CN202148735U - Mechanism for making lock shaft drive lock core to be automatically locked - Google Patents
Mechanism for making lock shaft drive lock core to be automatically locked Download PDFInfo
- Publication number
- CN202148735U CN202148735U CN201120074735U CN201120074735U CN202148735U CN 202148735 U CN202148735 U CN 202148735U CN 201120074735 U CN201120074735 U CN 201120074735U CN 201120074735 U CN201120074735 U CN 201120074735U CN 202148735 U CN202148735 U CN 202148735U
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- lock
- hole
- lock core
- shaft
- core
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Abstract
The utility model discloses a mechanism for making a lock shaft drive a lock core to be automatically locked, which comprises a lock body; a lock core, a lock shaft and a plurality of lock holes are arranged in the lock body; a plurality of lock core holes communicated with a key hole are arranged in the lock core; lock core pins are mounted in the lock core holes; a plurality of communicating holes are arranged in the lock shaft; lock shaft pins are mounted in the communicating holes; the lock holes include an upper lock hole and a lower lock hole; the upper lock hole is a blind hole structure, and a return spring and an upper lock pin are mounted in the upper lock hole; the lower lock hole is communicated with the lock core and the lock shaft and is a through hole structure, and a lower lock pin is mounted in the lower lock hole; and a linking device for making the lock shaft rotate to drive the lock core to be automatically locked in a unlocking state is disposed between the lock shaft and the lock core. The key is used only in the unlocking process, and only the lock shaft is needed to be rotated to be locked in the locking process, so that the mechanism simplifies operation and is convenient to use.
Description
Technical field
The utility model relates to a kind of shaft lock formula mechanism for locking up, and particularly middle lock shaft drives the automatic mechanism for locking up of lock core.
Background technology
At present; Shaft lock formula mechanism for locking up generally comprises lock body, lock core and lock shaft, wherein is provided with lock hole in the lock body, and back-moving spring and lock body pin are installed in each lock hole; Be provided with the lock core hole that is communicated with keyhole in the lock core; Be provided with the lock core pin in the lock core hole, be provided with intercommunicating pore in the lock shaft, the lock shaft pin is installed in the intercommunicating pore.In use; Utilize to insert the key of lock core and the lock core pin is moved in lock core hole, when the lock hole on the lock body, intercommunicating pore and the lock core hole on the lock core on the lock shaft in line the time, back-moving spring promotes the lock body pin and snaps in corresponding lock shaft intercommunicating pore; Lock shaft pin in the lock shaft intercommunicating pore is pushed and stretches out intercommunicating pore and snap in lock core hole simultaneously; At this moment, lock shaft is blocked by lock body pin and lock shaft pin and is locked, is in locking state; And move outward when the insertion key will promote the lock core pin; The outer promotion lock shaft pin that moves of lock core pin leaves lock core hole; Resetting of lock shaft pin promotes lock body pin disengaging lock shaft intercommunicating pore simultaneously, and promptly realize release with the key rotation lock core certain angle this moment, and lock shaft is free to rotate.Above structure, lock shaft all need be used key no matter be to lock or unblank, and operates cumbersome and use inconvenience.
In addition; Because of being subject to machining accuracy, also exist simultaneously and use wearing and tearing, can't accomplish precisely with the angle that the relative lock body rotational lock core of key is locked or unblanked; Always there is certain error; For overcoming the problems referred to above, need chamfer machining is carried out in the end of lock body pin, lock shaft pin and lock core pin, overcome when rotational angle is not in place and can carry out adaptive adjustment with this by the slip on chamfering inclined-plane.The processing of above pin end-beveling has increased manufacturing procedure to a certain extent, has increased manufacturing cost.
The utility model content
To the problems referred to above, the utility model has designed the automatic mechanism for locking up that a kind of lock shaft drives lock core, and this structure design is only used key when unblanking; When locking, only need to rotate the locking that lock shaft can be realized lock shaft, simplified operation; Made things convenient for use,, can promote the rotation precision of lock core greatly simultaneously for the rotation of lock core is provided with angle stop bit device; Remove the chamfer machining of each pin end from, further reduced manufacturing cost.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of lock shaft drives the automatic mechanism for locking up of lock core; Comprise a lock body; Be provided with lock core, lock shaft and some lock holes in the lock body, be provided with some lock core holes that are communicated with keyhole in the said lock core, the lock core pin is installed in the lock core hole; Be provided with some intercommunicating pores in the lock shaft, the lock shaft pin is installed in the intercommunicating pore; It is characterized in that: said lock hole is divided into lock hole and following lock hole; Wherein going up lock hole is blind hole structure, and back-moving spring and upper lock body pin are installed in it; Said lock hole down is communicated with lock core and lock shaft, and following lock hole is the clear opening structure, and the inside is equipped with the down lock body pin; Be provided with the self-locking linkage of lock shaft rotating band movable lock core under unlocking condition between said lock shaft and the lock core.
Above-mentioned linkage comprises the loose slot of logical in succession always lock shaft and lock core, and said lock shaft is provided with the lock shaft projection in loose slot, and said lock core is provided with the lock core projection in loose slot, and the head of lock shaft projection can touch with the lock core projection and be connected.
Above-mentioned linkage comprises " T " shape hole of logical in succession always lock shaft and lock core side, and one " T " shape slide block and compression spring are installed in " T " shape hole; Said compression spring is positioned at the large aperture section in " T " shape hole; Said " T " shape slider head passes behind the compression spring position-arresting groove that the deep small-bore Duan Bingyu lock core side in " T " shape hole is provided with and connects; " T " shape slider tail then is arranged in the deep-slotted chip breaker that the lock shaft side is provided with; The caudal end of said " T " shape slider tail is no more than the center line of lock shaft; The inclined to one side arranged outside of caudal end of " T " shape slider tail has the stop bit push rod simultaneously; Under the lock shaft lock-out state, " T " shape slide block makes the compression spring have certain pre compressed magnitude under the effect of stop bit push rod.
Above-mentioned lock body is being provided with a straight-line groove on following lock hole next door, and the straight-line groove inner side edge directly is communicated with lock core, between straight-line groove and the following lock hole is the center certain angle setting of staggering with the lock core; One spring leaf is installed in the said straight-line groove.
Be provided with the angle stop bit device that lock core rotates between above-mentioned lock core bottom and the lock body.
Above-mentioned angle stop bit device comprises stop bit blind hole that is arranged on the lock body and the position-arresting hole composition that is eccentrically set on the lock core terminal surface; Be provided with spring and stop bit post in the said stop bit blind hole; Said position-arresting hole bottom directly is communicated with keyhole; Be provided with the guide pillar that length is lower than position-arresting hole in the position-arresting hole; Under the lock shaft lock-out state, said stop bit blind hole and position-arresting hole just are positioned at same straight line, and the stop bit post gets into position-arresting hole under the effect of spring restoring force.
The utility model utilizes the linkage that is provided with between lock shaft and the lock core, makes under unlocking condition, and the lock shaft rotation can drive lock core and automatically lock, and compares existing structure,, simplified operation, made things convenient for use.
At this, under unlocking condition, when key was extracted, the teeth of key can drive some lock core pins and stretch out lock core hole, if pin can not normally stretch out and will block key it can't be extracted.To this situation; The utility model lock body is being provided with a straight-line groove on following lock hole next door, and the straight-line groove inner side edge directly is communicated with lock core, between straight-line groove and the following lock hole is the center certain angle setting of staggering with the lock core; When key is extracted; The lock core pin that stretches out directly enters into straight-line groove and compresses spring leaf, and after key was extracted, each lock core pin can bounce back in the lock core under the effect of spring leaf restoring force again.
In addition; The utility model is provided with the angle stop bit device that lock core rotates between lock core bottom and lock body, in case lock core turns to the lock shaft latched position, angle stop bit device will move and the lock core stop bit is stopped operating; Improved the accuracy that lock core rotates greatly; Can avoid the chamfer machining to all kinds of pin end faces, this has reduced manufacturing procedure to a certain extent, reduces manufacturing cost.
Description of drawings
Schematic cross-section under Fig. 1, the utility model lock-out state;
Schematic cross-section after Fig. 2, the utility model open the lock with the key;
Fig. 3, the utility model lock shaft rotate the schematic cross-section that lock core is resetted;
Angle stop bit apparatus structure sketch map between Fig. 4, the utility model lock core bottom and the lock body;
The local enlarged diagram of A portion among Fig. 5, the utility model Fig. 4;
Schematic cross-section under Fig. 6, second kind of embodiment lock-out state of the utility model;
Schematic cross-section after Fig. 7, second kind of embodiment of the utility model are unblanked;
Fig. 8, second kind of embodiment lock shaft of the utility model rotate the schematic cross-section that lock core is resetted.
The specific embodiment
Shown in Fig. 1-4, a kind of lock shaft drives the automatic mechanism for locking up of lock core, comprises a lock body 1, is provided with lock core 2, lock shaft 3 and some lock holes 11 in the lock body 1.
Be provided with some lock core holes 22 that are communicated with keyhole 21 in the said lock core 2, lock core pin 23 is installed in the lock core hole 22.
Be provided with some intercommunicating pores 31 in the said lock shaft 3, lock shaft pin 32 is installed in the intercommunicating pore 31.
Said lock hole 11 is divided into lock hole 111 and following lock hole 112.Wherein going up lock hole 111 is blind hole structure, and back-moving spring 1111 and upper lock body pin 1112 are installed in it.Said lock hole 112 down directly is communicated with lock core 2 and lock shaft 3, and following lock hole 112 is the clear opening structure, and the inside is equipped with down lock body pin 1121.
Be provided with lock shaft 3 rotating band movable lock cores 2 self-locking linkages under unlocking condition between said lock shaft 3 and the lock core 2.In this embodiment; Linkage comprises the loose slot 41 of logical in succession always lock shaft 3 and lock core 2; Said lock shaft 3 is provided with lock shaft projection 42 in loose slot 41, said lock core 2 is provided with lock core projection 43 in loose slot, and the head of lock shaft projection 42 can touch with lock core projection 43 and be connected.
When under lock shaft 3 lock-out states; Its structure is as shown in Figure 1, and at this moment, the following lock hole 112 of the last lock hole 111 of lock body 1, the intercommunicating pore 31 of lock shaft 3, lock body 1 and the lock core hole 22 of lock core 2 are located along the same line; At this moment; Upper lock body pin 1112 snaps in the intercommunicating pore 31 of lock shaft 3 under the effect of back-moving spring 1111 restoring forces, the lock shaft pin 32 in the intercommunicating pore 31 is pushed out and snaps in down lock hole 112 simultaneously, and the down lock body pin 1121 in the following lock hole 112 is ejected and snaps in the lock core hole 22; This moment, lock shaft 3 was in the lock state, and can't rotate.At this moment, the lock shaft projection 42 and the lock core projection 43 of linkage lays respectively at the dual-side of loose slot 41, and both do not touch.
When unblanking, insert key in lock core 2, lock core pin 23 will be gone out by the key bit crest; Make down lock body pin 1121 break away from lock core hole 22; And outer the moving of down lock body pin 1121 promotes lock shaft pin 32 disengagings lock hole 112 down, and then makes upper lock body pin 1111 break away from lock shaft intercommunicating pores 31, and this moment, lock shaft 3 was in free state; Promptly realize unblanking of lock shaft 3; Then key just can drive lock core 2 and rotates together, and this process is then extracted key and got final product till lock core projection 43 is streaked loose slot 41 and touched with lock shaft projection 42.At this, when key was extracted, the teeth of key can drive some lock core pins 23 and stretch out lock core hole 22, if lock core pin 23 can not normally stretch out and will block key it can't be extracted.To this situation; The utility model lock body 1 is provided with a straight-line groove 12 on following lock hole 112 next doors; Straight-line groove 12 inner side edges directly are communicated with lock core 2, are the center certain angle setting of staggering with lock core 2 between straight-line groove 12 and the following lock hole 112, when key is extracted; The lock core pin 23 that stretches out directly enters into straight-line groove 12 and compresses the spring leaf 121 that is arranged on straight-line groove 12; And after key was extracted, each lock core pin 23 can bounce back under the effect of spring leaf 121 restoring forces in the lock core 2 again, and its structure is as shown in Figure 2.
Then rotation lock 3, and lock shaft projection 42 drives lock core projection 43, make lock core 2 do to reset motion; This process is driven the opposite side of loose slot 41 up to lock core projection 43 by lock shaft projection 42, and at this moment, lock core 2 is got back to initial position; Lock core hole 22 is in same straight line with following lock hole 112; But stagger in the position of intercommunicating pore 31 positions of lock shaft 3 and last lock hole 111 and following lock hole 112 at this moment, and lock shaft 3 still is in unlocking condition, and its structure is as shown in Figure 3.
And when needs are locked once more, only need counter-rotation lock shaft 3, when lock shaft projection 42 is got back to the initial position of loose slot 41; The position of intercommunicating pore 31 positions of lock shaft and last lock hole 111 and following lock hole 112 is in same straight line at this moment; At this moment, upper lock body pin 1112 snaps in the intercommunicating pore 31 of lock shaft 3 under the effect of back-moving spring 1111 restoring forces, and the lock shaft pin 32 in the intercommunicating pore 31 is pushed out and snaps in down lock hole 112 simultaneously; Down lock body pin 1121 in the following lock hole 112 is ejected and is snapped in the lock core hole 22; This moment, lock shaft 3 was in the lock state, and can't rotate, and its structure is and for example shown in Figure 1.
Shown in Fig. 6-8; Second kind of embodiment for the utility model linkage; In the present embodiment, linkage comprises " T " shape hole 51 of logical in succession always lock shaft 3 and lock core 2 sides, and one " T " shape slide block 52 and compression spring 53 are installed in " T " shape hole 51.Said compression spring 53 is positioned at the large aperture section in " T " shape hole 51.Said " T " shape slide block 52 heads pass deeply position-arresting groove 24 connections of the small-bore Duan Bingyu lock core 2 sides setting in " T " shape hole 51 of compression spring 53 backs." T " shape slide block 52 afterbodys then are arranged in the deep-slotted chip breaker 33 that lock shaft 3 sides are provided with; The caudal end of said " T " shape slide block 52 afterbodys is no more than the center line of lock shaft 3; The inclined to one side arranged outside of caudal end of " T " shape slide block 52 afterbodys has stop bit push rod 54 simultaneously; Under lock shaft 3 lock-out states, " T " shape slide block 52 makes compression spring 53 have certain pre compressed magnitude under the effect of stop bit push rod 54.
In use; When lock shaft 3 is in the lock state down, its structure is as shown in Figure 6, at this moment; " T " shape slide block 52 makes compression spring 53 have certain pre compressed magnitude under the effect of stop bit push rod 54, leaves an intersegmental crack between the top end face of " T " shape slide block 52 and the position-arresting groove 24 on the lock core 2.
And when unblanking, inserting key in lock core 2, lock core pin 23 will be gone out by the key bit crest; Make down lock body pin 1121 break away from lock core hole 22; And outer the moving of down lock body pin 1121 promotes lock shaft pin 32 disengagings lock hole 112 down, and then makes upper lock body pin 1112 break away from lock shaft intercommunicating pores 31, and this moment, lock shaft 3 was in free state; Promptly realize unblanking of lock shaft 3; Then key just can drive lock core 2 and rotates together, and this process is then extracted key and got final product till the top end face of the position-arresting groove 24 of lock core 2 and " T " shape slide block 42 offsets.At this, when key was extracted, the teeth of key can drive some lock core pins 23 and stretch out lock core hole 22, if lock core pin 23 can not normally stretch out and will block key it can't be extracted.To this situation; The utility model lock body 1 is provided with a straight-line groove 12 on following lock hole 112 next doors; Straight-line groove 12 inner side edges directly are communicated with lock core 2, are the center certain angle setting of staggering with lock core 2 between straight-line groove 12 and the following lock hole 112, when key is extracted; The lock core pin 23 that stretches out directly enters into straight-line groove 12 and compresses the spring leaf 121 that is arranged on straight-line groove; And after key was extracted, each lock core pin 23 can bounce back under the effect of spring leaf 121 restoring forces in the lock core 2 again, and its structure is as shown in Figure 7.
Then rotate lock shaft 3; Lock shaft deep-slotted chip breaker 33 will press down " T " shape slide block 52, and pressing down further compression spring 53 and promoting lock core 2 of " T " shape slide block 52 makes lock core do to reset motion, and this process is got back to initial position up to lock core 2; Lock core hole 22 is in same straight line with following lock hole 112; But stagger in the position of intercommunicating pore 31 positions of lock shaft 3 and last lock hole 111 and following lock hole 112 at this moment, and lock shaft 3 still is in unlocking condition, and its structure is as shown in Figure 8.
And when needs are locked once more; Only need counter-rotation lock shaft 3, when lock shaft 3 was got back to initial position, the position of intercommunicating pore 31 positions of lock shaft 3 and last lock hole 111 and following lock hole 112 was in same straight line at this moment; At this moment; Upper lock body pin 1112 snaps in the intercommunicating pore 31 of lock shaft 3 under the effect of back-moving spring 1111 restoring forces, the lock shaft pin 32 in the intercommunicating pore 31 is pushed out and snaps in down lock hole 112 simultaneously, and the down lock body pin 1121 in the following lock hole 112 is ejected and snaps in the lock core hole 22; This moment, lock shaft 3 was in the lock state, and can't rotate.Simultaneously, " T " shape sliding shoe 52 rebounds under the effect of compression spring 53 restoring forces, offsets with stop bit push rod 54 once more up to its tail end face, and its structure is and for example shown in Figure 6.
More than two kinds of embodiments all can realize the purpose of design of the utility model, it utilizes the linkage that is provided with between lock shaft 3 and the lock core 2, makes under unlocking condition; Lock shaft 3 rotations can drive lock core 3 and automatically lock, and compare existing structure; Simplify operation, made things convenient for use.
In addition, be provided with the angle stop bit device 6 that lock core rotates between lock core 2 bottoms of the utility model and the lock body 1.This angle stop bit device comprises stop bit blind hole 61 that is arranged on the lock body 1 and the position-arresting hole that is eccentrically set on the lock core terminal surface 62 compositions.Be provided with spring 611 and stop bit post 612 in the said stop bit blind hole 61; Said position-arresting hole 62 bottoms directly are communicated with keyhole 21; Be provided with the guide pillar 621 that length is lower than position-arresting hole in the position-arresting hole 62; Under lock shaft 3 lock-out states, said stop bit blind hole 61 just is positioned at same straight line with position-arresting hole 62, and stop bit post 612 gets into position-arresting hole 62 and realizes accurate stop bit under the effect of spring 611 restoring forces.
In use; In case lock core 2 turns to lock shaft 3 latched positions; Angle stop bit device will move and lock core 2 stop bits are stopped operating, and has improved the accuracy that lock core 2 rotates greatly, can avoid the chamfer machining to all kinds of pin end faces; This has reduced manufacturing procedure to a certain extent, reduces manufacturing cost.And when unblanking, the top of key heads into position-arresting hole 62, thereby makes guide pillar 621 outer moving make stop bit post 612 break away from position-arresting holes 62, and at this moment, the locking that lock core 2 and lock body are 1 promptly is disengaged, lock core 2 just relatively lock body freely rotate.
To sum up, the utility model is the automatic mechanism for locking up that a kind of lock shaft drives lock core, and this structure design is only used key when unblanking, and when locking, only needs to rotate the locking that lock shaft can be realized lock shaft, has simplified operation, has made things convenient for use.For the rotation of lock core is provided with angle stop bit device, can promote the rotation precision of lock core greatly simultaneously, remove the chamfer machining of each pin end from, further reduce manufacturing cost.
Claims (6)
1. a lock shaft drives the automatic mechanism for locking up of lock core; Comprise a lock body; Be provided with lock core, lock shaft and some lock holes in the lock body, be provided with some lock core holes that are communicated with keyhole in the said lock core, the lock core pin is installed in the lock core hole; Be provided with some intercommunicating pores in the lock shaft, the lock shaft pin is installed in the intercommunicating pore; It is characterized in that: said lock hole is divided into lock hole and following lock hole; Wherein going up lock hole is blind hole structure, and back-moving spring and upper lock body pin are installed in it; Said lock hole down is communicated with lock core and lock shaft, and following lock hole is the clear opening structure, and the inside is equipped with the down lock body pin; Be provided with the self-locking linkage of lock shaft rotating band movable lock core under unlocking condition between said lock shaft and the lock core.
2. a kind of lock shaft as claimed in claim 1 drives the automatic mechanism for locking up of lock core; It is characterized in that: said linkage comprises the loose slot of logical in succession always lock shaft and lock core; Said lock shaft is provided with the lock shaft projection in loose slot; Said lock core is provided with the lock core projection in loose slot, the head of lock shaft projection can touch with the lock core projection and be connected.
3. a kind of lock shaft as claimed in claim 1 drives the automatic mechanism for locking up of lock core, it is characterized in that: said linkage comprises " T " shape hole of logical in succession always lock shaft and lock core side, and one " T " shape slide block and compression spring are installed in " T " shape hole; Said compression spring is positioned at the large aperture section in " T " shape hole; Said " T " shape slider head passes behind the compression spring position-arresting groove that the deep small-bore Duan Bingyu lock core side in " T " shape hole is provided with and connects; " T " shape slider tail then is arranged in the deep-slotted chip breaker that the lock shaft side is provided with; The caudal end of said " T " shape slider tail is no more than the center line of lock shaft; The inclined to one side arranged outside of caudal end of " T " shape slider tail has the stop bit push rod simultaneously; Under the lock shaft lock-out state, " T " shape slide block makes the compression spring have certain pre compressed magnitude under the effect of stop bit push rod.
4. drive the automatic mechanism for locking up of lock core like the described a kind of lock shaft of the arbitrary claim of claim 1-3; It is characterized in that: said lock body is being provided with a straight-line groove by the lock hole down; The straight-line groove inner side edge directly is communicated with lock core, between straight-line groove and the following lock hole is the center certain angle setting of staggering with the lock core; One spring leaf is installed in the said straight-line groove.
5. drive the automatic mechanism for locking up of lock core like the described a kind of lock shaft of the arbitrary claim of claim 1-3, it is characterized in that: be provided with the angle stop bit device that lock core rotates between said lock core bottom and the lock body.
6. a kind of lock shaft as claimed in claim 5 drives the automatic mechanism for locking up of lock core, it is characterized in that: said angle stop bit device comprises stop bit blind hole that is arranged on the lock body and the position-arresting hole composition that is eccentrically set on the lock core terminal surface; Be provided with spring and stop bit post in the said stop bit blind hole; Said position-arresting hole bottom directly is communicated with keyhole; Be provided with the guide pillar that length is lower than position-arresting hole in the position-arresting hole; Under the lock shaft lock-out state, said stop bit blind hole and position-arresting hole just are positioned at same straight line, and the stop bit post gets into position-arresting hole under the effect of spring restoring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120074735U CN202148735U (en) | 2011-03-21 | 2011-03-21 | Mechanism for making lock shaft drive lock core to be automatically locked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120074735U CN202148735U (en) | 2011-03-21 | 2011-03-21 | Mechanism for making lock shaft drive lock core to be automatically locked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202148735U true CN202148735U (en) | 2012-02-22 |
Family
ID=45589798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120074735U Expired - Fee Related CN202148735U (en) | 2011-03-21 | 2011-03-21 | Mechanism for making lock shaft drive lock core to be automatically locked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202148735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033042A (en) * | 2014-06-09 | 2014-09-10 | 俞晓阳 | Box/cabinet lock capable of being locked without key |
-
2011
- 2011-03-21 CN CN201120074735U patent/CN202148735U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033042A (en) * | 2014-06-09 | 2014-09-10 | 俞晓阳 | Box/cabinet lock capable of being locked without key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20150321 |
|
| EXPY | Termination of patent right or utility model |