by utilizing the gap, thereby improving the convenience of installation and the aesthetics after assembly. The surface of the upper shell 11 is also provided with an elongated hole 11e corresponding to the sliding shaft 1221. The sliding shaft 1221 passes through the elongated hole 11e and is inserted into the anti-slip groove 141.

[0032] Combining the above and Figure 5 and Figure 8 The working principle of the rotary locking push switch lock 100 of the present invention is described in detail below:

[0033] When locking is required, the panel 14 is first rotated so that the marking block 147 corresponds to the pressing end 1222 of the locking member 12. At this time, the sliding shaft 1221 on the locking member 12 is facing the sliding groove. At this time, the buckle 21 of the lower lock body 2 is inserted into the through hole 113, and the lock tongue 1211 is engaged with the buckle 21 under the action of the first elastic reset member 13. Afterwards, the panel 14 is rotated so that the marking block 147 is misaligned with the pressing end 1222, so that the sliding groove is misaligned with the sliding shaft 1221, and then the locking member 12 is restricted by the side wall of the circular ring stage 142 of the panel 14 to prevent it from sliding accidentally. At this time, locking is completed. When the lock needs to be released, the panel 14 is first rotated so that the marking block 147 is opposite to the pressing end 1222. At this time, the sliding shaft 1221 on the locking member 12 is opposite to the sliding groove again. Then, the pressing portion 122 is pressed to push the locking portion 121 to move and compress the first elastic return member 13. At this time, the locking tongue 1211 on the locking portion 121 withdraws from the through hole 113 and the buckle 21, and then the buckle 21 is released. After that, it is only necessary to make the buckle 21 leave the through hole 113. At this time, the lower lock body 2 leaves the upper lock body 1 to unlock the bag.

[0034] Compared with the prior art, the present invention provides a locking member 12 and a first elastic return member 13 in the sliding cavity 111 of the main body 11, and a buckle 21 is provided on the lower lock body 2. The locking member 12 is used to engage or release the buckle 21, so that the upper main body 11 and the lower main body 11 can be locked or released with each other. Furthermore, by providing a sliding shaft 1221 on the locking member 12, and providing a sliding groove and an anti-slip groove 141 on the panel 14, the panel 14 is rotatably arranged on the main body 11, so that when the sliding groove and the sliding shaft 1221 are directly opposite, the locking member 12 can be pressed to release the lower lock body 2, and vice versa, when the sliding groove and the sliding shaft 1221 are misaligned, the locking member 12 is limited so that the locking member 12 cannot be pressed and slid, thereby locking the locked state of the lower lock body 2. Therefore, the locking member 12 can be prevented from being accidentally unlocked by the rotation operation of the panel 14, thereby preventing the lower lock body 2 from being accidentally unlocked, and ensuring the stability of the lock. At the same time, since the panel 14 can be freely rotated on the main body 11, it can provide users with hand activity operations in their spare time, which has a certain entertainment value, and the rotation brings a certain sense of movement and art to the user, thereby improving the user experience of the bag.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A push switch lock with rotation locking, characterized in that: The lock body comprises an upper lock body and a lower lock body, the upper lock body comprises a main body, a locking piece, a first elastic reset piece and a panel, the main body is provided with a sliding cavity, the outer side wall of the main body is provided with an opening for the locking piece to protrude, the locking piece is slidably arranged in the sliding cavity along the radial direction of the main body, and the locking piece has a locking tongue; a through hole is provided on the side of the main body facing the lower lock body, the through hole is communicated with the sliding cavity, the first elastic reset piece is arranged in the sliding cavity and abuts against the locking piece to provide an elastic force for the locking tongue to extend out of the through hole; a buckle ring is provided on the lower lock body extending along the axial direction of the main body, and when the buckle ring is inserted into the through hole, the locking tongue extends out of the through hole. The through hole is engaged with the buckle; the panel is coaxially and rotatably arranged on the side of the main body facing away from the lower lock body; the panel is provided with an annular anti-slip groove and a sliding groove arranged around the central axis, and the sliding groove extends along the radial direction of the main body; a sliding shaft is provided on the locking member; the sliding shaft is slidably arranged in the anti-slip groove; when the panel is rotated so that the sliding groove is opposite to the sliding shaft, the locking member is pressed to make the sliding shaft slide in the sliding groove, so that the lock tongue withdraws from the buckle, thereby unlocking the lower lock body; when the panel is rotated so that the sliding groove and the sliding shaft are misaligned, the locking member is locked and immobilized, thereby locking the lower lock body.

2. The rotary locking push switch lock according to claim 1, characterized in that: The locking member includes a locking portion and a pressing portion, both of which are arranged in the sliding cavity and press against each other under the action of the first elastic return member; the locking tongue is arranged on the locking portion; an opening communicating with the sliding cavity is provided on the outer side of the main body, and one end of the pressing portion extends out of the opening.

3. The rotary locking push switch lock according to claim 2, characterized in that: The front end of the locking part is located on both sides of the lock tongue and is protrudingly provided with limiting columns, and the front end of the pressing part is protrudingly provided with a pressing end. When the locking part is combined with the pressing part, a accommodating frame is formed between the limiting columns and the pressing end, and the lock tongue extends out of the accommodating frame, and the accommodating frame is directly opposite to the through hole.

4. The rotary locking push switch lock according to claim 1, characterized in that: The panel is provided with a circular platform, the anti-skid groove is arranged on the outer circumference of the circular platform, and at least one pit is arranged on the outer side of the circular platform, and the pit is connected with the anti-skid groove to form the sliding groove.

5. The rotary locking push switch lock according to claim 1, characterized in that: A center hole penetrating the upper and lower ends is provided in the middle of the main body, an internal threaded ring is provided in the center of the panel, and the panel also has a threaded disc, one end of the threaded disc passes through the center hole of the main body and is threadedly connected to the internal threaded ring of the panel, so that the threaded disc and the panel clamp the main body and are rotatable relative to the main body.

6. The rotary locking push switch lock according to claim 5, characterized in that: A ball bearing is arranged between the panel and the main body.

7. The rotary locking push switch lock according to claim 6, characterized in that: A plurality of ball grooves are circumferentially arranged around a central axis on one side of the panel facing the main body. When the panel rotates, the balls are selectively caught in the ball grooves.

8. The rotary locking push switch lock according to claim 7, characterized in that: The main body is provided with a receiving hole, the ball is arranged in the receiving hole, a second elastic reset member is arranged in the receiving hole, and the second elastic reset member enables the ball to be clamped into the ball groove.

9. The rotary locking push switch lock according to claim 1, characterized in that: A marking block is provided at a position on the surface of the panel directly facing the sliding groove.

10. The rotary locking push switch lock according to claim 1, characterized in that: The lower lock body comprises a base and a bottom plate, the buckle ring is arranged on the base, a stud extends from the base, and the bottom plate is connected to the stud by screws and forms a gap with the edge of the base.

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