TWI376444B - - Google Patents

Description

丄376444 • VI. Description of the Invention: [Technical Field] The present invention relates to an improved structure of a lock member, and more particularly to a design of a lock core and a lock bead placed inside a lock member to enhance safety and anti-theft functions. . [Prior Art] • According to the 'lock function of the traditional lock', it is mainly achieved through the interlocking relationship between the lock body of the lock housing and the upper and lower lock beads, and a key corresponding to the shape of the lower lock bead. . When the key is inserted into the keyhole of the lock body, the lock tooth of the key pushes the lower lock bead upward, so that the lower lock bead is adjacent to the top edge of the lower lock bead hole and thereby pushes the lock bead to the lock bead Inside the hole, the lock body rotates relative to the lock housing; when the key leaves the key hole, the upper locking bead is biased by the spring tension and extends between the upper locking hole and the lower locking hole, and Pushing the lower locking bead into the body of the lock body, so that the lock core body cannot rotate relative to the lock housing, thereby achieving the function of opening and closing the lock. However, the general lower locking bead is formed into a smooth cylinder, and the contact part of the bottom of the lower locking bevel is also inverted conical. Even if the lock is in the locked state, the lower locking bead can be rotated and moved up and down. The state is therefore easy to break down. The stealing tool such as a lock or wire is inserted into the key slot to move the lower locking bead upwards. The lock body is again turned into a dynamic sample, and an illegal unlocking action is achieved to easily break the lock. Features. It is based on how to effectively strengthen the structural stability of the lock body and the lock bead, and increase the difficulty of cracking the lock, thereby improving the anti-theft performance of the lock, which is an issue that the industry wants to innovate and break through. 3 1376444 [Summary of the Invention] The inventor of the present invention has been engaged in research and development in related fields for many years. When the lock body of the S-lock component is locked in a solid state, the lower locking bead is still rotatable and easy to be smashed. The inventor of this case has been engaged in research and development experience in related fields for many years, and has in-depth discussion on the above-mentioned shortcomings, and actively seeks solutions according to the above-mentioned needs. After long-term efforts and research, he finally completed this book. invention. Therefore, the object of the present invention is to provide an improved structure of the lock member, so that when the lock body is locked, the lower lock bead can be restrained at the same time and cannot be moved arbitrarily, and the structure of the lock member is complicated. Sex and anti-theft features greatly reduce the chance that the lock component will be opened by improper means. According to the above object, the improved structure of the lock member of the present invention mainly comprises: an outer casing having a lock hole, and the inner side of the lock hole is provided with a locking bead for the valley and a locking hole for the spring; The core body is placed in the lock hole of the outer casing, and a keyhole is formed on the end surface of the lock core body, and a lower lock bead hole for accommodating the lower lock bead and communicating with the keyhole is opened on the outer side of the lock body; The side surface of the outer side of the lower locking bead is provided with an axially formed limiting groove 'the side edge of the locking core body, and an auxiliary groove connecting the lower locking bead hole is provided and is provided with a corresponding insertion hole The limit stop of the auxiliary slot, the limit stop on the side facing the lock body is provided with a straight blocking piece corresponding to the lower locking bead hole and disposed in the limiting groove of the lower locking bead. When the lock body is locked, the straight stop of the limit stop provided in the auxiliary slot will be placed in the limit groove of the lower lock bead through the lower lock bead hole to fix the lower lock bead. Forms an effect that cannot be arbitrarily moved. 1376444 改良Invented the improved structure of the lock member, which may also be provided with: an outer casing having a lock hole, the inner side of the lock hole being opened for receiving the bead and the lock bead above the spring; The core body is disposed on a locking hole of the outer casing, and a keyhole is formed on the end surface of the lock body. The outer side of the lock body is provided with a lower locking hole for receiving the lower locking bead and communicating with the keyhole; The lock body is disposed on a side of the lower locking bead hole, and is provided with a auxiliary and auxiliary hole for radially connecting the keyhole, and is provided with a limiting tip corresponding to the auxiliary tip hole, and the limiting tip is One side is provided with a positioning notch, and the other side is provided with a guiding block; the side edge of the lug body is provided with an auxiliary groove for connecting the auxiliary tip hole, and a limit corresponding to the auxiliary groove is provided The stopper and the limiting stopper face the side of the lock body, and extend to form a stopper. When the lock body is locked, the limit tip will be at any position of the auxiliary tip hole, so that the positioning slot of the limit tip cannot maintain the flush state, and the limit block can not be placed in the position of the block. The notch protrudes from the outer diameter surface of the lock body, so that the lock body can not be further rotated, thereby forming a more effective anti-theft effect. According to the foregoing design, the present invention can greatly increase the complexity of the structure of the lock member. When the lock body is locked, the lower lock bead can be fixed by the limit stop and cannot be moved arbitrarily. The member is subjected to an opportunity to be opened by using a wire or the like to push against the improper means of locking the bead, and the anti-theft and safety of the lock member are increased. For a more detailed and detailed understanding of the purpose, the <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; 5 1376444 [Embodiment] Referring to the first, second and fourth figures. The first embodiment of the present invention is a schematic view of a second embodiment of the present invention; the fourth embodiment is a schematic view of a third embodiment of the present invention. The lock member (丄) described in the main package includes a hollow outer casing (10) and a lock core body (11) 'a plurality of upper locking beads (120), lower locking beads (121) and springs ( 12 2) a locking bead set (丄2) and a key (13) corresponding to the lock body (completion), wherein: the outer casing (1 〇) has an axially through lock Core hole (1 〇◦) 'External housing (1 〇) outer diameter side edge extension molding a protruding part (work 1), the protrusion (1 〇1) is internally provided with a plurality of straight alignment and radial A locking bead hole (Ί 〇 2) connected to the lock hole (1 0 0 ) for accommodating the corresponding matching locking bead (120) and the spring. The lock hole (110) has a lock hole corresponding to the lower lock bead (121) (1 0) (1 "the lock body (1 1 ) is substantially a cylindrical shape, which is placed in the outer casing (1 0 The lock hole (1 〇〇) is rotated relative to the outer casing (1 〇), and a key hole is formed at one end of the lock body (ii) to axially penetrate the two end faces of the lock body (11) (11) 〇), the core body of the lock body (11) is provided with a ring-shaped buckle groove (丄丄丄), and the outer side edge of the lock body (1 1 ) is opened and arranged in a plurality of straight directions and used in the backward direction. To accommodate

0) The lower locking bead hole (112 (10 0 丄: W0444 to the annular buckle groove (1 1 1 ) formed at the other end of the lock body (1 1 ), according to the combination of the lock body (ii) and the outer casing (丄〇) When the lock body (11) is not inserted with the key (13), the locking bead (1 20) will be extended by the spring (122) tension to the locking bead hole) and the lower locking bead hole ( Between the junctions of 1 1 2 ), push the lower locking beads (1 2 1 ) into the lower locking bead holes (2丄2) so that the lock body (1 1 ) and the outer casing (1 〇) cannot Relative rotation to achieve the locking state. When the field key (13) is inserted into the keyhole (1 1 0) of the lock body (1 1), the key (1 3) has concave and convex locking teeth (1 will lock down) Rose f 1 〇v丄2 1 ) push up so that the lower locking bead (i 2 i ) returns to the lower locking bead hole (1 1 2) and is adjacent to the top edge of the lower locking bead hole (1 1 2), while Push the locking bead (12〇) into the locking bead hole (1〇2), so that the lock body (1 1) can be rotated relative to the outer casing (1 〇) to unlock the lock. Please refer to the first figure first. The main feature of the first embodiment is that on the side of the outer diameter of the lower #locking bead (1 2 1 ), there is a protrusion The axially formed blocking body (1210); at the same time, at the periphery of the lower locking bead hole (il2), the corresponding blocking body (1 2 1 〇) is extended to form a predetermined range, the limiting notch (1 1 2 0 ) When the lower locking bead (121) is placed in the lower locking bead hole (1 12), the blocking body (1 2 1 0) of the lower locking bead (1 2 1 ) will be placed in the lower locking bead hole (1.1). 2) the limit notch (1 1 2 0 0) to limit the lower locking bead (1 2 1 ) can only move up and down in the lower locking bead hole (1 1 2 ) and deflect for a specific range 7 1376444, and cannot be Any rotation. Continued to refer to the second and third figures, wherein the third figure is uncovered; the second figure A is a cross-sectional view of the Α line. The main feature of the second embodiment is that the lower locking beads (1) 2 1) on the outer side of the outer diameter, there is a limiting groove (丄2丄1) formed in the axial direction, and the locking body (the predetermined position of the wide side edge of the 1 1 is opened and connected to each other) The auxiliary slot (113) of the locking bead hole (112) is provided with a limiting stopper (114) corresponding to the auxiliary slot. The limiting stopper (1 1 4) is opposite to the locking body ( 1 1 ) on the side, corresponding to the lower locking bead hole ( 1丄2) position with a plurality of straight blocking pieces (1140) and several elastic members (1 1 4 1 ) for supporting the groove surface of the auxiliary groove (113), limit stop block (丄丄4 On the other side, there is a protrusion (丄丄4 2 ); the inner side of the lock (hole) of the outer casing (丄〇) also has a corresponding The fastening groove (Working 3) of the part (1 1 4 2 ) causes the limit stop (1 1 4 ) to be placed in the lock hole (丄〇〇) together with the lock body (1 1 ). To rotate the lock body (1 1 ), the limit groove (1 2 1 1 ) of each lower lock bead (1 2 1) must be oriented toward the auxiliary groove connecting the lower lock bead hole (112) with a key (1 3 ). (ΐι3), to provide space for the straight stop (1 14〇) of the limit stop (11 4) to extend; when the lock body (1 1) rotates relative to the outer casing (1〇), the limit Stop (1 1 4) Large cymbal (1 142) will be slipped by the snap groove (1〇3) to the inner diameter side of the lock body (1 1 ) and contracted by the elastic element (丄丄4丄) For the purpose, push the limit stop (1 1 4 ) to the auxiliary slot (丄i 3 ), and the straight stop (1140) of the 1376444 limit stop (114) passes through the lower locking bead (1 1 2 ) And extend into the limit groove (i 2 11) of the lower locking bead (1 2 1). Therefore, when the lock member (1) is in the locked state, the lower lock bead (121) can only be moved up and down in the lower lock bead hole (112) and cannot be arbitrarily rotated, so that the small lock cannot be easily pulled. Beads (1 2 1 ): Even if the small force uses the brute force to forcibly push the lower locking bead (1 2 1 ) upwards, so that the lock body (1 1 ) is reluctantly rotated, it must also be placed in the lock hole. The snap groove (1 〇 3 ) in the (1 0 0 ) is used to clamp the protrusion (1142) of the limit stop (114), so that the lock body (11) cannot continue to rotate, thereby improving the lock member (1) Anti-theft. Please refer to the fourth and fifth figures. The fifth figure discloses a cross-sectional view of the fourth figure B-B. The third embodiment includes the main features of the first embodiment and the second embodiment: on the outer side of the outer side of the lower locking bead (1 2 1 ), a blocking body (1 2 1 〇) is formed in the axial direction. And an axially formed limit groove (1 2 1 1 )' stop body (1 2 1 〇) and the limit groove (1 2 1 1 ) are set at a predetermined angle or relative (1 8 〇.) The pattern; the periphery of the lower locking bead hole (1 1 2 ) is corresponding to the blocking body (1 2 1 0 ) and extends to form a limiting slot with a preset range (1 1 2 〇); The side edge of the body (1 1 ) defines an auxiliary groove (1 1 3) that communicates with each of the lower locking bead holes (1 1 2 ) and is provided with a corresponding auxiliary groove (1 1 3 ). The limit load block (1 1 4 ), the limit stop block (1 1 4 ) is disposed on the side opposite to the lock core body (1 1 ), corresponding to the position of the lower lock bead hole (1 1 2 ) 1376444 a plurality of straight lugs (1 1 4 Ο ) and a plurality of elastic elements (1141) supporting the groove surface of the auxiliary slot (113) are provided with a protrusion on the other side of the limit stop (1 1 4) Projection (1 1 42); inner diameter side of the lock hole (1 〇〇) of the outer casing (10) , a pair of fastening grooves (1 〇 3) corresponding to the protrusions (1142) are also opened, so that the limit stop (1 1 4 ) can be followed by the protrusions (1 1 4 2 ) along the fastening groove (1 0 3 ) is placed in the lock hole (1 0 0 ) together with the lock body (1 1 ). To rotate the lock body (1 1 ), the limit groove (121 1) of each lower lock bead (121) must be oriented toward the auxiliary groove (113) that communicates with the lower lock bead hole (112) with a key (1 3 ). To provide a space in which the limit stop (11 4) extends straight to the blocking piece (1 1 40), so that the protrusion (1 1 4 2 ) of the limit stop (1 1 4 2) passes through the engaging groove (1 〇 3) Sliding to the side of the inner diameter of the lock body (1 1 ), and pushing the limit stop (1 1 4 ) to the auxiliary groove (1 1 3 ) by the contraction of the elastic element (1 1 4 1 ) The straight blocking piece (丄丄4 〇) of the limit stop (ii 4 ) extends through the lower locking hole (112) to the limiting groove of the lower locking bead (121) (1 2 1 1 ) 'By limiting the lower locking bead (1 2 1 ), it only moves up and down the lower locking bead hole (1 1 2) and cannot be arbitrarily rotated. When the lock member (1) is to be locked, the lock body (1 1 ) is rotated to make the protrusion (1 1 4 2 ) of the limit stop (1 1 4 ) from the lock body (1 1 ) The inner diameter side slides to the engaging groove (1 〇 3 ), and the limit stop (1 14) is pushed outward by the tension of the elastic member (1 141) while the straight blocking piece (114〇) ) Release the lock & (13) from the limit groove (12 ιι) of the lower locking bead (12 1376444 丄); the lower locking bead (121) is movable up and down and can be appropriately deflected' The locking bead (1 2 〇) is re-stretched between the upper locking bead hole (102) and the lower locking bead hole (1 12) by the spring (i 2 2) tension to make the lock body (1 1 ) Can't rotate relative to the outer casing (10) to achieve the effect of locking. Referring to the sixth figure, which is a schematic diagram showing a fourth embodiment of the present invention, the fourth embodiment includes the main features of the second embodiment or the third embodiment: the purpose of enabling the enhanced limit stop (i 4) The anti-theft effect is set on the straight blocking piece (1 1 4 〇) of the limit block (1 1 4), and the lateral block (1143) formed at any height is set to make a straight collision. The section of the piece (1140) is in the form of "+", "丄" or "τ". On the outer (fourth) side of the lower locking bead (1) 21), the transverse limit perpendicular to the limiting groove (1211) is defined. The bit groove (1213) corresponds to the straight piece (1140) and the lateral load piece (1143). According to this structure, when the limit stop (114) is pushed toward the auxiliary groove (ιι 3), its straight blocking piece (114〇) and the lateral blocking piece (1⁄4) will extend the lower locking bead (丄2) i) the limit slot (丄2丄丄) and the lateral limit slot (1213), the shape of the money, so that the lower lock beads in the lock _ (112) (12 &quot; can not be rotated and up and down The movement 'forms a more secure anti-theft effect. Please refer to the seventh and eighth figures. The seventh figure shows the schematic diagram of the fifth embodiment of the present invention; the eighth figure shows the seventh figure. 1376444 The cross-sectional view of the line is not intended. The fifth embodiment includes the main features of the second embodiment or the third embodiment: the purpose of enabling the enhanced anti-theft effect of the limit stop (ii 4 ), in the limit stop ( 114) The straight blocking piece (114〇) is provided with a positioning protrusion (1 1 4 4) formed at any degree of difficulty; and the limit of the outer diameter side of the lower locking bead (1 2 1 ) On the inner side of the position groove (the work 2 work), there is a concave groove corresponding to the positioning convex body (丄丄4 4 ) ° has not been pushed to the auxiliary groove positioning convex body (1 1 4 ( 1 2 1 1 ), Can lock the bead hole (1: when the limit block (1 positioning convex body (1 1 4 groove (1 2 1 1) and the lower locking bead (1 2 1) and move up and down') key lock and lower lock bead Corresponding to this structure, when the limit stop (1 1 4 ) (1 13), the 4 of the limit stop (1 14) will be placed in the limit groove of the lower lock bead (121) to form a card. When the lower locking bead (1 2 1 ) is moved up and down only 1 2 ), and cannot be arbitrarily rotated 1 4 ) when pushing to the auxiliary groove (丄i 3 ), 4) will be pushed downward to lock the bead (1) 2 1 ) The limit position is in the recessed groove (1214), so that the lower locking bead (121) can not be arbitrarily rotated to achieve a more secure anti-theft effect. Please refer to the ninth figure. The invention is not intended to be disclosed. The locking angle of the insertion key and the limiting stopper are locked (1 in the foregoing second embodiment to the fifth implementation, for the period (1 3 ), the lower locking bead can be directly adjusted ( ^ 2) 'Let the lower locking groove of the lower locking bead (1 2 1) (Working 2 workers) (1 1 4 &gt; straight to W (1 1 4 〇) facing, at 1376444 21) Oblique abutment surface with different inclination angles and ranges 1 2 ); at the same time, the key (丄3) The locking teeth (丄3 〇) also correspond to the slanting faces (1212) of the lower locking beads (1 2 1 ), and are provided with oblique edges at different angles. When the key (1 3 ) is inserted into the lock body ( Ii) The keyhole (1〇), the locking tooth (13〇) with the oblique edge on the key (13) will match the oblique contact surface (1212) of the lower locking bead (121), so as to push the lock When the bead (121) is up, it will simultaneously turn to the preset position so that the lock _ bead (1 2 1 ) faces the straight stop (ιΐ4 0) of the limit stop (114) to facilitate the straight stop (丄丄) 4 〇) extension. Please refer to the tenth, eleventh and twelfth figures. The tenth figure is a schematic view showing a sixth embodiment of the present invention; the eleventh figure is a cross-sectional view showing the D-D line of the tenth figure; and the twelfth part is the E-E section of the tenth figure. A schematic cross-sectional view of the line. The main feature of the sixth embodiment is that the outer diameter surface of the lock core body (1 1 ) is located at the side of the lower locking bead hole (1 i 2 ), and is provided with a plurality of lower edge locking beads (1 1 2 Arranging and communicating with the keyhole (丄丄〇) and radially extending through the auxiliary tip hole (丄丄6) of the lock core body (1 1 ), and being provided to be correspondingly accommodated in the auxiliary tip hole (1 16) The limit tip (1 2 3 ), the preset position of the limit tip (1 2 3 ) to the outer side, is provided with a positioning notch (1 2 3 0 ), and the limit tip (1 2 3 The preset position on the inward side is convexly provided with a guiding block (1 2 3 1 ); on the side edge of the locking core body (1 1 ), the connecting opening is provided with each auxiliary tip hole (1 16) Auxiliary groove (1 1 7), and a limit stop 13 1376444 (1 18) that can be inserted into the auxiliary groove (1). The limit stop (1 18) is facing the lock body (1) i) the side 'extends to form a gear (1 180), and the two ends of the block (1 180) are provided with elastic members (i丄8 1 ) that support the auxiliary groove (1 17); at the same time, the key (1 3) The side is provided with a guiding groove (131) corresponding to the guiding block (1231) of each limiting tip (123). According to this structure, when the lock ground (1 3 ) is inserted into the key hole (110) of the lock core body (1 1 ), the guide groove (131) of the key (13) guides the guide of the limit tip (1 2 3 ). The lead block (1 2 3 1 ) is moved straight so that the limit stops (123) are oriented flush toward the positioning notch (1 2 3 0 ) of the auxiliary slot (117); (1 1 ), the limit stop (1 18) pushes the block (i 180) to the auxiliary groove (1丄7) due to the contraction of the elastic element (1 18). The positioning notch (1 2 3 〇) of the limit tip (1 2 3 ) enables the lock body (1 1 ) to be smoothly rotated to achieve the function of unlocking. However, if the key (1 3) is not inserted, the limit tip (1 23) will be in any position of the auxiliary tip hole (1 16), resulting in the positioning notch of the limit tip (1 2 3 ) ( χ 2 3 〇) unable to maintain a flush,

The position stop (1 18) can not be placed in the positioning groove J (1 2 3 0 ) due to the blocking body (1 8 8 ❿), and protrudes from the outer diameter surface of the lock body (丄丄), so that the lock body is 7 (1 $ method is further rotated to form a more accurate anti-theft effect. ' According to the foregoing design, the present invention can greatly increase the lock member (1 structure complexity, when the body (ii) is locked 1 Ο 1 , J 广颂珠121) can be confirmed by the limit stop (1 14) or (1 18 13/0444 limit solid 纟 帛 帛 move small use of wire and other work and push the lower / low lock member (1) was 宵The opportunity to open, the improper means of shuttle 21) was given the opportunity to increase the security and security of the lock components. In the same field, it has excellent progress and practicality, '- The technical information literature has not found that the structure with the same approximation exists first, and should have met the "new amount", "progressive", "combined with the use of f" and "creative" #patent requirements, Application.

However, the above description is only for the preferred embodiment of the present invention, and all the equivalent method structural changes which are applied to the patent specification and the scope of the patent application are applicable, and are included in the scope of the patent application of the present invention. . BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective view of a first embodiment of the present invention. The second figure is a perspective view of a second embodiment of the present invention. The third figure is a schematic cross-sectional view taken along the line A-A of the second figure. The fourth figure is a perspective view of a third embodiment of the present invention. The fifth figure is the cross-sectional view of the fourth figure B-B. Figure 6 is a perspective view of a fourth embodiment of the present invention. The seventh figure is a perspective view of a fifth embodiment of the present invention. The eighth figure is a cross-sectional view of the seventh line C-c. The ninth figure is a schematic view of the corresponding aspect of the key and the lower locking bead of the present invention. The tenth figure is a perspective view of a sixth embodiment of the present invention. The tenth figure is a cross-sectional view of the section D - D of the tenth figure. The twelfth figure is a cross-sectional view of the eleventh line E _ E. 10 1 10 2 10 3

[Main component symbol description] 1 lock member; 1 0 outer casing; 1 〇〇 lock hole; protruding portion; locking bead hole; snap groove; lock body; keyhole; ring buckle groove; Bead hole; 112 0 limit notch; 113 auxiliary groove; 114 limit stop; 1140 straight stop; 114 1 elastic element; 1142 protrusion; 1143 transverse block; 1144 positioning protrusion;

1376444 116 117 118 118 0 118 1 12 12 0 12 1 12 10 12 11 Type C buckle; 1 2 1 2 Oblique abutment; Auxiliary tip hole; 1 2 1 3 Lateral limit groove; Auxiliary groove; 1 2 1 4 Concave groove; limit stop; 1 2 2 spring; block; 1 2 3 limit stop; elastic element; 1 2 3 0 positioning notch; lock bead set; 1 2 3 1 guide block; ; 1 3 key; lower locking bead; 1 3 0 locking tooth; retaining body; 1 3 1 guiding groove;

17

Claims (1)

1376444 VII. The scope of application for patents: . 1 'A lock component, which mainly includes: · Bu. The P casing has a lock hole, and the inner side of the lock hole is provided with a lock bead and a lock bead hole on the spring; the core body is placed in the lock hole of the outer casing. a keyhole is defined in the end surface, and a lower locking bead hole is disposed on the outer side of the locking body for receiving the lower locking bead and communicating with the keyhole; wherein the outer side of the lower locking bead has an axis-direction a retaining body formed; the peripheral edge of the lower locking bead is corresponding to the blocking body: extending to form a limiting slot. 2, a lock member, mainly comprises: an outer casing having a lock hole, the inner side of the lock hole is provided with a lock bead and a lock bead hole on the spring; the lock body is placed on the outer shell a locking hole of the body, a keyhole is formed on the end surface of the locking body, and a lower locking hole for receiving the lower locking bead and communicating with the keyhole is formed on the outer side of the locking body; and the outer diameter of the lower locking bead is characterized by The side surface is provided with a limiting groove formed in the direction of the shaft; the side edge of the locking body body is provided with an auxiliary groove for connecting the lower locking bead hole, and a limiting stop corresponding to the auxiliary groove is provided. The limiting stopper is disposed on a side facing the lock body, and is provided with a straight blocking piece corresponding to the locking and bead hole and disposed in the limiting groove of the lower locking bead. 3. A lock member mainly comprising: an outer casing having a lock hole, the inner side of the lock hole being opened. useful for accommodating the lock bead and the lock bead hole above the spring; 1376444 the lock body is placed outside a lock hole of the casing, a keyhole is formed on the end surface of the lock core body, and a lower lock bead hole for accommodating the lower lock bead and communicating with the keyhole is formed on the outer side of the lock body; and the feature is that the lower lock bead is The outer side of the outer diameter protrudes from the axially formed blocking body and defines a limiting groove formed in the axial direction; the peripheral edge of the lower locking bead extends to form a limiting slot corresponding to the blocking body The side edge of the lock body is provided with an auxiliary groove connecting the lower locking bead hole, and is provided with a limit stop corresponding to the auxiliary groove, the limit stop is on the side of the φ toward the lock body The utility model is provided with a straight blocking piece corresponding to the lower locking hole of the lower locking bead. 4. The lock member according to claim 2, wherein the different side faces of the limit stop are provided with a protrusion; the inner side of the lock hole of the outer case is A fastening groove corresponding to the protrusion of the limit stop is opened. 5. The lock member according to claim 4, wherein the limit stop is provided with an elastic member on a side facing the lock body. Spring 6, according to the lock member described in claim 2 or 3, wherein the 'straight stop of the limit stop' is further formed with a lateral flap; The lateral side of the radial surface is correspondingly provided with a lateral limiting groove which is staggered with the limiting groove. 7. According to the lock member described in claim 2 or 3, wherein the 'straight stop of the limit stop' is formed with a positioning protrusion; the inner side of the limiting groove is formed on the lower locking bead. , corresponding to the opening of the groove. 8, according to the scope of the patent application! Or the bottom end of the lower locking bead of the second structure 19 1J/0444 according to Item 2 or Item 3 is cut out with a different angle or angle of the locking member and includes a locking tooth The key of the key '^ lock tooth is corresponding to the obliquely facing surface of the lower locking bead and is arranged in an oblique direction. 9. A lock member mainly comprising: outside. The screaming body has a lock hole, and the inner side of the lock hole is provided with a lock bead and a lock bead hole on the spring; the lock body is placed in the lock hole of the outer case, and the lock body is A keyhole is defined in the end surface, and a lower locking bead hole is disposed on the outer side of the locking body body for receiving the lower locking bead and communicating with the keyhole; wherein the locking body is disposed on a side of the lower locking bead hole and is provided with a radial direction An auxiliary tip hole that communicates with the keyhole, and is provided with a limiting tip corresponding to the auxiliary tip hole, one side of the limiting tip is provided with a positioning slot, and the other side is convexly provided with a guiding block The auxiliary core of the lock core body is provided with an auxiliary groove for connecting the auxiliary tip hole, and a limit stop corresponding to the auxiliary groove is disposed, and the limit block faces the lock body side, and the support body is formed to extend. The lock member according to claim 9, wherein the lock member includes a key, and the side of the key is provided with a guide groove corresponding to the guide block of the limit stop. 20