CN204457185U - Labeled door and latch door bolt head - Google Patents
Labeled door and latch door bolt head Download PDFInfo
- Publication number
- CN204457185U CN204457185U CN201420784410.5U CN201420784410U CN204457185U CN 204457185 U CN204457185 U CN 204457185U CN 201420784410 U CN201420784410 U CN 201420784410U CN 204457185 U CN204457185 U CN 204457185U
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- Prior art keywords
- door bolt
- bolt head
- spline
- latch
- door
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- Expired - Fee Related
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Abstract
The utility model provides a kind of latch door bolt head, door bolt head is arranged on connecting rod, connecting rod drives stretching out or retracting of door bolt head, the bottom of door bolt head arranges chute, in chute, spline is set, one end that spline is thin is positioned at the head of door bolt head, and thickness is identical with the thickness of chute, the afterbody of spline pushes against device by elasticity and pushes against, door bolt head is when stretching into pin hole, the head of door bolt head is inserted in pin hole, the inner side of pin hole is by spline structure progressively jam-packed, door bolt head continues in the process of stretching out, pin hole promotes spline and slides in chute, thus have the top of door bolt head and spline jointly to push against pin hole, avoid rocking between door bolt head and pin hole, after unblanking, spline pushes against by elasticity the head that device pushes back to door bolt head, ensure the stability of the repetition locking mechanism of door bolt head.By increasing the spline structure of slip on door bolt head, improve the compactness of latch door bolt head and pin hole cooperation.The utility model additionally provides a kind of labeled door.
Description
Technical field
The utility model relates to labeled door technical field, more particularly, relates to a kind of labeled door and latch door bolt head.
Background technology
Latch is a kind of simple components preventing door from opening, and generally include the latch door bolt head of the band bar be fixed on door and be fixed on doorframe fasten with latch the pin hole that head coordinates, it is corresponding with the pin hole position on doorframe that the installation site of head on door fastened with a bolt or latch by latch.
The latch door bolt head of current use is all straight-bar, due to the error of door in process of manufacture, be difficult to reach door leaf bolt coordinate with the accurate of Door frame, cause latch door bolt head and pin hole to coordinate between the latter two and there is gap, after locking a door, door leaf coordinates not tight with doorframe, and door leaf rocks after cut out.Existing product is solved the problem by the method improving door leaf bolt and Door frame quality of fit, however improve machining accuracy increase difficulty of processing, cause the waste of unnecessary man power and material.
Therefore, how improving the compactness of latch door bolt head and pin hole cooperation, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the utility model provides a kind of latch door bolt head, to realize the compactness improving latch door bolt head and pin hole cooperation; The utility model additionally provides a kind of labeled door.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of latch door bolt head, comprise door bolt head and the connecting rod being arranged at described door bolt head inner tail, the bottom of described door bolt head is provided with the chute arranged along its length, the spline sliding and arrange is provided with in described chute, the head chute inwall of fastening head described in the Bao Duanyu of described spline with a bolt or latch offsets, and identical with the groove depth of described chute, be also provided with the elasticity pushed against with the thick end of described spline in described chute and push against device.
Preferably, in above-mentioned latch door bolt head, described door bolt head is also arranged with its slippage is led, and guide pin bushing that is spacing and guiding is carried out to the slippage of described spline.
Preferably, in above-mentioned latch door bolt head, described guide pin bushing is plastics guide pin bushing.
Preferably, in above-mentioned latch door bolt head, described spline comprises and wedge-shaped part and the sliding part of fitting with the inwall of described guide pin bushing, and described elasticity pushes against device and described sliding part offsets.
Preferably, in above-mentioned latch door bolt head, it is that one end and described spline offset that described elasticity pushes against device, the spring that the chute inwall of the other end and described door bolt head-tail offsets.
Preferably, in above-mentioned latch door bolt head, the compression end of described spring is positioned at the inside of described guide pin bushing.
Preferably, in above-mentioned latch door bolt head, described door bolt head is also arranged with and carries out fixing installing plate is installed to it.
Preferably, in above-mentioned latch door bolt head, described connecting rod is telescopic to be installed in described door bolt head, and the end of described door bolt head arranges the locking nut of locking described connecting rod.
A kind of labeled door, comprises door leaf and Door frame, and the correspondence position of described door leaf and described Door frame is provided with latch door bolt head and pin hole, and described latch door bolt head is the latch door bolt head as above described in any one.
The latch door bolt head that the utility model provides, comprise door bolt head and be arranged at the connecting rod of fastening head inner tail with a bolt or latch, the bottom of door bolt head is provided with the chute arranged along its length, the spline sliding and arrange is provided with in chute, the head chute inwall of the Bao Duanyu door bolt head of spline offsets, and identical with the groove depth of chute, be also provided with the elasticity pushed against with the thick end of spline in chute and push against device.Door bolt head is arranged on connecting rod, connecting rod drives stretching out or retracting of door bolt head, the bottom of door bolt head arranges chute, in chute, spline is set, one end that spline is thin is positioned at the head of door bolt head, and thickness is identical with the thickness of chute, the afterbody of spline pushes against device by elasticity and pushes against, door bolt head is when stretching into pin hole, the head of door bolt head is inserted in pin hole, the inner side of pin hole is by spline structure progressively jam-packed, door bolt head continues in the process of stretching out, pin hole promotes spline and slides in chute, thus have the top of door bolt head and spline jointly to push against pin hole, avoid rocking between door bolt head and pin hole, after unblanking, spline pushes against by elasticity the head that device pushes back to door bolt head, ensure the stability of the repetition locking mechanism of door bolt head.By increasing the spline structure of slip on door bolt head, improve the compactness of latch door bolt head and pin hole cooperation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the latch door bolt head that Fig. 1 provides for the utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the structural representation of latch door bolt head that provides for the utility model of Fig. 1.
The utility model provides a kind of latch door bolt head, comprise door bolt 1 and be arranged at the connecting rod 5 of door bolt 1 inner tail, the bottom of door bolt 1 is provided with the chute 2 arranged along its length, the spline 3 sliding and arrange is provided with in chute 2, the inwall of the head chute 2 of the Bao Duanyu door bolt 1 of spline 3 offsets, and identical with the groove depth of chute 2, be also provided with the elasticity pushed against with the thick end of spline 3 in chute 2 and push against device 4.Door bolt 1 is arranged on connecting rod 5, connecting rod 5 drives stretching out or retracting of door bolt 1, the bottom of door bolt 1 arranges chute 2, spline 3 is set in chute 2, one end that spline 3 is thin is positioned at the head of door bolt 1, and the thickness of the thinner one end of spline is identical with the thickness of chute 2, the afterbody of spline 3 pushes against device 4 by elasticity and pushes against, door bolt 1 is when stretching into pin hole, the head of door bolt 1 is inserted in pin hole, the inner side of pin hole is by spline structure progressively jam-packed, door bolt 1 continues in the process of stretching out, pin hole promotes spline 3 and slides in chute, thus have the top of door bolt 1 and spline 3 jointly to push against pin hole, door bolt is avoided to rock between 1 and pin hole, after unblanking, spline 3 pushes against by elasticity the head that device 4 pushes back to door bolt 1, ensure the stability of the repetition locking mechanism of door bolt 1.By increasing the spline structure of slip on door bolt 1, improve the compactness that latch door bolt head and pin hole coordinate.
Certainly, the operating principle of above-mentioned spline only for illustration of the duty of spline, instead of limits the position of door bolt head spline after mounting.
For optimizing technique scheme further, door bolt 1 being also arranged with its slippage is led, and guide pin bushing 7 that is spacing and guiding is carried out to the slippage of spline 3.Latch door bolt head is arranged in door leaf, its door bolt 1 is by stretching out in door leaf and regaining, for ensureing that door bolt 1 stretches out and the accuracy in direction in withdrawal process, with with pin hole accurate fit, the guide pin bushing 7 led to the slippage of door bolt 1 is set, spline 4 synchronously stretches out with door bolt 1 and regains in door bolt 1 slipping, the position-limiting action being simultaneously subject to pin hole slippage in the chute of door bolt 1, spline 3 is simultaneously spacing in guide pin bushing 7, the dislocation of spline 1 pair of elastic limit device 4 is avoided to cause spline 3 to be deviate from by chute 2, the slippage of guide pin bushing 7 pairs of splines 3 is simultaneously led, the stability of spline 3 slippage in chute is ensured by guide pin bushing 7.
In the present embodiment, guide pin bushing 7 is plastics guide pin bushing.Plastics guide pin bushing is easy to realize the installation of door bolt 1 in door leaf, also ensure that its installation strength simultaneously.
In the utility model one specific embodiment, spline 3 comprises and wedge-shaped part and the sliding part of fitting with the inwall of guide pin bushing 7, and elasticity pushes against device 4 and offsets with sliding part.Spline 3 is the length direction along door bolt 1; thickness by a head of fastening 1 with a bolt or latch to the thickening gradually wedge-like structure of its afterbody; be arranged in chute 2 due to spline 3 slippage; in order to avoid spline 3 is in slipping; spline 3 produces dislocation in chute 2 can not the problem of normal slippage in chute 2; arranged by spline 3 and comprise wedge-shaped part and sliding part two parts, wedge-shaped part coordinates with pin hole, realizes by the slippage of the spacing promotion spline 3 of pin hole.Sliding part is fitted with the inwall of guide pin bushing 7 and chute 2 respectively, is surrounded the slippage passage of spline 3 by chute 2 and guide pin bushing 7, ensures the uniformity of state in spline 3 slipping.Elasticity pushes against device 4 and offsets with the sliding part of spline 3, provides the reset power of spline 3.
For optimizing technique scheme further, elasticity pushes against device 4 and offsets for one end and spline 3, the spring that the other end offsets with chute 2 inwall of door bolt 1 afterbody.Elasticity pushes against device 4 and is set to the spring that compression direction arranges along the length direction of door bolt 1, spring falls within chute 2, the two ends of spring offset with the afterbody of door bolt 1 and spline 3 respectively, in the process of spline 3 slippage, spring is compressed, by Compress Spring, spline 3 is pushed against, ensure spline 3 and door bolt 1 pair of pin hole clamping, ensure the stability of door leaf.
In the present embodiment, the compression end of spring is positioned at the inside of guide pin bushing 7.Promote spring generation compressive strain in spline slipping, deviate from by chute after camber of spring, the compression end of chute is arranged the inside extending into guide pin bushing, certainly, also guide pin bushing can be located on spring, thus ensure in the spline course of work, the stability of spring compression structure.
For optimizing technique scheme further, door bolt 1 being also arranged with and carrying out fixing installing plate 8 is installed to it.Latch door bolt head is arranged on door leaf inside, arrange the installing plate 8 be set on door bolt 1, side and the door leaf inwall of installing plate 8 push against, and opposite side can be adjacent to guide pin bushing, thus the slippage passage providing door bolt 1 stable, ensure an accuracy for door bolt 1 slippage in door leaf locking and opening process.
For optimizing technique scheme further, connecting rod 5 is telescopic to be installed in door bolt 1, and the end of door bolt 1 arranges the locking nut 6 of locking connecting rod 5.When the head assembling of latch door bolt, first door bolt 1 is loaded onto connecting rod 5, and mix up the installation length of connecting rod 5 and door bolt 1, then locked by the position of locking nut 6 pairs of connecting rods 5 and door bolt 1, when assembling, carve the just parallel with the shop front facing to Men Nei of bar 3, by spline 3 and door bolt 1 pair of pin hole width, namely the pin hole of door opening direction pushes against, avoid door leaf rocking on opening direction, load onto spring and carve bar, putting plastics guide pin bushing, snap in door leaf preformed hole, assembling completes.
By increasing spline structure on latch door bolt head, the door leaf that the deviation solving pin hole processing causes rocks problem.On doorframe, pin hole need not distribution type be holed again, and on doorframe, pin hole can carry out machine continuous productive process, increases work efficiency, uses manpower and material resources sparingly simultaneously, reaches the effect of energy-saving and emission-reduction.
Based on the latch door bolt head provided in above-described embodiment, the utility model additionally provides a kind of labeled door, comprise door leaf and Door frame, the correspondence position of door leaf and Door frame is provided with latch door bolt head and pin hole, the latch door bolt head of the latch door bolt head that this labeled door is provided with for providing in above-described embodiment.
Because this labeled door have employed the latch door bolt head of above-described embodiment, so the beneficial effect that this labeled door fastens headband with a bolt or latch by latch please refer to above-described embodiment.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a latch door bolt head, it is characterized in that, comprise door bolt head and the connecting rod being arranged at described door bolt head inner tail, the bottom of described door bolt head is provided with the chute arranged along its length, the spline sliding and arrange is provided with in described chute, the head chute inwall of fastening head described in the Bao Duanyu of described spline with a bolt or latch offsets, and identical with the groove depth of described chute, is also provided with the elasticity pushed against with the thick end of described spline and pushes against device in described chute.
2. latch door bolt head according to claim 1, is characterized in that, described door bolt head is also arranged with and leads to its slippage, and carries out guide pin bushing that is spacing and guiding to the slippage of described spline.
3. latch door bolt head according to claim 2, it is characterized in that, described guide pin bushing is plastics guide pin bushing.
4. latch door bolt head according to claim 2, it is characterized in that, the sliding part that described spline comprises wedge-shaped part and fits with the inwall of described guide pin bushing, described elasticity pushes against device and described sliding part offsets.
5. latch according to claim 2 door bolt head, it is characterized in that, it is that one end and described spline offset that described elasticity pushes against device, the spring that the chute inwall of the other end and described door bolt head-tail offsets.
6. latch door bolt head according to claim 5, it is characterized in that, the compression end of described spring is positioned at the inside of described guide pin bushing.
7. latch door bolt head according to claim 1, is characterized in that, described door bolt head is also arranged with and carries out installing fixing installing plate to it.
8. latch door bolt head according to claim 1, it is characterized in that, described connecting rod is telescopic to be installed in described door bolt head, and the end of described door bolt head arranges the locking nut of locking described connecting rod.
9. a labeled door, comprises door leaf and Door frame, and the correspondence position of described door leaf and described Door frame is provided with latch door bolt head and pin hole, it is characterized in that, described latch door bolt head is the latch door bolt head as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784410.5U CN204457185U (en) | 2014-12-11 | 2014-12-11 | Labeled door and latch door bolt head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784410.5U CN204457185U (en) | 2014-12-11 | 2014-12-11 | Labeled door and latch door bolt head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457185U true CN204457185U (en) | 2015-07-08 |
Family
ID=53664091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420784410.5U Expired - Fee Related CN204457185U (en) | 2014-12-11 | 2014-12-11 | Labeled door and latch door bolt head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204457185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401333A (en) * | 2016-10-19 | 2017-02-15 | 王力安防产品有限公司 | Lock pin mechanism used for door/window sash top and bottom rods and mother-child door |
-
2014
- 2014-12-11 CN CN201420784410.5U patent/CN204457185U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401333A (en) * | 2016-10-19 | 2017-02-15 | 王力安防产品有限公司 | Lock pin mechanism used for door/window sash top and bottom rods and mother-child door |
| CN106401333B (en) * | 2016-10-19 | 2018-06-01 | 王力安防科技股份有限公司 | For the latch gear and big and small door of door and window fan universe rod |
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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: 20150708 Termination date: 20171211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |