CN203113925U - Blocking-prevention reciprocating screw rod mechanism used for lockset - Google Patents
Blocking-prevention reciprocating screw rod mechanism used for lockset Download PDFInfo
- Publication number
- CN203113925U CN203113925U CN 201320112781 CN201320112781U CN203113925U CN 203113925 U CN203113925 U CN 203113925U CN 201320112781 CN201320112781 CN 201320112781 CN 201320112781 U CN201320112781 U CN 201320112781U CN 203113925 U CN203113925 U CN 203113925U
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- screw rod
- slide block
- screw mandrel
- blocking
- sliding block
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Abstract
The utility model discloses a blocking-prevention reciprocating screw rod mechanism used for a lockset. The blocking-prevention reciprocating screw rod mechanism comprises a screw rod and a sliding block, wherein the screw rod is arranged in an axial hole of the sliding block and drives the sliding block to move axially, and a protruding device matched with a thread groove of the screw rod is arranged on the hole wall of the axial hole of the sliding hole. The protruding device can be a roll ball or a protruding column. According to the blocking-prevention reciprocating screw rod mechanism, the protruding device is used for replacing a traditional thread screw port, the same thread transmission function can be achieved, and the blocking-prevention reciprocating screw rod mechanism has the remarkable advantages that machining is simpler, faster and more convenient, and cost is saved; and when the sliding block operates to the tail end of a stroke, due to the fact that the protruding device is blocked by a thread groove end portion of the screw rod in the tangential direction, action of axial force does not exist, even the screw rod continues to be subjected to rotating power (such as driving or inertia effects of a motor) at the moment, the phenomenon of blocking cannot occur, the screw rod enables the sliding block to move reversely and smoothly in reverse rotating, and the purpose that the screw rod drives the sliding block to do reciprocating motion without blocking is realized.
Description
Technical field
The utility model relates to a kind of reciprocal screw body for lockset, relates in particular to a kind of anti-jamming reciprocal screw body for lockset.
Background technology
Electric lockset is used more and more general at present, and its opening and closing realize with micromachine that generally the rotating shaft of motor drives the screw mandrel rotation, and screw mandrel drives slide block and moves axially.The principle of its transmission is machining screw in the axial hole of slide block, and the screw-internal thread fit transmission of the external screw thread of screw mandrel and slide block changes rotatablely moving of screw mandrel into slide block move axially, and realizes the purpose that slide block moves.Because opening and closing are two opposite processes, so slide block also needs back and forth to move axially, this device is exactly the reciprocal screw body for lockset.
The existing reciprocal screw body that is used for lockset, when motor is reciprocating by screw mandrel drive slide block, when slide block movement to a certain end of travel, and limited block is when blocking, the screw mandrel rotary power continue because position detecting mechanism lost efficacy to move or to cause because of its inertia owing to motor, may cause the internal and external threads axially loaded interlocking stuck (effect of similar holding screw) of screw mandrel and slide block, forward and reverse all being difficult to of motor drives again.After this phenomenon occurring, this reciprocal screw body need repairing or change after could continue to use.
The utility model content
The purpose of this utility model provides a kind of anti-jamming reciprocal screw body for lockset with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Anti-jamming reciprocal screw body for lockset described in the utility model comprises screw mandrel and slide block, described screw mandrel places in the axial hole of described slide block and drives described slide block and moves axially, and the hole wall of the axial hole of described slide block is provided with the male means that cooperates with the thread groove of described screw mandrel.
Control for the ease of the stroke start-stop position to slide block, be provided with two in the thread groove of described screw mandrel and be used for described male means is stopped spacing block that two described blocks lay respectively at the both sides of described male means; Described block is welded in the thread groove of described screw mandrel or is installed in the radial hole of described screw mandrel.
Particularly, described male means is ball, and the hole wall of the axial hole of described slide block is provided with the slide block groove, and described ball places in the thread groove of described slide block groove and described screw mandrel simultaneously.
Perhaps, described male means is projection, and the top of described projection places in the thread groove of described screw mandrel, and described projection and described slide block are one-body molded or be installed in the radial hole on the described slide block.
The beneficial effects of the utility model are:
The utility model replaces traditional silk thread mouth with male means, can realize identical screw thread transmission agency, and have significant superiority: one, processing are simple more, quick, save cost; They are two years old, when slide block moves to end of travel, because male means is blocked spacing from tangential direction by the thread groove end of screw mandrel or block, there is not the effect of axial force, even this moment, screw mandrel continued to be subjected to rotary power (as driving or the effect of inertia of motor), stuck phenomenon can not occur yet, can make slide block successfully oppositely mobile during the screw mandrel reverse rotation, reach screw mandrel and drive the not stuck purpose of slide block reciprocating motion.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of traditional reciprocal screw body;
Fig. 2 is the axial sectional structure schematic diagram of traditional reciprocal screw body;
Fig. 3 is the main TV structure schematic diagram of the utility model embodiment 1 described anti-jamming reciprocal screw body;
Fig. 4 is the A-A sectional view among Fig. 3;
Fig. 5 is the B-B sectional view among Fig. 4;
Fig. 6 is the main TV structure schematic diagram of the utility model embodiment 2 described anti-jamming reciprocal screw bodies;
Fig. 7 is the C-C sectional view among Fig. 6;
Fig. 8 is the D-D sectional view among Fig. 7;
Fig. 9 is the main TV structure schematic diagram of the utility model embodiment 3 described anti-jamming reciprocal screw bodies;
Figure 10 is the E-E sectional view among Fig. 9;
Figure 11 is the main TV structure schematic diagram of the utility model embodiment 4 described anti-jamming reciprocal screw bodies;
Figure 12 is the F-F sectional view among Figure 11.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Structure to traditional reciprocal screw body describes as follows at first by reference to the accompanying drawings:
As depicted in figs. 1 and 2, traditional reciprocal screw body comprises screw mandrel 1 and slide block 2, and screw mandrel 1 places in the axial hole 8 of slide block 2 and drives slide block 2 and moves axially, and screw mandrel 1 is by motor 3 driven rotary, in order to control the position of slide block 2, be equipped with positive stop 7 at the two ends of slide block 2.Motor 3 drives slide block 2 when reciprocating by screw mandrel 1, when slide block 2 moves to a certain end of travel, and limited block 7 is when blocking, owing to motor 3 continues because position detecting mechanism lost efficacy to move or there is rotary power in the screw mandrel 1 that causes because of its inertia, may cause screw mandrel 1 and the internal and external threads axially loaded of slide block 2 to interlock stuck (effect of similar holding screw), 3 forward and reverse all being difficult to of motor drive again.After this phenomenon occurring, this reciprocal screw body need repairing or change after could continue to use.
As Fig. 3, Fig. 4 and shown in Figure 5, anti-jamming reciprocal screw body for lockset described in the utility model comprises screw mandrel 1 and slide block 2, screw mandrel 1 places in the axial hole of slide block 2 and drives slide block 2 and moves axially, the hole wall of the axial hole 8 of slide block 2 is provided with the ball 6 that cooperates with the thread groove (unmarked among the figure) of screw mandrel 1, the hole wall of the axial hole 8 of slide block 2 is provided with slide block groove (unmarked among the figure), and ball 6 places in the thread groove of slide block groove and screw mandrel 1 simultaneously.Compare Fig. 1 and Fig. 2 as can be known, because ball 6 is located in the slide block groove on the hole wall of axial hole 8 of slide block 2, ball 6 places in the thread groove of screw mandrel 1 simultaneously, guarantee that like this screw mandrel 1 and slide block 2 can not break away from mutually, so only need set the start-stop position of thread groove of screw mandrel 1 and ball 6 as required with respect to the axial location of slide block 2, get final product the end of travel position of accurate positioning sliding block 2, and do not need to install baffle plate additional at the two ends of slide block 2.Also show motor shaft 5 among Fig. 5.
In the said structure, for the ease of processing, the slide block groove adopts following structure to realize: the position processing radial hole (in figure unmarked) corresponding with ball 6 on slide block 2, this radial hole communicates with the axial hole 8 of slide block 2, insert projection 4 more from outside to inside after ball 6 put into from this radial hole, realize stable the installation.Illustrate: the projection here 4 is actual to be exactly a pin, here do not have bulge-structure, but the projection 4 of this pin feature and following embodiment 2 is homogenous configuration, it is the length difference, so, in order to keep the uniformity of Reference numeral in the presents, title and the mark identical with following embodiment 2 have been adopted here.
The operating principle of present embodiment and effect are embodied in the content of above-mentioned beneficial effect and illustrate, do not repeat them here.
Embodiment 2: as Fig. 6, Fig. 7 and shown in Figure 8, compare with embodiment 1, the difference of present embodiment is: change ball 6 into projection 4, the top of projection 4 places in the thread groove of screw mandrel 1, and projection 4 is installed in the radial hole on the slide block 2.This structure is compared with embodiment 1, and the one, cancelled ball 6, two, the length lengthening with projection 4 places in the thread groove of screw mandrel 1 its top.
Embodiment 3: as Fig. 9 and shown in Figure 10, compare with embodiment 1, the difference of present embodiment is: be provided with two in the thread groove of screw mandrel 1 and be used for ball 6 is stopped spacing block 9a and 9b, two block 9a and 9b lay respectively at the both sides of ball 6. Block 9a and 9b are installed in the radial hole of screw mandrel 1, also can be welded in the thread groove of screw mandrel 1.
Embodiment 4: as Figure 11 and shown in Figure 12, compare with embodiment 2, the difference of present embodiment is: be provided with two in the thread groove of screw mandrel 1 and be used for projection 4 is stopped spacing block 9a and 9b, two block 9a and 9b lay respectively at the both sides of projection 4. Block 9a and 9b are installed in the radial hole of screw mandrel 1, also can be welded in the thread groove of screw mandrel 1.
Above-described embodiment has been listed part preferred structure of the present utility model, but also can make a lot of apparent variations on this basis, as long as these variations all do not break away from core texture of the present utility model, then all falls in the protection domain of the utility model patent.
Claims (5)
1. anti-jamming reciprocal screw body that is used for lockset, comprise screw mandrel and slide block, described screw mandrel places in the axial hole of described slide block and drives described slide block and moves axially, and it is characterized in that: the hole wall of the axial hole of described slide block is provided with the male means that cooperates with the thread groove of described screw mandrel.
2. the anti-jamming reciprocal screw body for lockset according to claim 1, it is characterized in that: be provided with two in the thread groove of described screw mandrel and be used for described male means is stopped spacing block that two described blocks lay respectively at the both sides of described male means.
3. the anti-jamming reciprocal screw body for lockset according to claim 2 is characterized in that: described block is welded in the thread groove of described screw mandrel or is installed in the radial hole of described screw mandrel.
4. according to claim 1,2 or 3 described anti-jamming reciprocal screw bodies for lockset, it is characterized in that: described male means is ball, the hole wall of the axial hole of described slide block is provided with the slide block groove, and described ball places in the thread groove of described slide block groove and described screw mandrel simultaneously.
5. according to claim 1,2 or 3 described anti-jamming reciprocal screw bodies for lockset, it is characterized in that: described male means is projection, the top of described projection places in the thread groove of described screw mandrel, and described projection and described slide block are one-body molded or be installed in the radial hole on the described slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320112781 CN203113925U (en) | 2013-03-13 | 2013-03-13 | Blocking-prevention reciprocating screw rod mechanism used for lockset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320112781 CN203113925U (en) | 2013-03-13 | 2013-03-13 | Blocking-prevention reciprocating screw rod mechanism used for lockset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203113925U true CN203113925U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320112781 Expired - Lifetime CN203113925U (en) | 2013-03-13 | 2013-03-13 | Blocking-prevention reciprocating screw rod mechanism used for lockset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203113925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140880A (en) * | 2020-01-02 | 2020-05-12 | 宁波方太厨具有限公司 | Air door adjusting device and gas stove comprising same |
-
2013
- 2013-03-13 CN CN 201320112781 patent/CN203113925U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140880A (en) * | 2020-01-02 | 2020-05-12 | 宁波方太厨具有限公司 | Air door adjusting device and gas stove comprising same |
| CN111140880B (en) * | 2020-01-02 | 2021-07-09 | 宁波方太厨具有限公司 | Air door adjusting device and gas stove comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151210 Address after: 610097 Industrial Park, No. 199 West Avenue, West Zone, Chengdu high tech Zone, Sichuan, China Patentee after: CHENGDU HEIZHIMA TECHNOLOGY Co.,Ltd. Address before: No. 12 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610000 Patentee before: SMARTEK SYSTEM (SICHUAN) Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |