CN105257096B - Door lock protector - Google Patents

Abstract

The present invention is on a kind of door lock protector, the door lock protector is provided with a fixture and a protection cap, the fixture is provided with a thickness, at least two locating parts, one installation hole, multiple passages and at least two projections seat, the locating part of wherein at least two is formed on two relative edge sides of fixture, installation hole through fixture lateral surface and medial surface and between the top of fixture, between bottom and at least two locating parts, each passage is through fixture positioned at the side of at least two locating parts, each projection seat is provided with a height, the protection cap is combined with the fixture and provided with an opening ora terminalis, one containing groove, at least two position limit arms, one spacing and a patchhole, the ora terminalis that is open runs through the medial surface of protection cap and provided with a periphery, each position limit arm has a thickness, the height of wherein each projection seat is more than or equal to the thickness of each position limit arm, and the spacing is more than or equal to the thickness of the fixture, and then offer one can conveniently manufacture and reduce the door lock protector of manufacturing cost and time.

Description

Door lock protector

Technical field

It is espespecially a kind of to facilitate manufacture and reduce the door of manufacturing cost and time the present invention relates to a kind of door lock protector Lock protective device.

Background technology

Existing lock core is located in a lockset, and the lockset allows the door-plate to lock on a door-plate, so as to avoiding stranger from entering Enter effect indoor and then that a protection is provided and ensured, wherein when the lockset is fixedly arranged on the door-plate, the key end of the lock core The one side of the door-plate can be stretched out, and existing door lock protector can be fixedly arranged on the side of the door-plate and be sheathed on the lock core In key end, so as to avoiding stranger from destroying the lock core.

A fixture 61 and one is provided with please refer to the door lock protector 60 for as illustrated in the schematic views of figures 7 and 8, being currently used for lock core Protection cap 62, the fixture 61 be fixedly arranged on the one side of the door-plate and provided with a top, a bottom, a medial surface, a lateral surface, Two opposite side walls 611, multiple cards set block 612, an installation hole 613 and two keyholes 614, the medial surface of the fixture 61 and the door-plate Side mutually recline, and two opposite side walls 611 are respectively in parallel to each other between the top and bottom of the fixture 61, each card If the compartment of terrain projection of block 612 is formed in the two opposite side walls 611 of the fixture 61, wherein each card sets block 612 as a wedge shape knot Structure and provided with a medial surface, a lateral surface and an inclined-plane 615, the inclined-plane 615 sets the medial surface and lateral surface of block 612 located at the card Between and with two sides Jian Chengyi oblique angles configure, the installation hole 613 through the fixture 61 medial surface and lateral surface and between Between the top and bottom of the fixture 61, the installation hole 613 is sheathed in the key end of the lock core, and two keyholes 614 are passed through respectively Wear the medial surface and lateral surface and the top between the fixture of the fixture 61, between bottom and the installation hole 613, this is fixed Part 61 by two can be arranged in bolt in two keyholes 614 respectively and with the mutually fixed combination of the door-plate.

The protection cap 62 is removably combined with the fixture 61, and is sheathed on the key of the lock core of fixture 61 and one On end, the protection cap 62 provided with a top, a bottom, a medial surface, a lateral surface, one opening ora terminalis 621, a containing groove 622, Multiple engaging projections 623, the patchhole 625 of multiple passages 624 and one, the medial surface of the protection cap 62 are affixed with the side of the door-plate Lean on, the opening ora terminalis 621 is located at the medial surface of the protection cap and with a periphery, and the containing groove 622 is in the protection cap 62 And between the medial surface and lateral surface of the protection cap, the containing groove 622 be covered on the outside of the fixture 61 and with the opening Ora terminalis 621 is communicated, and each engaging projection 623 is spaced projection inwardly and formed on the periphery of the protection cap 62 opening ora terminalis 621, and can Block 612 is set with each card of the fixture 61 mutually block and set combination, wherein respectively engaging projection 623 tilts snap-latch surface 626 provided with one, when this Protection cap 62 is when the fixture 61 is combined, and the inclination snap-latch surface 626 of each engaging projection 623 can set block 612 with wherein one card Inclined-plane 615 mutually block and set combination, the protection cap 62 firmly can be combined with the fixture 61, each passage 624 runs through the guarantor The medial surface of protecting cover 62 and between two adjacent cards set projection 623 between and communicated with the containing groove 622, the patchhole 625 is passed through Wear the lateral surface of the protection cap 62 and communicated with the containing groove 622, and it is relative with the straight line of installation hole 613 of the fixture 61.

It is upper using, when the fixture 61 mutually reclines with door-plate side and makes the installation hole 613 in alignment with door-plate side Installation hole, and by two bolts wear respectively two keyholes 614 and with the mutually fixed combination of the door-plate, make the fixture 61 can be firmly On the side of the door-plate, the protection cap 62 can be sheathed on the fixture 61 via the opening ora terminalis 621 and each passage 624 On, and the fixture 61 is arranged in the containing groove 622, the protection cap 62 is moved relative to the fixture 61, makes each engaging The inclined-plane 615 that the inclination snap-latch surface 626 of projection 623 can set block 612 with wherein one card of the fixture 61, which mutually blocks, sets combination, passes through Tilt snap-latch surface 626 and mutually block the mode for setting combination with corresponding inclined-plane 615, the protection cap 62 and the phase point of fixture 61 can be avoided It is arranged in from, the lock core on door-plate and the key end of the lock core stretches out the installation hole that door-plate side is then passed through on fixture 61 613 and protection cap 62 on patchhole 625.

As described above, though existing door lock protector 60 can avoid stranger from destroying the lock core；However, existing door lock protection Device 60 has following missing and deficiency, and in manufacture, the door lock protector 60 must be in the fixture 61 and the protection cap Multiple cards with inclined-plane 615 are processed on 62 respectively and set block 612 and multiple with the engaging projection 623 for tilting snap-latch surface 626, And the relative cost that can increase needed for producing of such a manufacture and time, further, higher processing essence is needed during fabrication Degree can just produce each inclined-plane 615 as shown in Figure 9 and the corresponding card tilted between snap-latch surface 626 sets relation, and this is high-precision Processing mode can also increase the cost and time needed for manufacture.

Therefore, missing and deficiency of the present invention in view of existing door lock protector when actually manufacture, spy is by continuous Experiment and research, developing finally a kind of can improve the door lock protector of existing missing.

The content of the invention

It is an object of the invention to provide a kind of door lock protector, it is not required to process respectively on the fixture and the protection cap The inclined-plane and the inclination snap-latch surface, can be greatly decreased cost required during manufacture and time, so provide one can conveniently manufacture and Reduce manufacturing cost and the door lock protector of time.

Based on above-mentioned purpose, the present invention with technological means be to provide a door lock protector, it is included:

One fixture, the fixture is provided with a top, a bottom, a medial surface, a lateral surface, two relative edges sideways, extremely Few two locating parts, an installation hole, multiple passages and at least two projections seat, at least two locating parts form in the two-phase of the fixture To in flank side surface, and each locating part is provided with a medial surface, a lateral surface and a flank side surface, and the medial surface of each locating part is flat for one Face, the flank side surface of each locating part is at right angles configured with its medial surface and lateral surface respectively, the thickness of each locating part and the fixture Thickness it is identical, the installation hole is through the lateral surface of the fixture and medial surface and the top between the fixture, bottom and should Between at least two locating parts, each passage is through the fixture positioned at the side of at least two locating parts, at least two projections seat Projection forms in the medial surface of the fixture, and each projection seat is provided with an abutment side surface；

One protection cap, the protection cap is removedly combined with the fixture, and is sheathed on outside the fixture, the protection It is covered with a top, a bottom, a medial surface, a lateral surface, an opening ora terminalis, a containing groove, at least two position limit arms and one slotting Enter hole, the opening ora terminalis through the protection cap medial surface and provided with a periphery, the containing groove in the protection cap and between Between the medial surface and lateral surface of the protection cap, the containing groove is covered on outside the fixture and communicates and set with the opening ora terminalis There is a bottom surface, at least two position limit arms projection inwardly is formed on the periphery of the opening ora terminalis and through the passage of the fixture, When the protection cap is when the fixture is combined, at least two position limit arms can be corresponded to mutually presses with least two locating parts of the fixture To reclining, each position limit arm is provided with a flank side surface, a lateral surface and a medial surface, and the medial surface of the position limit arm is a plane and can be with The medial surface of a wherein locating part is mutually reclined, and the flank side surface of each position limit arm is at right angles configured with its lateral surface and medial surface respectively, The protection, which is placed between the medial surface of each position limit arm and the bottom surface of the containing groove, is provided with a spacing, and the patchhole runs through the protection cap Lateral surface and communicated with the containing groove, it is and relative with the installation hole straight line of the fixture；And

The height of wherein each projection seat is more than or equal to the thickness of each position limit arm, and the abutment side surface of each projection seat can be through opening Ora terminalis and stretch out outside at least two position limit arms of the protection cap, and positioned at each position limit arm medial surface and the containing groove bottom surface between Spacing be more than or equal to the thickness of the fixture, will not be at least two spacing with this when allowing the fixture to be located in the containing groove Arm produces interference.

Further, foregoing protection cap compresses block provided with least two, respectively compress block it is flexible and when the protection cap with should When fixture is combined, respectively compressing block can lean with the lateral surface of the fixture.

Further, foregoing protection cap compresses block provided with two engagement grooves and two, is installed with wherein each engagement groove is recessed in this The bottom surface of groove and communicated with the containing groove, and respectively compress block and be correspondingly arranged in each engagement groove and offseted with the lateral surface of the fixture Lean on.

It is preferred that the engagement groove wherein described in one is in the protection cap and between the patchhole and the top of the protection cap Between end, and another described engagement groove is in the protection cap and between the patchhole and the bottom of the protection cap.

It is preferred that described fixture is provided with a stopper slot, the stopper slot runs through the fixture, and the stopper slot is located at and leaned on The bottom end of the nearly fixture, and described protection cap is provided with a gag lever post, gag lever post projection outwardly forms in the containing groove Bottom surface, and can be combined with the stopper slot of the fixture, so as to providing locating effect of the protection cap relative to the fixture.

It is preferred that described fixture is provided with two projections seat and two keyholes, wherein each projection seat is in hollow form, and two bolts Hole is through the medial surface and lateral surface of the fixture and relative and communicate with two projections seat straight line respectively.

It is preferred that described fixture is provided with four passages, wherein two passages be correspondingly arranged at least two locating parts and Between the bottom of the fixture, and two other passage is correspondingly arranged between at least two locating parts and the top of the fixture.

It is preferred that described protection cap is provided with the position limit arm that four projections are formed on the periphery of the opening ora terminalis, and When assembling the door lock protector, each position limit arm is fed through the passage of the fixture respectively.

By above-mentioned technological means, door lock protector of the invention, when manufacturing the fixture and the protection cap, no The inclined-plane and the inclination snap-latch surface need to be processed respectively on the fixture and the protection cap, consequently, it is possible to which manufacture can be greatly decreased Shi Suoxu cost and time, in addition, two locating parts of manufacture and the requirement on machining accuracy that at least two position limit arms lean, relatively make Make each inclined-plane and engage the requirement on machining accuracy that inclined-plane fastens with each inclination and come low, therefore, can also reduce needed for manufacturing into This and time, so provide one can conveniently manufacture and reduce the door lock protector of manufacturing cost and time.

Brief description of the drawings

The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：

Fig. 1 is the three-dimensional appearance schematic diagram of door lock protector of the present invention.

Fig. 2 is the three-dimensional appearance decomposing schematic representation of door lock protector of the present invention.

Fig. 3 is schematic side view of the door lock protector of the present invention along 3-3 hatchings.

Fig. 4 is side view operation chart of the door lock protector of the present invention along 4-4 hatchings.

Fig. 5 is that door lock protector of the present invention is installed on a door-plate and shown with the three-dimensional appearance operation that a lock core is combined It is intended to.

Fig. 6 is that door lock protector of the present invention is installed on a door-plate and shown with the three-dimensional appearance operation that a door knob is combined It is intended to.

Fig. 7 is the three-dimensional appearance operation chart of existing door lock protector.

Fig. 8 is the side view operation chart of existing door lock protector.

Fig. 9 is schematic side view of the existing door lock protector along 9-9 hatchings.

Main element label declaration：

The fixture of 10 door lock protector 20

The installation hole of 21 locating part 22,22 '

The stopper slot of 23 passage 24,24 '

The projection of 25 keyhole 26 seat

30 protection caps 31 opening ora terminalis

The position limit arm of 32 containing groove 33

The gag lever post of 34 patchhole 35

36 engagement grooves 37 compress block

The door-plate of 40 lock core 50

The door knob of 51 bolt 52

60 door lock protectors

The opposing sidewalls of 61 fixture 611

612 cards set the installation hole of block 613

The inclined-plane of 614 keyhole 615

62 protection caps 621 opening ora terminalis

622 containing grooves 623 engage projection

The patchhole of 624 passage 625

626 tilt snap-latch surface

X thickness Y height

A spacing B thickness

Embodiment

With the following drawings and preferred embodiments of the present invention, the present invention is expanded on further to reach predetermined goal of the invention institute The technological means taken.

Please refer to as shown in Fig. 1 to 3 and 5, door lock protector 10 provided by the present invention, it includes a fixation The protection cap 30 of part 20 and one, wherein:

Please refer to as shown in Fig. 3 and 5, the fixture 20 be fixedly arranged on the side of a door-plate 50 and provided with a top, One bottom, a medial surface, a lateral surface, two relative edges side, a thickness X, two locating parts 21, an installation hole 22, multiple passages 23rd, a stopper slot 24, two keyholes 25 and two projections seat 26, the side of the wherein medial surface of the fixture 20 and the door-plate 50 is practised physiognomy Right, two locating parts 21 are formed separately on two relative edge sides of the fixture 20, and each locating part 21 is provided with a medial surface, one Lateral surface, a flank side surface and a thickness, the side of the medial surface and the door-plate 50 of two locating parts 21 are facing, and two locating parts 21 Medial surface be respectively a plane, the flank side surface of each locating part 21 is at right angles configured with its medial surface and lateral surface respectively, two limit The thickness of position part 21 is identical with the thickness X of the fixture 20, and the installation hole 22 runs through the lateral surface and medial surface of the fixture 20 And between the top between the fixture 20, bottom and two locating parts 21, and it is sheathed on a key end of a lock core 40, each passage 23 can be located at the side of two locating parts 21, further, the fixture for semicircle or arcuate structure and through the fixture 20 20 are located between two locating parts 21 and the bottom of fixture 20 provided with four passages 23, two of which passage 23, and two other Passage is located between two locating parts 21 and the top of fixture 20；

The stopper slot 24 can be for rectangle and through the fixture 20, and the stopper slot 24 is provided close to the bottom of the fixture 20 Place, two keyholes 25 run through the lateral surface and medial surface of the fixture 20 and respectively positioned at the top of the fixture 20 and bottom end, Please refer to as shown in figure 5, two bolts 51 are arranged in two keyholes 25 of the fixture 20 and mutually locked with the door-plate 50 respectively With reference to, make the fixture 20 can be firmly on the door-plate 50, and two projections seat 26 forms in this in hollow form and projection and consolidated Determine the medial surface of part 20 and relative with the straight line of two keyhole 25 respectively and communicate, further, each projection seat 26 is provided with an abutment side surface And a height Y, when the fixture 20 is fixedly arranged on the door-plate 50, the side of the abutment side surface and the door-plate 50 of two projections seat 26 Mutually recline, it is preferable that as shown in Figure 6 when the door lock protector 10 is when a door knob 52 is combined, the installation hole 22 ' is in one The circular configuration outside the door knob 52 is coated on, and the stopper slot 24 ' is an elongated perforation；And

The protection cap 30 is removably combined with the fixture 20, and is sheathed on outside the fixture 20 and the lock core 40 Portion, the protection cap 30 is provided with a top, a bottom, a medial surface, a lateral surface, an opening ora terminalis 31, a containing groove 32, at least Two position limit arms 33, a patchhole 34, a gag lever post 35, two engagement grooves 36 and two compress block 37, when the protection cap 30 is fixed with this When part 20 is combined, the side of the medial surface of the protection cap 30 and the door-plate 50 mutually reclines, and the opening ora terminalis 31 runs through the protection The medial surface of lid 30 and provided with a periphery, the containing groove 32 in the protection cap 30 and the medial surface between the protection cap 30 and Between lateral surface, the containing groove 32 is covered on the outside of fixture 20 and communicates and provided with a bottom surface, be somebody's turn to do with the opening ora terminalis 31 At least two position limit arms 33 can be formed on the periphery of the opening ora terminalis 31 for semicircle and projection inwardly, and pass through the fixture 20 Passage 23, when the protection cap 30 is when the fixture 20 is combined, two that at least two position limit arms 33 can be with the fixture 20 Locating part 21, which is mutually compressed, to recline, further, and each position limit arm 33 is provided with a medial surface, a flank side surface and a lateral surface, the position limit arm 33 medial surface is that a plane and can mutually be reclined with the medial surface of a wherein locating part 21, the flank side surface of each position limit arm 33 respectively with Its medial surface and lateral surface are at right angles configured, it is preferable that the protection cap 30 forms in the opening ora terminalis 31 provided with four projections Position limit arm 33 on periphery, and when assembling the door lock protector 10, each position limit arm 33 is fed through the fixture 20 respectively Passage 23；

Further, each position limit arm 33 has a thickness B, wherein the height Y of each projection seat 26 is more than or equal to each position limit arm 33 thickness B, i.e. Y≤B, when the protection cap 30 is when the fixture 20 is combined, the abutment side surface of two projections seat 26 can be via The opening ora terminalis 31 and stretch out outside each position limit arm 33 of the protection cap 30, and leant with the side of the door-plate 50, by preceding The mode that each projection 26 abutment side surfaces of seat lean with the side of door-plate 50 is stated, the fixture 20 can firmly be located at the door-plate 50 On, in addition, the protection cap 30 is provided with a spacing A between the medial surface of each position limit arm 33 and the bottom surface of containing groove 32, wherein should Spacing A is more than or equal to the thickness X of the fixture 20, i.e. A≤X, spacing A can allow the fixture 20 to be located at the containing groove 32 When, the situation interfered will not be produced between each position limit arm 33；And

The patchhole 34 can be for circle or with one and the identical shape of installation hole 22, and the patchhole 34 passes through the guarantor The lateral surface of protecting cover 30 and communicated with the containing groove 32, and it is relative with the straight line of installation hole 22 of the fixture 20, it is preferable that such as The patchhole 34,34 ' shown in Fig. 5 and 6 is a structure being consistent with the shape of installation hole 22,22 ', the projection outwardly of gag lever post 35 The bottom surface of the containing groove 32 is formed in, and can be combined with the stopper slot 24 of the fixture 20, so as to providing the phase of protection cap 30 For a locating effect of the fixture 20, each engagement groove 36 can for rectangle and it is recessed in the bottom surface of the containing groove 32 and with the appearance If groove 32 is communicated, further, wherein an engagement groove 36 is in the protection cap 30 and between the patchhole 34 and the protection cap 30 Between top, and another engagement groove 36 is located in the protection cap 30 and between the patchhole 34 and the bottom of protection cap 30, Two to compress block 37 flexible and be respectively arranged in two engagement grooves 36, when the protection cap 30 is when the fixture 20 is combined, and two Compress block 37 can and the lateral surface of the fixture 20 lean, and then allow two locating parts 21 and the protection cap 30 of the fixture 20 At least two position limit arms 31 mutually compress and recline, the protection cap 30 firmly can be combined with the fixture 20.

Door lock protector of the present invention is in use, refer to as shown in Fig. 3 to 5, the fixture 20 and the door-plate 50 Side mutually reclines, and the installation hole 22 is sheathed on outside the key end of the lock core 40, wherein due to the height Y of each projection seat 26 More than or equal to the thickness B of each position limit arm 33, therefore, the abutment side surface of each projection seat 26 can via the protection cap 30 openend Edge 31 and stretch out outside each position limit arm 33 and mutually reclined with the side of the door-plate 50, and two bolts 51 are fed through two keyholes 25 respectively And two projection seat 26 and with the mutually fixed combination of door-plate 50, and then by the fixture 20 firmly located at the door-plate 50 side On, after the fixture 20 is fixedly arranged on the side of the door-plate 50, the protection cap 30 can be via the opening ora terminalis 31 and each passage 23 And the fixture 20 is sheathed in the containing groove 32, the protection cap 30 is moved relative to the fixture 20, makes at least two limits The position medial surface of arm 33 mutually reclines with the locating part 21 of the fixture 20, can thus avoid the protection cap 30 and the fixture 20 are separated, further, since the spacing A of the protection cap 30 is more than or equal to the thickness X of the fixture 20, therefore the fixture 20 Can be located at the containing groove 32 in and between at least two position limit arms 33 and the bottom surface of containing groove 32, without with this at least two Position limit arm 33 produces the situation that interferes, further, and two be respectively arranged in two engagement grooves 36, which compress block 37 and can push against this, to consolidate Determine two locating parts 21 of part 20, two locating part 21 is mutually compressed with least two position limit arms 33 of the protection cap 30 and recline, make The protection cap 30 firmly can be combined with the fixture 20, in addition, please refer to as shown in fig. 6, the door lock of the present invention is protected Protection unit 10 also can be used on door knob 52, and the effect so as to providing the door knob 52 1 protection makes the door lock protection dress of the present invention 10 are put not only to can be used on lock core 40, also can be used in the reality on door knob 52, greatly improving door lock protector 10 of the present invention The property used.

By above-mentioned technological means, door lock protector 10 of the invention is manufacturing the fixture 20 and the protection cap When 30, it is not required in processing the inclined-plane 615 and the inclination snap-latch surface 626, such one on the fixture 20 and the protection cap 30 respectively Come, cost required during manufacture and time can be greatly decreased, in addition, two locating parts 21 of manufacture offset with least two position limit arms 33 The requirement on machining accuracy leaned on, relatively manufactures each inclined-plane 615 and engages the requirement on machining accuracy that inclined-plane 626 fastens with each inclination and Low, therefore, can also reduce the cost needed for manufacturing and time, and then provide one can conveniently manufacture and reduce manufacturing cost and time Door lock protector 10.

Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should Belong to the scope of protection of the invention.And it should be noted that the present invention each part be not limited in above-mentioned entirety should With each technical characteristic described in specification of the invention can select one individually to use or select multinomial according to actual needs Combine and use, therefore, the present invention covers other combinations relevant with this case inventive point and concrete application in the nature of things.

Claims (8)

1. a kind of door lock protector, comprising a protection cap, the protection cap provided with a top, a bottom, a medial surface, one outside Sideways, an opening ora terminalis, a containing groove, an and patchhole, the patchhole through the protection cap lateral surface and with it is described Containing groove is communicated, it is characterised in that：

The door lock protector also includes a fixture；The fixture provided with a top, a bottom, a medial surface, outside one Sideways, two relative edges side, at least two locating parts, an installation hole, multiple passages and at least two projections seat, spacing at least described in two Part is formed on two relative edge sides of the fixture, and each locating part is provided with a medial surface, a lateral surface and one side Sideways, the medial surface of each locating part is a plane, the flank side surface of each locating part respectively with its medial surface and lateral surface At right angles configuration, the thickness of each locating part is identical with the thickness of the fixture, and the installation hole runs through the fixture Lateral surface and medial surface and the top between the fixture, bottom and at least between locating part described in two, each passage Through the fixture positioned at the side of locating part at least described in two, the projection of projection seat forms in the fixation at least described in two The medial surface of part, and each projection seat is provided with an abutment side surface；

The protection cap is removedly combined with the fixture, and is sheathed on outside the fixture, and the protection cap is also Provided with least two position limit arms, the opening ora terminalis runs through the medial surface of the protection cap and provided with a periphery, and the containing groove is set In in the protection cap and between the medial surface and lateral surface of the protection cap, the containing groove is covered on the fixture Outside and communicated with the opening ora terminalis and be provided with a bottom surface, position limit arm projection inwardly forms in the openend at least described in two On the periphery of edge and through the passage of the fixture, when the protection cap is when the fixture is combined, at least described in two Position limit arm can be corresponded to mutually to compress with the locating part at least described in two of the fixture and reclined, and each position limit arm is provided with an avris Face, a lateral surface and a medial surface, the medial surface of the position limit arm for a plane and can be with locating part wherein described in one inner side Face is mutually reclined, and the flank side surface of each position limit arm is at right angles configured with its lateral surface and medial surface respectively, and the protection is placed on each A spacing, the dress of the patchhole and the fixture are provided between the bottom surface of the medial surface of the position limit arm and the containing groove Apertured straight line is relative；And

The height of wherein each projection seat is more than or equal to the thickness of each position limit arm, the abutment side surface of each projection seat Can stretch out at least described in two outside position limit arm of the protection cap through opening ora terminalis, and medial surface positioned at each position limit arm and Spacing between the bottom surface of the containing groove is more than or equal to the thickness of the fixture, allows the fixture to be installed with located at described When in groove, interference will not be produced with position limit arm at least described in two.

2. door lock protector according to claim 1, it is characterised in that the protection cap compresses block provided with least two, Each block that compresses is flexible and when the protection cap is with the fixture is combined when, it is each described in compress block can with it is described solid The lateral surface for determining part leans.

3. door lock protector according to claim 2, it is characterised in that the protection cap is provided with two engagement grooves and two institutes State and compress block, communicated wherein each engagement groove is recessed in the bottom surface of the containing groove and with the containing groove, and each pressure Supports block is correspondingly arranged in each engagement groove and leant with the lateral surface of the fixture.

4. door lock protector according to claim 3, it is characterised in that engagement groove is located at the protection wherein described in one In lid and between the top of the patchhole and the protection cap, and another engagement groove in the protection cap and Between the bottom of the patchhole and the protection cap.

5. door lock protector according to any one of claim 1 to 4, it is characterised in that the fixture is provided with one Stopper slot, the stopper slot runs through the fixture, and the stopper slot is provided close to the bottom end of the fixture, and described protects Protecting cover is provided with a gag lever post, and gag lever post projection outwardly forms in the bottom surface of the containing groove, and can be with the fixture Stopper slot is combined, so as to providing locating effect of the protection cap relative to the fixture.

6. door lock protector according to claim 5, it is characterised in that the fixture be provided with projection seat described in two and Two keyholes, wherein each projection seat is in hollow form, and keyhole described in two through the fixture medial surface and lateral surface and It is relative and communicate with projection seat straight line described in two respectively.

7. door lock protector according to claim 6, it is characterised in that the fixture is provided with four passages, wherein Passage described in two is correspondingly arranged at least described in two between the bottom of locating part and the fixture, and two other described passage pair It should be located at least described in two between the top of locating part and the fixture.

8. door lock protector according to claim 7, it is characterised in that the protection cap is formed in provided with four projections The position limit arm on the periphery of the opening ora terminalis, and when assembling the door lock protector, each position limit arm difference It is fed through the passage of the fixture.