CN208056843U - Take turns the lock gall of mortice lock - Google Patents

Abstract

The utility model discloses a kind of lock galls of wheel mortice lock, and the lock gall is columnar structured, is internally provided with keyhole；The fixed seat of several axially spaced distributions is provided on the outer wall of the lock gall, the shell hole communicated with keyhole is offered in the fixed seat, and the snap arm slot communicated with shell hole is offered in the axial sides of fixed seat, dovetail groove is provided in the axial sides of fixed seat.Several fixed seats are provided on the lock gall of the utility model, fixed seat is easier for installation for installing the wheel distinctive lock bullet of mortice lock；Meanwhile the lock-insertion structure reasonable design of the utility model, be conducive to the structure for simplifying lock core.

Description

Take turns the lock gall of mortice lock

Technical field

The utility model belongs to lock technology field, more particularly to a kind of wheel mortice lock, the lock of specifically a kind of wheel mortice lock Courage.

Background technology

Lock core is the major part that control lock is opened, and is and the mating core for driving lock tongue rotation of key.According to public affairs The GAT73-2015 that peace portion promulgates《Mechanical anti-theft lock》Regulation, the national standard of theftproof lock are indicated to be divided into A, B, C tri- with letter Grade, wherein the A grades of lock cores anti-technology opening time is no less than 1 minute, and the B grades of lock cores anti-technology opening time is no less than 5 minutes, C The grade lock core anti-technology opening time is no less than 10 minutes, at present the safe class highest of C grades of lock cores.

A grades of locks are single cylinder lock with balls, generally common are a letter lock, cross lock, crescent lock etc., anti-theft performance is poor, opens The time is opened generally at several seconds to two minutes or so, therefore Chinese Consumers' Association's publication warning of consumption claims, A grades of antitheft door is locked at tens seconds very To that can open within several seconds, appeal that consumer replaces safer B grades lock in time.There is thief to be commonly called as " tin using one kind within 2011 The new technology of paper unlocking method " opens theftproof lock, and unlocking process only needs the several seconds that can complete, and tinfoil, which is unlocked, to be needed by special Tinfoil tool and be engaged on tartar since the tartar that the toughness of tinfoil locks tooth in lock body with spring lock deforms, so It will soon open.

B grades of locks are double cylinder lock with balls, be exactly it is internal there is double hoodle, increase the difficulty of technology unlatching, but due to Principle and A grades of locking phases seemingly, therefore can equally be completed to unlock using tinfoil unlocking method in very short time；The feelings unlocked for tinfoil Condition improves B grades of lock cores, i.e., super B grades of lock, from the key, super B grades of lock is usually two-sided double-row marble slot, side Also a blade or curve, which adds tinfoil open difficulty, but it is this B grade lock complicated, parts Quantity is more, and manufacturing cost is high, expensive.

C grades of locks are blade lock, and principle is to change different tartars using bevel angle on the key come in rotation into alignment lock core Angle difference changes different blades, to realize that lock core rotarily opens.Blade lock structure is complicated on the market at present, component number Amount is more than 100, and manufacturing cost is high, expensive, while having occurred the unlocking work specifically for blade lock on the market at present Tool, i.e. foam are unlocked.

In order to solve technical barrier existing for existing lock core, the applicant after researching and developing for many years, in 2 months 2016 6 Apply for that a kind of angle modulation positioning lock core makes all check and correction rings be fixed to specific angle in use, being firstly inserted into and rotating key day The gap position of ring is proofreaded in degree, then verification, if the gap position of all check and correction rings is consistent and is all located on linkage comb teeth bar Fang Shi, linkage comb teeth bar are jacked up under the action of the spring, then drive lock tongue rotation by transmission mechanism.Such lock core with it is existing Other lock core technical principles materially increase the difficulty of technology unlatching there are significantly different；Meanwhile not existing in key When at one's side, it is inserted into lock core with the standard tool that this lock core is equipped with, check and correction ring is turned into correct angle one by one, can also be completed It unlocks, reduces use cost.

Although the safe class of angle-regulating positioning lock core can reach C grades of standards, parts are more, complicated, make Cost is higher, is not suitable for large-scale production, and therefore, the applicant applied for a kind of angle modulation on 3rd by improvement in August in 2016 Formula broach positions lock core, although largely solving this problem, in order to be further reduced amount of parts, reduces Manufacturing cost, the applicant again pass by improvement, devise a kind of lock gall of wheel mortice lock.

Utility model content

For the above the deficiencies in the prior art, the purpose of this utility model is to provide a kind of lock galls of wheel mortice lock, make lock The cryptography architecture of core is easier for installation rationally.

In order to achieve the above objectives, the technical solution of the utility model is：

A kind of lock gall of wheel mortice lock, the lock gall is columnar structured, is internally provided with keyhole；The outer wall of the lock gall On be provided with the fixed seats of several axially spaced distributions, offer the shell hole communicated with keyhole in the fixed seat, and And the snap arm slot communicated with shell hole is offered in the axial sides of fixed seat.

Further, it is provided with dovetail groove in the axial sides of the fixed seat.

As a kind of embodiment, cylindrical protrusions are provided on the front end face of the lock gall.

As another embodiment, the lock gall is ladder axis structure, is divided into construction section and limit section two parts, installation The diameter of section is less than the diameter of limit section, and the fixed seat is axially spaced to be distributed on construction section, the front end of the limit section Cylindrical protrusions are provided on face.

Preferably, the bottom of the limit section offers lock gall check and correction slot and dowel hole, the dowel hole and key Keyhole communicates.

Preferably, tail ridge block is provided on the tail portion outer wall of the lock gall, the shape pair of the tail ridge block and fixed seat It answers.

As another embodiment, the lock gall is ladder axis structure, is divided into construction section and limit section two parts, installation The diameter of section is less than the diameter of limit section, and the fixed seat is axially spaced to be distributed on construction section, the front end of the limit section Crescent hole is provided on face.

Preferably, tail ridge block is provided on the tail portion outer wall of the lock gall, the shape pair of the tail ridge block and fixed seat It answers.

The beneficial effects of the utility model are：

1, several fixed seats are provided on the lock gall of the utility model, fixed seat is for installing the wheel distinctive lock of mortice lock Bullet, it is easier for installation.

2, the lock-insertion structure reasonable design of the utility model is conducive to the structure for simplifying lock core.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Wherein two width of type for those of ordinary skill in the art without having to pay creative labor, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is a kind of lock core side view.

Fig. 2 is that a kind of lock core removes the explosive view obtained after lock housing.

Fig. 3 is the lock housing sectional view of the present embodiment lock core.

Fig. 4 is the lock gall upward view of the present embodiment lock core.

Fig. 5 is the lock gall stereogram of the present embodiment lock core.

Fig. 6 is the partial enlarged view of encircled portion in Fig. 5.

Fig. 7 is the spring cup stereogram of the present embodiment lock core.

Fig. 8 is the spring cup upward view of the present embodiment lock core.

Fig. 9 is the skeleton side view of the present embodiment lock core.

Figure 10 is the skeleton stereogram of the present embodiment lock core.

Figure 11 is the lock bullet stereogram of the present embodiment lock core.

Figure 12 is that another embodiment lock core removes lock housing and the installation diagram under original state.

Figure 13 is that another embodiment lock core removes lock housing and the installation diagram under align mode.

Figure 14 is the explosive view that another embodiment lock core removes lock housing.

Figure 15 is the lock gall upward view of another embodiment.

Figure 16 is the lock gall stereogram of another embodiment.

Figure 17 is the skeleton stereogram of another embodiment.

Figure 18 is the installation diagram that another embodiment combined type proofreads ring.

Figure 19 is the broken away view that another embodiment combined type proofreads ring.

Figure 20 is the stereogram that another embodiment fixes check and correction ring.

Figure 21 is a kind of isometric front view of embodiment key.

Figure 22 is a kind of rear isometric view of embodiment key.

Specific implementation mode

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment

As shown in Fig. 1-2 0, the rear dynamic formula wheel piece check and correction lock core of the present embodiment includes lock housing 1 and lock gall 2, and lock gall 2 is mounted on In lock housing 1, and keyhole 201 is offered on the end face of lock gall 2.

Circular hollow skeleton 3 is provided in lock housing 1, skeleton 3 is mounted on lock gall 2, and the tail portion of skeleton 3 offers key slot 301, the shape of key slot 301 can be the non-circular shapes such as rectangular, triangle, diamond shape, ellipse, the present embodiment key slot 301 Shape be rectangular, when key is fully inserted into, key front end is inserted into key slot 301, can drive skeleton 3 to key Rotation.

There are five password unit, password unit includes check and correction ring 4, for controlling check and correction 4 rotation angle of ring for setting on lock gall 2 Angle positioning device and the pressurizing unit that is pressed on skeleton 3 for ring 4 will to be proofreaded, check and correction ring 4 be mounted on lock gall 2, And the provided circumferentially about of check and correction ring 4 has ratchet 401 and check and correction slot 402.

Angle positioning device includes lock bullet 6, spring (being not drawn into figure) and spring cup 7, if being provided on the outer wall of lock gall 2 The fixed seat 5 of an axially spaced distribution is done, it is in cylinder to have the shell hole 501 communicated with keyhole 201, lock bullet 6 in fixed seat 5 Shape is mounted in shell hole 501；The top of lock bullet 6 offers spring groove 601, and spring is mounted in spring groove 601, and spring cup 7 will Spring covers, and under original state, spring acts on lock bullet 6, and lock bullet 6 is made to put in keyhole 201；It locks and is connected on the side wall of bullet 6 There is a snap arm 602, under original state, spring acts on lock bullet 6, and snap arm 602 is made to snap fit onto in initial bit ratchet slot；In rotation key During, key acts on lock bullet 6, and lock bullet 6 is made to move out simultaneously compressed spring, and snap arm 602 is detached from ratchet slot, proofreads ring 4 It is rotated synchronously with skeleton 3 under the action of pressurizing unit, when proofreading the rotation predetermined angular of ring 4, lock bullet 6 is not made by key With, recoil of spring, snap arm 602 snaps fit onto in stop bit ratchet slot, proofreads ring 4 at this time and is stopped operating by the effect of snap arm 602, This check and correction ring 4 turns to correct angle position；According to this principle, when at one, check and correction ring 4 rotates correct angle, this check and correction ring 4 It is rotated synchronously with skeleton 3 by the effect stopping of snap arm 602, and remaining check and correction ring may still continue to rotate synchronously with skeleton 3 at this time, Until all check and correction rings 4 all rotate correct angle, the check and correction slot 402 of all check and correction rings 4 is aligned at this time；It is set on the circumference of skeleton 3 It is equipped with skeleton check and correction slot 302, the provided circumferentially about of lock gall 2 has lock gall to proofread slot 204, when key turns special angle, owns Check and correction slot 402 proofreads slot 302 with skeleton and lock gall check and correction slot 204 is aligned.

Be provided with location structure in lock housing 1, location structure include positioning pin 8, spring pedestal 9 and resetting spring (in figure not Draw), the front bottom end of lock gall 2 offers the pin hole 202 communicated with keyhole 201, under original state, action of reset spring in Spring pedestal 9, spring pedestal 9 generate positioning pin 8 upward active force, and positioning pin 8 is made to stretch into keyhole 201 by pin hole 202 In, in key turns special angle, key acts on positioning pin 8, and positioning pin 8 is pushed to move downward simultaneously pressed home spring； Protrusion 203 is provided on the front end face of lock gall 2, in key turns special angle, corresponding step surface acts on convex on the key 203 are played, key, which is rotated further, will drive lock gall 2 to rotate, and lock gall 2 is rotated synchronously with skeleton 3 at this time.

Connecting rod 10 and connecting rod base 11 are provided in lock housing 1, the tail portion of skeleton 3 is provided with cylinder shape lock tongue 12, lock tongue 12 Bottom be provided with lock tongue check and correction slot, when proofreading slot 402 and turning to bottom, check and correction slot 402 and lock tongue check and correction slot is aligned, and is connected Bar pedestal 11 is moved upwards by the effect of top spring, and connecting rod 10 is pushed to fall into check and correction slot 402, at this time the both ends difference of connecting rod 10 It falls into lock gall check and correction slot 204 and lock tongue check and correction slot, key is rotated further, and the rotation of lock tongue 12 is driven to complete to unlock.

The both sides that skeleton proofreads slot 302 can be arcwall face, and such connecting rod 10 can more successfully fall into or deviate from bone Frame is proofreaded in slot 302；Spring is pushed up in order to facilitate the installation of, can open up spring eye at 11 bottom both ends of connecting rod base；Certainly top spring Other elastomeric elements may be used to substitute.

It should be strongly noted that the size of key of this lock core depends on the quantity of the number of teeth and check and correction ring 4 of ratchet 401, In the present embodiment, the number of teeth of ratchet 401 is 10, for example, the corresponding angular range of each ratchet slot is 12 °, therefore proofreads ring 4 The correct angle of rotation just have 0 °, 12 °, 24 ° ..., 10 kinds of possibility such as 108 °, the quantity of check and correction ring 4 is 5, therefore entire lock The size of key of core is 10⁵.Certainly, the number of teeth of ratchet 401 and the quantity of check and correction ring 4 can be even more, and size of key is bigger, lock core Security performance it is better.

In embodiment, lock gall 2 is cylindrical structure, is made of construction section and spacing head, and the diameter of construction section is less than limit The diameter of potential head, skeleton 3 and check and correction ring 4 are sleeved on construction section, and lock tongue 12 is mounted on the tail portion of skeleton 3, the diameter of spacing head It is identical as skeleton 3, check and correction ring 4 and the diameter of lock tongue 12；Mounting hole 101 and limit hole 102, limit hole 102 are provided in lock housing 1 Diameter be less than the diameter of mounting hole 101, be greater than or equal to the diameter of keyhole 201, and limit hole 102 and mounting hole 101 Axial line is identical, and lock gall 2, skeleton 3, check and correction ring 4 and lock tongue 12 are arranged in mounting hole 101, and 12 part of lock tongue reaches Mounting hole 101 is outer (lock core can be inside and outside pair and open that the extension of lock tongue 12 acts on clipped)；It is provided in lock housing 1 Crank-guide way 103, connecting rod base mounting groove 104 and spring pedestal mounting groove 105, connecting rod 10 are arranged in crank-guide way 103, connecting rod bottom Seat 11 is arranged in connecting rod base mounting groove 104, and spring pedestal 9 is arranged in spring pedestal mounting groove 105, can be with when installation Slot is opened up in the bottom of lock housing 1, connecting rod 10, connecting rod base 11 and spring pedestal 9 are fitted by bottom slot in lock housing 1, so Afterwards again by patch by the bottom lock of lock housing 1.

In the present embodiment, snap arm slot 502 is provided in the axial sides of fixed seat 5, snap arm 602 is mounted on snap arm slot In 502；Not perforative dovetail groove 503 is provided in the peripheral side of fixed seat 5, and (the lateral opening direction of dovetail groove 503 is key The direction of rotation that spoon is opened), spring cup snap arm slot 701 is provided on the inner wall of spring cup 7, when key acts on lock bullet 6, lock Bullet 6 moves out and compressed spring, and snap arm 602 is fallen into spring cup snap arm slot 701 at this time；It is provided on the inner wall of spring cup 7 Sliding block 702 corresponding with dovetail groove, sliding block 702 are mounted in dovetail groove 503；Fluted 703 are opened up on sliding block 702, groove 703 For installing spring；The front bottom end of lock gall 2 is provided with spring pedestal fixing groove 205, and spring pedestal 9 is square, and top is made In spring pedestal fixing groove 205.

In the present embodiment, spring cup 7 be tile, and spring cup 7 with proofread ring 4 adjacent part open up it is jagged 704, under original state, the step surface 403 proofreaded on ring 4 acts at the notch 704 of spring cup 7；Skeleton 3 is by several intervals The spacer ring of distribution forms, and when skeleton 3 rotates special angle, the coupling part between two adjacent spacer rings acts on spring cup 7. When key turns special angle, the check and correction slot 402 of all check and correction rings 4 turns to bottom, the connection between two adjacent spacer rings Partial action is on spring cup 7；When key turns round special angle, the correspondence step surface 403 of check and correction ring 4 acts on spring cup 7 Notch 704 at, key returns to initial position at this time.Since the rotation angle of skeleton 3 and check and correction ring 4 is by the limit of spring cup 7 System is more advantageous to ensures that skeleton 3 and check and correction ring 4 accurately return to initial position in this way.

In the present embodiment, skeleton 3 is made of several adjacent spacer rings, password unit be mounted on two adjacent spacer rings it Between；In two adjacent spacer rings, open slot 304 is provided on one of spacer ring, pressurizing unit is mounted on open slot 304 In, check and correction ring 4 is pressed on another spacer ring.

In the present embodiment, pressurizing unit includes squeezing spring (being not drawn into figure) and crushing block 13, in order to facilitate the installation of Spring offers spring eye in the tail portion of crushing block 13, squeezes spring and be mounted in spring eye, since crushing block 13 is squeezed The active force of spring, therefore crushing block 13 acts on check and correction ring 4, and check and correction ring 4 is pressed on adjacent spacer ring.

In the present embodiment, it offers installation gap 305 corresponding with fixed seat 5 in skeleton 3, when mounting framework 3, will pacify Fill 305 alignment and fixation seat 5 of notch, thus can by skeleton 3 sets be attached on lock gall 2.

In the present embodiment, check and correction ring 4 is composed of check and correction base 41 and check and correction piece 42, and ratchet 401 is opened in check and correction base On 41, check and correction slot 402 is opened on check and correction piece 42, and more easily check and correction ring 4 can be assembled on lock gall 2 in this way, meanwhile, In the case of key loss, check and correction piece 42 can be only needed replacing, the angle position of check and correction slot 402 is changed, without Replace entire lock core.Certainly, composite structure staggeredly may be used in the junction proofreaded base 41 and proofreaded between piece 42, also may be used With using the composite structure of grafting block and slot, junction may be used the modes such as rivet and be attached.

Embodiment 2

In the present embodiment, the tail portion setting tail ridge block 206 of lock gall 2, the tail portion of skeleton 3 offers slot 306, slot It is provided with fixed check and correction ring 14 in 306, offering notch 141 corresponding with tail ridge block 206 in fixed check and correction ring 14, when installation, Fixed check and correction ring 14 is installed in slot 306 first, then again by 206 alignment notch 141 of tail ridge block, you can by 3 sets of skeleton It is attached on lock gall 2, after installation, tail ridge block 206 is in notch 141；Fixed check and correction the provided circumferentially about of ring 14 has fixed check and correction Slot 142, fixed check and correction slot 142 are aligned with lock gall check and correction slot 204, and slot 142 is proofreaded in the both ends of such connecting rod 10 by fixed always The effect that slot 204 is proofreaded with lock gall, will not twist.

As shown in figs. 21 and 22, the mating key of this lock core includes cylinder 151 and key handle 152, cylinder 151 Diameter is identical as the diameter of keyhole 201, and by the sequencing that key is inserted into, the front end of cylinder 151 is provided with key slot 301 Matched grafting block 153, when key is fully inserted into, grafting block 153 is plugged into key slot 301, and key turns drive skeleton 3 Rotation；The bullet slot 154 of 5 different in width is provided on cylinder 151, the depth for playing slot 154 is greater than or equal to stretching into for lock bullet 6 Length, play 154 corresponding angular range of slot be proofread ring maximum rotation angle with proofread ring be actually rotated in place angle it Difference, during key turns, key acts on lock bullet 6, and lock bullet 6 is made to be jacked up, and snap arm 602 is detached from initial bit ratchet slot, When check and correction ring 4 rotates to correct angle, lock bullet 6 is sprung back under the action of the spring, and lock bullet 6 pushes up back in tooth groove.

5 of the present embodiment play slots and interconnect the whole bathtub construction of composition, when processing, the side of opening up on the cylinder first Then shape notch carries out pairing processing further according to the rotation angle of check and correction ring, be plane, the other side by the side of monoblock type bullet slot It is processed into the step surface of 5 different in width.In other words, that is, using the key with rectangular notch on cylinder as blank, Then the rotation angle further according to check and correction ring carries out corresponding processing, and the processing efficiency of key can be substantially improved in this way.

In the present embodiment, the position of key handle 152 is being provided with locating slot 155, when initial position, positioning pin In 8 tops to locating slot 155, key generates limitation to positioning pin 8, and when key rotates special angle, key acts on positioning pin 8, so that positioning pin 8 is ejected, lock gall 2 is rotated synchronously with skeleton 3.

In the present embodiment, key handle 152 can be the shapes such as rectangular, cylindrical, but rotate for convenience, key hand Handle 152 designs squarely；In order to facilitate carrying, be provided with hanging hole 156 on key handle 152, key can by rope or Key chain etc. is fixed to be carried.

The operation principle of the utility model is as follows：

It will be inserted into key first, when key is fully inserted into, key acts on the key slot 31 of skeleton tail portion, drives skeleton 3 rotations；When key starts rotation, key is not contacted with positioning pin 8, and lock gall 2 does not rotate；Under original state, snap arm 602 is blocked It is connected in first ratchet slot, during key turns, key acts on lock bullet 6, so that lock bullet 6 is moved out and compresses bullet Spring, snap arm 602 are detached from ratchet slot, and check and correction ring 4 rotates synchronously under the action of pressurizing unit with skeleton 3, when key turns are certain When angle, lock bullet 6 is not acted on by key, and recoil of spring, snap arm 602 snaps fit onto in another ratchet slot, and check and correction ring 4 is blocked The effect of arm 602 stops operating, this check and correction ring 4 turns to correct angle position；According to this principle, ring 4 is proofreaded at one and is rotated When correct angle, this check and correction ring 4 is rotated synchronously by the effect stopping of snap arm 602 with skeleton 3, and remaining check and correction ring may be still at this time Continue to rotate synchronously with skeleton 3, until all check and correction rings 4 all rotate correct angle, step surface 303 acts on spring cup 7 at this time, The check and correction slot 402 of all check and correction rings 4 is aligned, and is proofreaded slot 402, skeleton check and correction slot 302 and lock gall check and correction slot 204 and be aligned, this When key be rotated further act on protrusion 22, make lock bullet 2 with skeleton 3 rotate synchronously, when proofread slot 402 turn to bottom when, Check and correction slot 402 is aligned with lock tongue check and correction slot, and connecting rod base 11 is moved upwards by the effect of top spring, and connecting rod 10 is pushed to fall into check and correction In slot 402, the both ends of connecting rod 10 are respectively fallen in lock gall check and correction slot 204 and lock tongue check and correction slot at this time, and key is rotated further, and is driven The rotation of lock tongue 12 is completed to unlock.

When extracting key, key is turned round first, and under the action of connecting rod 10, lock gall 2 and lock tongue 12 are moved back with the rotation of skeleton 3 Initial position is returned, positioning pin 8 is headed into again in keyhole 21 at this time, and limitation lock gall 2 is rotated further, and then proceedes to revolution key, Connecting rod 10 pushes connecting rod base 11 to move downward compression top spring under the action of lock gall 2, and connecting rod 10 is detached from check and correction slot 42, due to spine The one-way of tooth, during revolution, snap arm 602 is rotated without limitation on check and correction ring 4, therefore proofreads ring 4 in pressurizing unit Continue to turn round with skeleton 3 under effect, until check and correction ring 4 retracts initial angle, at this time snap arm 602 retract first ratchet slot and by To limitation, when key turns round special angle, the notch 704 on the top of step surface 403 to spring cup 7, respectively check and correction ring 4 is retracted just at this time Beginning position, finally extracts key again.

It should be strongly noted that this lock core is only a kind of embodiment using this lock gall, the present embodiment is to pass through skeleton Internal key slot drives skeleton to rotate, it is therefore named after dynamic formula wheel mortice lock, be also designed to other forms, such as before lock gall Crescent hole is opened up in the spacing head at end, extension is arranged in skeleton front end, and lock gall underseal is arranged in lock gall front end, lock gall underseal Groove is arranged in medial surface, and extension acts on groove, protrusion is arranged on the front end face of lock gall underseal, is acted on by key convex It rises and drives the rotation of lock gall underseal, and then skeleton is driven to be rotated along crescent hole, specifically refer to the name that the applicant submits on the same day For the patent document of " wheel mortice lock "；Meanwhile above two embodiment is all to be also designed to skeleton work using lock gall as benchmark On the basis of, when using skeleton as benchmark, can lock gall be directly designed to cylindrical shape, cylindrical protrusions are set on front end face, led to It crosses key and acts on protrusion, lock gall rotation, such situation is directly driven to can refer to entitled " the skeleton base that the applicant submits on the same day The patent document of quasi- wheel mortice lock ".

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (8)

1. a kind of lock gall of wheel mortice lock, which is characterized in that the lock gall is columnar structured, is internally provided with keyhole；It is described It is provided with the fixed seat of several axially spaced distributions on the outer wall of lock gall, offers in the fixed seat and is communicated with keyhole Shell hole, and the snap arm slot communicated with shell hole is offered in the axial sides of fixed seat.

2. the lock gall of wheel mortice lock according to claim 1, it is characterised in that：It is provided in the axial sides of the fixed seat Dovetail groove.

3. the lock gall of wheel mortice lock according to claim 1, it is characterised in that：It is provided with cylinder on the front end face of the lock gall Shape protrusion.

4. the lock gall of wheel mortice lock according to claim 1, it is characterised in that：The lock gall is ladder axis structure, is divided into Construction section and limit section two parts, the diameter of construction section are less than the diameter of limit section, and the fixed seat is axially spaced to be distributed in On construction section, cylindrical protrusions are provided on the front end face of the limit section.

5. the lock gall of wheel mortice lock according to claim 4, it is characterised in that：The bottom of the limit section offers lock gall school To slot and dowel hole, the dowel hole is communicated with keyhole.

6. the lock gall of wheel mortice lock according to claim 4, it is characterised in that：It is provided with tail on the tail portion outer wall of the lock gall Ridge block, the tail ridge block are corresponding with the shape of fixed seat.

7. the lock gall of wheel mortice lock according to claim 1, it is characterised in that：The lock gall is ladder axis structure, is divided into Construction section and limit section two parts, the diameter of construction section are less than the diameter of limit section, and the fixed seat is axially spaced to be distributed in On construction section, crescent hole is provided on the front end face of the limit section.

8. the lock gall of wheel mortice lock according to claim 7, it is characterised in that：It is provided with tail on the tail portion outer wall of the lock gall Ridge block, the tail ridge block are corresponding with the shape of fixed seat.