CN210948085U - Lock body with narrow structure - Google Patents
Lock body with narrow structure Download PDFInfo
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- CN210948085U CN210948085U CN201921257580.7U CN201921257580U CN210948085U CN 210948085 U CN210948085 U CN 210948085U CN 201921257580 U CN201921257580 U CN 201921257580U CN 210948085 U CN210948085 U CN 210948085U
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- coupler knuckle
- push plate
- shifting
- peach
- shifting peach
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Abstract
The utility model discloses a lock body with a narrow structure, which comprises a box cover, a lining plate, a bottom box, an upper coupler knuckle, a lower coupler knuckle and a lock core, wherein a shifting fork device and a push plate which forms a shifting connection relation between the shifting fork device and the upper coupler knuckle and between the shifting fork device and the lower coupler knuckle are also arranged in the bottom box; the shifting fork device comprises an upper shifting peach, a reversing fixed screw, a middle shifting peach and a lower shifting peach, and the pushing plate is provided with a shifting pin which respectively takes respective fulcrum rotating shafts as rotating centers and simultaneously respectively pushes the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to contract into the bottom box or synchronously move away from the bottom box to extend out of the bottom box; when the door is closed, the upper shifting peach or the lower shifting peach is rotated anticlockwise and upwards to drive the middle shifting peach to push the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to move away synchronously to pop out so as to realize one-step door locking; in the state of closing the door, the upper shifting peach or the lower shifting peach is rotated clockwise and downwards to drive the middle shifting peach to push the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to be retracted into the bottom box to realize one-step door opening.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a tool to lock trade, specific theory more specifically relates to a lock body of narrow body structure.
[ background of the invention ]
The current anti-theft locks on the market are divided into mechanical anti-theft locks and electronic anti-theft locks, and the mechanical anti-theft locks and the electronic anti-theft locks generally consist of a lock body, a square bolt component, an auxiliary square bolt component and an oblique bolt component, wherein the square bolt component, the auxiliary square bolt component and the oblique bolt component are arranged on the lock body; the electronic anti-theft lock realizes electronic control by transforming a lock body structure, realizes unlocking and locking by completely depending on an electric element, but has certain reliability and incompatible problems.
Traditional mechanical type pickproof lock needs the manual rotatory key of user to unblank and lock, and the pickproof lock of this type of pure mechanical structure all has the structure complicacy, connects the installation inefficiency, and is inconvenient in the use, for example forget the key, can't open the door scheduling problem.
[ Utility model ] content
In order to solve the above technical difficulty, the utility model provides a simple structure, control are convenient, improve its safety and reliability, realize the lock body of outdoor one step unblanking and the indoor narrow body structure of opening one step fast.
The utility model provides a technical scheme that its technical problem adopted is:
a lock body with a narrow structure comprises a box cover, a lining plate, a bottom box, an upper coupler knuckle, a lower coupler knuckle and a lock cylinder, wherein the lining plate is arranged on the front side of the side wall of the bottom box;
a shifting fork device and a push plate forming shifting connection relation between the shifting fork device and the upper coupler knuckle and between the shifting fork device and the lower coupler knuckle are also arranged in the bottom box;
the shifting fork device comprises an upper shifting peach, a reversing fixing screw, a middle shifting peach and a lower shifting peach, the reversing fixing screw is fixed on the upper side or the lower side of the middle shifting peach, the upper shifting peach and the lower shifting peach are coaxially sleeved on a central hole of the middle shifting peach, the middle shifting peach is obliquely and upwardly extended with an arc-tooth driving arm, and a rack which is meshed with the top end of the arc-tooth driving arm is arranged on a corresponding push plate;
the bottom box is also internally provided with fulcrum rotating shafts which are respectively used for supporting the upper coupler knuckle and the lower coupler knuckle to rotate, the push plate is respectively provided with sliding guide holes which penetrate through the fulcrum rotating shafts and slide linearly along the fulcrum rotating shafts, the push plate is provided with toggle pins which respectively take the respective fulcrum rotating shafts as rotating centers and simultaneously respectively push the upper coupler knuckle and the lower coupler knuckle to synchronously close motion to contract into the bottom box or synchronously move away to extend out of the bottom box, and the upper coupler knuckle and the lower coupler knuckle are respectively provided with toggle holes matched with the toggle pins;
when the door is closed, the upper shifting peach or the lower shifting peach is rotated anticlockwise and upwards, the upper shifting peach or the lower shifting peach drives the middle shifting peach, the middle shifting peach pushes the push plate through the meshing of the arc-tooth driving arm and the rack, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to move away synchronously to pop out to lock the door;
under the state that the upper coupler knuckle and the lower coupler knuckle are popped out to close the door, the upper shifting peach or the lower shifting peach is rotated clockwise and downwards, the upper shifting peach or the lower shifting peach drives the middle shifting peach, the middle shifting peach pushes the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to be retracted into the bottom box to open the door;
when the upper coupler knuckle and the lower coupler knuckle pop out for door closing, the lock cylinder rotates clockwise to stir the push plate, the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously and closely to retract for door opening, the lock cylinder rotates counterclockwise to stir the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously and far away to pop out for door locking;
when the door is opened, the upper shifting peach of the shifting fork device is rotated clockwise and downwards, when the reversing fixing screw is fixed on the upper side of the middle shifting peach, the upper shifting peach pushes the middle shifting peach to rotate through the upward protruding part of the reversing fixing screw, the middle shifting peach drives the driving push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to retract into the bottom box to open the door.
Furthermore, a motor and a clutch push plate are arranged in the bottom box, a screw shaft connected with the motor drives the clutch push plate to move linearly left and right, an arc-shaped track chute is arranged on the clutch push plate, and a clutch pin which is clamped in the track chute of the clutch push plate and moves left and right along with the clutch push plate is assembled on the middle shifting block; when the door is opened outwards, an information card equipped with a lock key of the lock gives a corresponding signal to a motor on the lock, the motor is electrified and rotated after receiving a correct signal to drive a clutch push plate to move rightwards, the clutch push plate drives a clutch pin clamped in a track chute to move rightwards along a limiting slotted hole of a middle shifting peach to control the coaxial linkage of the lower shifting peach and the middle shifting peach, when the lower shifting peach is rotated downwards clockwise outwards, the lower shifting peach rotates to push the clutch pin blocked in a rotating track to drive the shifting peaches to synchronously rotate, the middle shifting peach drives the push plate, and the push plate drives an upper coupler knuckle and a lower coupler knuckle to synchronously move in a similar way to retract into a bottom box to open the door; furthermore, on the outside of the door, the corresponding picks are idle when no motor signal is given.
Furthermore, the upper end and the lower end of the lining plate are respectively connected with an upper ground frame and a lower ground frame which are respectively connected with the upper end and the lower end of the push plate in a sliding manner and synchronously move upwards or downwards under the driving of the push plate; the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to retract into the bottom box to open the door; the push plate drives the upper coupler knuckle and the lower coupler knuckle to move away synchronously to pop out to lock the door.
Furthermore, the upper side end and the lower side end of the lining plate are also provided with a top and bottom frame guide block which is respectively convenient for sliding connection with the upper top and bottom frame and a corresponding guide groove matched with the top and bottom frame guide block.
The utility model has the advantages that:
when the door is closed, the upper peach shifting arm or the lower peach shifting arm is rotated anticlockwise and upwards, the upper peach shifting arm or the lower peach shifting arm drives the middle peach shifting arm, the middle peach shifting arm pushes the push plate through the meshing of the arc-tooth driving arm and the rack, the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously away to pop out to lock the door, and the push plate simultaneously drives the upper and lower frames to slide downwards to lock the door.
In the state of closing the door, the upper shifting peach or the lower shifting peach is rotated clockwise and downwards, the upper shifting peach or the lower shifting peach drives the middle shifting peach, the middle shifting peach drives the push plate, the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to be retracted into the bottom box to open the door, and simultaneously the push plate drives the upper heaven and lower heaven and earth frames to slide upwards to open the door.
When the upper coupler knuckle and the lower coupler knuckle pop out for door closing, the lock cylinder can rotate clockwise to stir the push plate, the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously and closely to retract for door opening, the lock cylinder rotates anticlockwise to stir the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously and far away to pop out for door locking.
When the door is opened, the upper shifting peach of the shifting fork device is rotated clockwise and downwards, when the reversing fixing screw is fixed on the upper side of the middle shifting peach, the upper shifting peach pushes the middle shifting peach to rotate through the upward protruding part of the reversing fixing screw, the middle shifting peach drives the push plate, the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to be retracted into the bottom box to open the door, and meanwhile, the push plate drives the upper raised frame and the lower raised frame to slide upwards, so that the upper coupler knuckle, the lower coupler knuckle, the upper raised frame and the lower raised frame are retracted to open the door simultaneously.
In a word, the lock body can directly shift the middle shifting peach through the anticlockwise rotation of the upper shifting peach or the lower shifting peach, when the upper shifting peach or the lower shifting peach rotates clockwise, the middle shifting peach is linked through the reversing fixed screw or the clutch pin, and the push plate can be shifted by the middle shifting peach; the nut head of the reversing fixed screw can be connected with the middle shifting peach on the side of the upper shifting peach or the lower shifting peach, so that the left and right reversing functions are achieved, the clutch push plate can be pushed only through the motor on the side without the reversing fixed screw, the clutch push plate pushes the clutch push pin, and the middle shifting peach can be connected with the middle shifting peach to rotate to open the door.
[ description of the drawings ]
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic view of the inner side structure of the bottom case when the motor for removing the cover of the utility model is disengaged;
FIG. 3 is a schematic view of the inner side structure of the bottom case when the motor of the present invention is closed;
FIG. 4 is a schematic view of the inner side structure of the bottom case when the cover of the bottom case is opened;
FIG. 5 is a schematic view of the inner side structure of the bottom case with the door locked;
FIG. 6 is an enlarged view of the top-view explosion structure of the fork device of the present invention;
fig. 7 is an enlarged view of the bottom explosion structure of the fork device of the present invention.
[ detailed description ] embodiments
A lock body with a narrow structure is shown in figures 1 to 5 and comprises a box cover (not shown), a lining plate 1, a bottom box 2, an upper coupler knuckle 3, a lower coupler knuckle 4, a lock cylinder (not shown), an upper top frame 5 and a lower top frame 6, wherein the lock cylinder is arranged in a lock cylinder hole 20 of the bottom box 2, the lining plate 1 is arranged on the front side of the side wall of the bottom box 2, a shifting fork device 7 is also arranged in the bottom box 2, and a push plate 8 which forms a shifting connection relationship between the shifting fork device 7 and the upper coupler knuckle 3 and the lower coupler knuckle 4; the upper and lower heaven and earth frames 5 and 6 are respectively connected with the upper and lower end parts of the lining plate 1 in a sliding way, and the upper and lower heaven and earth frames 5 and 6 are respectively connected with the upper and lower end parts of the push plate 8 and synchronously move upwards or downwards under the driving of the push plate 8; the upper side end and the lower side end of the lining plate 1 are also provided with a top and bottom frame guide block 9 which is respectively convenient for being connected with the upper top and bottom frame 5 and the lower top and bottom frame 6 in a sliding way, and the corresponding upper top and bottom frame 5 and the lower top and bottom frame 6 are respectively provided with a guide groove 10 matched with the top and bottom frame guide block 9.
As shown in fig. 1 to 7, the shifting fork device 7 includes an upper shifting peach 70, a reversing fixing screw 71, a middle shifting peach 72 and a lower shifting peach 73, the reversing fixing screw 71 is fixed on the upper side or the lower side of the middle shifting peach 72, the upper shifting peach 70 and the lower shifting peach 73 are coaxially sleeved on a central hole 720 of the middle shifting peach 72, the middle shifting peach 72 extends obliquely upwards to form an arc-tooth driving arm 721, and a rack 11 engaged with the top end of the arc-tooth driving arm 721 is mounted on the corresponding push plate 8; the upper side and the lower side of the outer edge of the middle shifting peach 72 are also extended with a convex block 723 which is matched with the upper shifting peach 70 or the lower shifting peach 73 which rotates anticlockwise; the bottom box 2 is also internally provided with a fulcrum rotating shaft 12 which is respectively used for supporting the upper coupler knuckle 3 and the lower coupler knuckle 4 to rotate, the push plate 8 is respectively provided with a sliding guide hole 13 which penetrates through the fulcrum rotating shaft 12 and slides linearly along the fulcrum rotating shaft 12, the push plate 8 is provided with a toggle pin 14 which respectively takes the respective fulcrum rotating shaft 12 as a rotating center and simultaneously respectively pushes the upper coupler knuckle 3 and the lower coupler knuckle 4 to synchronously move close to each other to contract into the bottom box 2 or synchronously move away from each other to stretch out of the bottom box 2, and the upper coupler knuckle 3 and the lower coupler knuckle 4 are respectively provided with a toggle hole 15 which is matched with the toggle pin 14.
As shown in fig. 1 to 7, a motor 16 and a clutch pushing plate 17 are further arranged in the bottom case 2, a screw shaft connected with the motor 16 drives the clutch pushing plate 17 to move linearly left and right, an arc-shaped track sliding groove 170 is arranged on the clutch pushing plate 17, and a clutch pin 18 which is clamped in the track sliding groove 170 of the clutch pushing plate 17 and moves left and right along with the clutch pushing plate 17 is assembled on the middle shifting block 72; when the door is opened outwards, the information card equipped with the lock key gives a corresponding signal to the motor 16 on the lock, the motor 16 is electrified and rotated after receiving a correct signal to drive the clutch push plate 17 to move rightwards, the clutch push plate 17 drives the clutch pin 18 clamped in the track sliding groove 170 to move rightwards along the limit slotted hole 722 of the middle shift peach 72 to control the coaxial linkage of the lower shift peach 73 and the middle shift peach 72, when the lower shift peach 73 is rotated clockwise and downwards outwards, the lower shift peach 73 rotates to push the clutch pin 18 blocked in the rotating track thereof to drive the middle shift peach 72 to synchronously rotate along with the rotation, the middle shift peach 72 drives the push plate 8, and the push plate 8 is retracted into the bottom box 2 to open the door through the matching of the shift pin 14 and the shift hole 15 to drive the upper coupler tongue 3 and the lower coupler tongue 4 to synchronously and closely move. Furthermore, on the outside of the door, the corresponding picks are idle when no motor signal is given.
When the door is closed, the upper shifting peach 70 or the lower shifting peach 73 is rotated anticlockwise and upwards, the upper shifting peach 70 or the lower shifting peach 73 drives the middle shifting peach 72, the middle shifting peach 72 pushes the push plate 8 through the meshing of the arc-tooth driving arm 721 and the rack 11, the push plate 8 drives the upper coupler knuckle 3 and the lower coupler knuckle 4 to move away synchronously to pop out for locking the door, and the push plate 8 simultaneously drives the upper frame 5 and the lower frame 6 to slide downwards to realize one-step rapid door locking.
In the state that the upper coupler knuckle 3 and the lower coupler knuckle 4 are popped out to close the door, the upper shifting peach 70 or the lower shifting peach 73 is rotated clockwise and downwards, the upper shifting peach 70 or the lower shifting peach 73 drives the middle shifting peach 72, the middle shifting peach 72 pushes the push plate 8, the push plate 8 drives the upper coupler knuckle 3 and the lower coupler knuckle 4 to synchronously move close to each other to be retracted into the bottom box 2 to open the door, and meanwhile, the push plate 8 drives the upper heaven and earth frame 5 and the lower heaven and earth frame 6 to slide upwards to open the door.
When the upper coupler knuckle 3 and the lower coupler knuckle 4 are popped out and closed, the lock cylinder rotates clockwise to stir the push plate 8, the push plate 8 drives the upper coupler knuckle 3 and the lower coupler knuckle 4 to move synchronously and closely to retract to open the door, the lock cylinder rotates anticlockwise to stir the push plate 8, the push plate 8 drives the upper coupler knuckle 3 and the lower coupler knuckle 4 to move synchronously and far away to pop out, and one-step rapid door locking is achieved.
When the door is opened, the upper shifting peach 70 of the shifting fork device 7 is rotated clockwise and downwards, when the reversing fixing screw 71 is fixed on the upper side of the middle shifting peach 72, the middle shifting peach 72 is driven to rotate by the upward protruding part of the reversing fixing screw 71, the middle shifting peach 72 drives the push plate 8, the push plate 8 drives the upper coupler knuckle 3 and the lower coupler knuckle 4 to synchronously move close to each other to be retracted into the bottom box 2 to open the door, and meanwhile, the push plate 8 drives the upper hanger 5 and the lower hanger 6 to slide upwards, so that the upper coupler knuckle 3, the lower coupler knuckle 4, the upper hanger 5 and the lower hanger 6 are retracted simultaneously to realize one-step quick door opening.
In a word, the lock body can directly dial the middle dial peach 72 by rotating the upper dial peach 70 or the lower dial peach 73 anticlockwise, when the upper dial peach 70 or the lower dial peach 73 rotates clockwise, the middle dial peach 72 needs to be linked by the reversing fixing screw 71 or the clutch pin 18, and the middle dial peach 72 can only dial the push plate 8; the screw head of the reversing fixing screw 71 can be connected with the middle shift peach 72 at the side of the upper shift peach 70 or the lower shift peach 73, so that the left and right reversing functions are achieved, the side without the reversing fixing screw 71 can only push the clutch push plate 17 through the motor 16, and the clutch push plate 17 pushes the clutch push pin, so that the middle shift peach 72 can be connected to rotate to open the door.
The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, and all equivalent changes made by the shape, structure and principle of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A lock body with a narrow structure comprises a box cover, a lining plate, a bottom box, an upper coupler knuckle, a lower coupler knuckle and a lock cylinder, wherein the lining plate is arranged on the front side of the side wall of the bottom box; the method is characterized in that:
a shifting fork device and a push plate forming shifting connection relation between the shifting fork device and the upper coupler knuckle and between the shifting fork device and the lower coupler knuckle are also arranged in the bottom box;
the shifting fork device comprises an upper shifting peach, a reversing fixing screw, a middle shifting peach and a lower shifting peach, the reversing fixing screw is fixed on the upper side or the lower side of the middle shifting peach, the upper shifting peach and the lower shifting peach are coaxially sleeved on a central hole of the middle shifting peach, the middle shifting peach is obliquely and upwardly extended with an arc-tooth driving arm, and a rack which is meshed with the top end of the arc-tooth driving arm is arranged on a corresponding push plate;
the bottom box is also internally provided with fulcrum rotating shafts which are respectively used for supporting the upper coupler knuckle and the lower coupler knuckle to rotate, the push plate is respectively provided with sliding guide holes which penetrate through the fulcrum rotating shafts and slide linearly along the fulcrum rotating shafts, the push plate is provided with toggle pins which respectively take the respective fulcrum rotating shafts as rotating centers and simultaneously respectively push the upper coupler knuckle and the lower coupler knuckle to synchronously close motion to contract into the bottom box or synchronously move away to extend out of the bottom box, and the upper coupler knuckle and the lower coupler knuckle are respectively provided with toggle holes matched with the toggle pins;
when the door is closed, the upper shifting peach or the lower shifting peach is rotated anticlockwise and upwards, the upper shifting peach or the lower shifting peach drives the middle shifting peach, the middle shifting peach pushes the push plate through the meshing of the arc-tooth driving arm and the rack, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to move away synchronously to pop out to lock the door;
under the state that the upper coupler knuckle and the lower coupler knuckle are popped out to close the door, the upper shifting peach or the lower shifting peach is rotated clockwise and downwards, the upper shifting peach or the lower shifting peach drives the middle shifting peach, the middle shifting peach pushes the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to be retracted into the bottom box to open the door;
when the upper coupler knuckle and the lower coupler knuckle pop out for door closing, the lock cylinder rotates clockwise to stir the push plate, the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously and closely to retract for door opening, the lock cylinder rotates counterclockwise to stir the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to move synchronously and far away to pop out for door locking;
when the door is opened, the upper shifting peach of the shifting fork device is rotated clockwise and downwards, when the reversing fixing screw is fixed on the upper side of the middle shifting peach, the upper shifting peach pushes the middle shifting peach to rotate through the upward protruding part of the reversing fixing screw, the middle shifting peach drives the driving push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to retract into the bottom box to open the door.
2. The lock body with the narrow structure according to claim 1, wherein a motor and a clutch push plate are further arranged in the bottom box, a screw shaft connected with the motor drives the clutch push plate to move linearly left and right, an arc-shaped track sliding groove is formed in the clutch push plate, and a clutch pin which is clamped in the track sliding groove of the clutch push plate and moves left and right along with the clutch push plate is assembled on the middle shifting block; when the door is opened outwards, the information card equipped on the lock key gives a corresponding signal to the motor on the lock, the motor is electrified and rotated after receiving a correct signal to drive the clutch push plate to move rightwards, the clutch push plate drives the clutch pin clamped in the track sliding groove to move rightwards along the limiting slotted hole of the middle shifting peach to control the coaxial linkage of the lower shifting peach and the middle shifting peach, when the lower shifting peach is rotated downwards clockwise outside the door, the lower shifting peach rotates to push the clutch pin blocked in the rotating track to drive the middle shifting peach to synchronously rotate, the middle shifting peach drives the push plate, and the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to withdraw into the bottom box to open the door.
3. The lock body of claim 1, wherein the upper and lower ends of the lining plate are slidably connected to the upper and lower ends of the push plate respectively, and the upper and lower ground frames are driven by the push plate to synchronously move up or down; the push plate drives the upper coupler knuckle and the lower coupler knuckle to synchronously move close to each other to retract into the bottom box to open the door; the push plate drives the upper coupler knuckle and the lower coupler knuckle to move away synchronously to pop out to lock the door.
4. A lock body of narrow body structure as claimed in claim 3, wherein said lining plate is further provided at its upper and lower ends with top and bottom frame guide blocks for slidably connecting with the top and bottom frames, respectively, and the corresponding top and bottom frames are provided with guide grooves for engaging with the top and bottom frame guide blocks, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921257580.7U CN210948085U (en) | 2019-08-05 | 2019-08-05 | Lock body with narrow structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921257580.7U CN210948085U (en) | 2019-08-05 | 2019-08-05 | Lock body with narrow structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210948085U true CN210948085U (en) | 2020-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921257580.7U Active CN210948085U (en) | 2019-08-05 | 2019-08-05 | Lock body with narrow structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210948085U (en) |
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2019
- 2019-08-05 CN CN201921257580.7U patent/CN210948085U/en active Active
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