CN203175220U - Bolt used for passenger and goods elevator in construction site - Google Patents
Bolt used for passenger and goods elevator in construction site Download PDFInfo
- Publication number
- CN203175220U CN203175220U CN 201320161967 CN201320161967U CN203175220U CN 203175220 U CN203175220 U CN 203175220U CN 201320161967 CN201320161967 CN 201320161967 CN 201320161967 U CN201320161967 U CN 201320161967U CN 203175220 U CN203175220 U CN 203175220U
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- China
- Prior art keywords
- housing
- fork
- bolt
- latch
- connecting portion
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- Withdrawn - After Issue
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Abstract
The utility model provides a bolt for a passenger and goods elevator in a construction site, belonging to the technical field of machinery. The bolt disclosed by the utility model solves the technical problem that the existing bolt of the passenger and goods elevator in the construction site can be eroded easily and damaged in bad environment of the construction site. The bolt for the passenger and goods elevator in the construction site comprises a cylindrical shell and a bolt head; the bolt head is positioned inside the shell and can extend out of or retract to one end of the shell; a bolt rod is further arranged in the shell; one end of the bolt rod is connected with the bolt head, and the bolt rod can rotate along the axial direction of the bolt rod; and a limiting structure capable of preventing the bolt head from further extending out after the bolt head partially extends out of the shell is arranged between the bolt head and the shell. The bolt disclosed by the utility model has the advantages of preventing dust from entering the shell, being suitable for construction site environment, and having a long service life.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of latch, particularly a kind of latch for building site people's goods elevator.
Background technology
People's goods elevator refers to do vertical transport in building operations uses, and possesses manned simultaneously and the dual-purpose elevator of the ascending/decending people goods loading transportation function, is called people's goods elevator, and people's goods elevator generally is used for the building site.
The discharging platform of people's goods elevator is provided with protective door, protective door is by being fixed on latch and the plug housing gauge tap on the door, because people's goods elevator uses in the building site, environment is more abominable, the latch of therefore general family expenses all can not satisfy on intensity and durability, and therefore the latch of people's goods elevator comprises latch all as the disclosed bolt for handles of Chinese patent literature [CN2303911Y] at present, the plate seat is provided with a handle apparatus at latch.This latch all needs manually to go to finish the switch of latch when the protective door switch of people's goods elevator, because workman and construction material turnover people goods elevator are frequent in daily construction is produced, when passing in and out people's goods elevator, all need the elevator operator that latch is operated at every turn, remove the switch protective door, reduced operating efficiency, also relative raising cost of production; In addition because this latch is open, latch is easy to suffer erosion and destroy under the adverse circumstances of building site, greatly reduces the application life of latch, and stuck situation when in use plug-in switch occurring easily, cause the reduction of operating efficiency, prolonged the construction period.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of latch for building site people's goods elevator, and this latch has simple in structure and is applicable to the characteristics of building site environment.
The purpose of this utility model can realize by following technical proposal: a kind of latch for building site people's goods elevator, described latch comprises tubular housing and fork, it is characterized in that, described fork is positioned at housing and fork can stretch out or a withdraw end of housing, also be provided with bolt rod in the described housing, one end of described bolt rod is connected with fork and described bolt rod can rotate along its axial direction, is provided with between described fork and the housing and can prevents the position limiting structure that fork continues to stretch out after fork partly stretches out housing.
People from building site goods elevator comprises protective door and plug housing, and the housing of latch is weldingly fixed on the inboard of protective door and fork can act on the plug housing, and protective door adopts the mode switch of swing; The workman can drive the fork withdrawal or stretch out housing by the pulling bolt rod, when opening the door, in the fork withdrawal housing not with plug housing against, protective door just can be opened, close behind the door fork stretch out housing and plug housing against, protective door is just closed dead, simplified the operation of switch door, effectively saved the time of elevator up and down, increased work efficiency of workers, fork and bolt rod are positioned at the housing of tubular in addition, and be simple in structure and can reduce dust and enter in the housing, be applicable to the building site environment, reduced maintenance cost.
At the above-mentioned latch that is used for building site people's goods elevator, described fork has connecting portion and dead bolt portion, and described dead bolt portion has the dead bolt face that is the inclined-plane, and described bolt rod is threaded fixing with connecting portion.Dead bolt face at closing time can with plug housing against, plug housing can promote in the fork withdrawal housing; Bolt rod is threaded with connecting portion and can regulates bolt rod and stretch out the outer length of housing, makes things convenient for workman's switch protective door under different situations, and being threaded simultaneously, it is more firm to make that bolt rod is connected with fork.
At the above-mentioned latch that is used for building site people's goods elevator, described position-limit mechanism comprises gag lever post and leans piece, described gag lever post is fixed on the side of above-mentioned connecting portion, and the lateral projections of the above-mentioned relatively connecting portion of gag lever post, the described piece that leans is fixed on the inside wall of an end of housing, when described gag lever post stretches out an end of housing in dead bolt portion with lean piece against.The distance of the end that the lateral ends that gag lever post is positioned at connecting portion and connecting portion and dead bolt portion have a common boundary and to lean piece identical along the thickness of housing axial direction.
As another kind of situation, at the above-mentioned latch that is used for building site people's goods elevator, described position-limit mechanism comprises the limited block and the spacing hole that is opened on the housing of the lateral projections of relative connecting portion, described spacing hole is elongated, the spacing hole length direction is parallel with the axial direction of housing, and described limited block passes spacing hole.When an end of housing stretches out in dead bolt portion limited block and spacing hole near the hole wall of an end of housing against, prevent that fork from further stretching out housing, when dead bolt portion withdraws housing fully limited block and spacing hole away from the hole wall of an end of housing against.
At the above-mentioned latch that is used for building site people's goods elevator, described bolt rod comprises the handle portion of bar portion and the bending of relative bar portion, one end of described bar portion offers screw thread, be provided with nut between described bar portion and the connecting portion, described nut is weldingly fixed on the end of connecting portion, and described bar portion is connected with nut thread.Handle portion makes things convenient for workman's grasping, and bar portion is by being connected with the fixing nut thread of connecting portion, and is simple in structure, and is easy to process and bonding strength is big; When not using handle portion, can make it parallel with protective door by turning handle portion, prevent that scraping of workman from injuring minimizing taking people's goods elevator space, building site.
At the above-mentioned latch that is used for building site people's goods elevator, fixedly there is banking stop the end of the other end of described housing, described bolt rod passes banking stop, be provided with spring between described banking stop and the fork, described spring housing is located on the bolt rod, one end of described spring and banking stop against, the other end and nut against, described spring is in compressive state.Spring makes fork have the trend of stretching out housing all the time, therefore can automatically protective door be locked when the workman closes protective door, has improved work efficiency of workers, has saved the construction period.
At the above-mentioned latch that is used for building site people's goods elevator, described gag lever post comprises the limiting section one that is positioned at connecting portion one side and the limiting section two that is positioned at bolt rod one side, has angle a between the axial direction of described limiting section two and the axial direction of bolt rod, described angle a is 3 °～5 °, the end of described limiting section two and the inside wall of housing against.The length of limiting section two equals shell length and deducts fork along the length of housing axial direction, when an end of dead bolt portion withdrawal housing the end of limiting section two and banking stop against, resistance when limiting section two is withdrawn housing with the inside wall of housing against increase dead bolt portion, stuck when preventing dead bolt portion withdrawal housing, can prevent simultaneously that fork from rotating, and guarantees the fluency when latch uses when the withdrawal housing.
At the above-mentioned latch that is used for building site people's goods elevator, offer groove on the end face of described connecting portion, described groove is connected with the screwed hole of nut, and an end of described bar portion can stretch in the groove.Adjustable range was bigger when bar portion can stretch into groove and make to regulate bolt rod and be positioned at the outer length of housing, made that the scope of application of latch is wider.
At the above-mentioned latch that is used for building site people's goods elevator, the rectangular shaped as frame in the cross section of described housing, described fork is rectangular, it is side one that described connecting portion fixedly has the face of gag lever post, described side one with lean piece against, other three faces of described connecting portion all with the inside wall of housing against.Housing rectangular with contact area protective door big, can be more firm be fixed on the protective door, the inside wall of connecting portion and housing enters in the housing against reducing dust, the increase latch physical life, reduced maintenance cost.
At the above-mentioned latch that is used for building site people's goods elevator, the described piece that leans is cuboid, distance between described relative two inside walls with housing of length that lean piece is identical, the described two ends that lean piece are resisted against respectively on two inside walls of housing, and lean the end face of an end of a side of piece and housing.Lean piece and tear thief's cooperation open with the end sealing of housing, prevent that dust from entering in the housing, increase the physical life of latch, reduced maintenance cost.
Compared with prior art, this latch that is used for people from building site goods elevator has following advantage:
1, big by the bolt rod bonding strength that is threaded with fork, can regulate the length that bolt rod stretches out housing simultaneously, also can make handle portion parallel with protective door by rotary regulating lever, prevent that scraping of workman from injuring minimizing taking people's goods elevator space, building site.
2, by gag lever post when fork stretches out or withdraws housing respectively with lean piece and banking stop against the moving range that limits fork, limiting section two has angle a with bolt rod simultaneously, stuck when preventing dead bolt portion withdrawal housing, can prevent simultaneously that fork from rotating, and guarantees the fluency when latch uses when the withdrawal housing.
3, by banking stop and fork that housing is sealed at both ends, prevent that dust from entering in the housing, be applicable to the building site environment, increased application life.
Description of drawings
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the perspective view at another visual angle of the present utility model.
Fig. 3 is the structural representation that bolt rod of the present utility model, fork and gag lever post cooperate.
Fig. 4 is the cross-sectional view of dead bolt of the present utility model portion when passing housing.
Among the figure, 11, housing; 12, banking stop; 13, lean piece; 21, fork; 22, connecting portion; 22a, groove; 23, dead bolt portion; 23a, dead bolt face; 31, bolt rod; 32, bar portion; 33, handle portion; 41, nut; 51, spring; 61, gag lever post; 62, limiting section one; 63, limiting section two.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment one
A kind of latch for building site people's goods elevator, as shown in Figures 1 to 4, latch comprises tubular housing 11 and fork 21, fork 21 is positioned at housing 11 and fork 21 can stretch out or a withdraw end of housing 11, people from building site goods elevator comprises protective door and plug housing, the housing 11 of latch is weldingly fixed on the inboard of protective door and fork 21 can act on the plug housing, and protective door adopts the mode switch of swing; Also be provided with bolt rod 31 in the housing 11, one end of bolt rod 31 is connected with fork 21 and bolt rod 31 can rotate along its axial direction, is provided with between fork 21 and the housing 11 and can prevents the position limiting structure that fork 21 continues to stretch out after fork 21 parts are stretched out housing 11.
As Fig. 1, shown in Figure 3, fork 21 has connecting portion 22 and dead bolt portion 23, connecting portion 22 is rectangular, dead bolt portion 23 rectangular triangles, dead bolt portion 23 has the dead bolt face 23a that is the inclined-plane, bolt rod 31 is threaded fixing with connecting portion 22, dead bolt face 23a at closing time can with plug housing against, plug housing can promote in the fork 21 withdrawal housings 11.Position-limit mechanism comprises gag lever post 61 and leans piece 13, gag lever post 61 is fixed on the side of connecting portion 22, gag lever post 61 is fixed on the connecting portion 22 by the mode of welding in the present embodiment one, and the lateral projections of gag lever post 61 relative connecting portions 22, lean piece 13 and be fixed on the inside wall of an end of housing 11, when gag lever post 61 stretches out an end of housing 11 in dead bolt portion 23 with lean piece 13 against.The distance of the end that the lateral ends that gag lever post 61 is positioned at connecting portion 22 and connecting portion 22 and dead bolt portion 23 have a common boundary and to lean piece 13 identical along the thickness of housing 11 axial directions.
As shown in Figure 3, Figure 4, bolt rod 31 comprises the handle portion 33 of bar portion 32 and 32 bendings of relative bar portion, one end of bar portion 32 offers screw thread, the ratio of the length of present embodiment one king-rod portion 32 and the length of handle portion 33 is 3:1, the height of screw thread is 3cm, be provided with nut 41 between bar portion 32 and the connecting portion 22, nut 41 is weldingly fixed on the end of connecting portion 22, and bar portion 32 is threaded with nut 41.Offer groove 22a on the end face of connecting portion 22, groove 22a is connected with the screwed hole of nut 41, and an end of bar portion 32 can stretch in the groove 22a.Adjustable range was bigger when bar portion 32 can stretch into groove 22a and make to regulate bolt rod 31 and be positioned at the outer length of housing 11.
As Fig. 2, shown in Figure 3, fixedly there is banking stop 12 end of the other end of housing 11, banking stop 12 is fixed by welding on the housing 11 in the present embodiment one, bolt rod 31 passes banking stop 12, be provided with spring 51 between banking stop 12 and the fork 21, spring 51 is set on the bolt rod 31, an end of spring 51 and banking stop 12 against, the other end and nut 41 against, spring 51 is in compressive state.Spring 51 makes fork 21 have the trend of stretching out housing 11 all the time, therefore can automatically protective door be locked when the workman closes protective door.
As shown in Figure 3, Figure 4, gag lever post 61 comprises the limiting section 1 that is positioned at connecting portion 22 1 sides and the limiting section 2 63 that is positioned at bolt rod 31 1 sides, has angle a between the axial direction of the axial direction of limiting section 2 63 and bolt rod 31, angle a is 3 °～5 °, angle a is 4 ° in the present embodiment one, the inside wall of the end of limiting section 2 63 and housing 11 against.The length of limiting section 2 63 equals housing 11 length and deducts fork 21 along the length of housing 11 axial directions, when an end of dead bolt portion 23 withdrawal housings 11 end of limiting section 2 63 and banking stop 12 against.
As shown in Figures 1 to 4, the rectangular shaped as frame in the cross section of housing 11, fork 21 is rectangular, it is side one that connecting portion 22 fixedly has the face of gag lever post 61, side one with lean piece 13 against, other three faces of connecting portion 22 all with the inside wall of housing 11 against.Lean piece 13 and be cuboid, it is identical with distance between housing 11 relative two inside walls to lean the length of piece 13, and the two ends that lean piece 13 are resisted against respectively on two inside walls of housing 11, and leans the end face of an end of a side of piece 13 and housing 11.
The workman can drive fork 21 withdrawals or stretch out housing 11 by pulling bolt rod 31, when opening the door, in the fork 21 withdrawal housings 11 not with plug housing against, protective door just can be opened, close behind the door fork 21 by the elasticity of spring 51 stretch out automatically housing 11 and plug housing against, protective door is just closed dead, simplified the operation of switch door, effectively saved the time of elevator up and down, increased work efficiency of workers, fork 21 and bolt rod 31 are positioned at the housing 11 of tubular in addition, and banking stop 12 and fork 21 are with housing 11 closed at both ends, simple in structure and can reduce dust and enter in the housing 11, be applicable to the building site environment, reduced maintenance cost.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, different place is: position-limit mechanism comprises the limited block and the spacing hole that is opened on the housing of the lateral projections of relative connecting portion, spacing hole is elongated, the spacing hole length direction is parallel with the axial direction of housing, and limited block passes spacing hole.When an end of housing stretches out in dead bolt portion limited block and spacing hole near the hole wall of an end of housing against, prevent that fork from further stretching out housing, when dead bolt portion withdraws housing fully limited block and spacing hole away from the hole wall of an end of housing against.
Embodiment three
Present embodiment is basic identical with structure and the principle of embodiment one, different place is: fixedly there is banking stop the end of the other end of housing, banking stop has body and the cylindrical lug boss one of relative body lateral projections, lug boss one is positioned at the middle part of body side, the middle part of body offers through hole one, through hole runs through body and lug boss one, the lateral surface of lug boss one offers external screw thread, has lug boss two on the inside wall of the other end of housing, the middle part offers through hole two on the lug boss two, offer internal thread on the hole wall of through hole two, lug boss one and lug boss two are threaded, the through hole one that bolt rod passes banking stop is threaded with fork, the end of the limiting section two of gag lever post can with lug boss one against.Banking stop is threaded with housing, can play in use with gag lever post to cooperate the displacement that limits fork, and for convenience detach and assembling can be maintained latch at any time simultaneously.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used housing 11 morely; Banking stop 12; Lean piece 13; Fork 21; Connecting portion 22; Groove 22a; Dead bolt portion 23; Dead bolt face 23a; Bolt rod 31; Bar portion 32; Handle portion 33; Nut 41; Spring 51; Gag lever post 61; Limiting section 1; Limiting section 2 63 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. latch that is used for people from building site goods elevator, described latch comprises tubular housing (11) and fork (21), it is characterized in that, described fork (21) is positioned at housing (11) and fork (21) can stretch out or a withdraw end of housing (11), also be provided with bolt rod (31) in the described housing (11), one end of described bolt rod (31) is connected with fork (21) and described bolt rod (31) can rotate along its axial direction, is provided with between described fork (21) and the housing (11) to prevent the position limiting structure that fork (21) continues to stretch out after fork (21) part is stretched out housing (11).
2. the latch for building site people's goods elevator according to claim 1, it is characterized in that, described fork (21) has connecting portion (22) and dead bolt portion (23), described dead bolt portion (23) has the dead bolt face (23a) that is the inclined-plane, and described bolt rod (31) is threaded fixing with connecting portion (22).
3. the latch for building site people's goods elevator according to claim 2, it is characterized in that, described position-limit mechanism comprises gag lever post (61) and leans piece (13), described gag lever post (61) is fixed on the side of above-mentioned connecting portion (22), and the lateral projections of the above-mentioned relatively connecting portion of gag lever post (61) (22), the described piece (13) that leans is fixed on the inside wall of an end of housing (11), when described gag lever post (61) stretches out an end of housing (11) in dead bolt portion (23) with lean piece (13) against.
4. the latch for building site people's goods elevator according to claim 2, it is characterized in that, described position-limit mechanism comprises the limited block and the spacing hole that is opened on the housing (11) of the lateral projections of relative connecting portion (22), described spacing hole is elongated, the spacing hole length direction is parallel with the axial direction of housing (11), and described limited block passes spacing hole.
5. according to claim 2 or 3 or 4 described latches for building site people's goods elevator, it is characterized in that, described bolt rod (31) comprises the handle portion (33) of bar portion (32) and relative bar portion (32) bending, one end of described bar portion (32) offers screw thread, be provided with nut (41) between described bar portion (32) and the connecting portion (22), described nut (41) is weldingly fixed on the end of connecting portion (22), and described bar portion (32) is threaded with nut (41).
6. the latch for building site people's goods elevator according to claim 5, it is characterized in that, fixedly there is banking stop (12) end of the other end of described housing (11), described bolt rod (31) passes banking stop (12), be provided with spring (51) between described banking stop (12) and the fork (21), described spring (51) is set on the bolt rod (31), one end of described spring (51) and banking stop (12) against, the other end and nut (41) against, described spring (51) is in compressive state.
7. the latch for building site people's goods elevator according to claim 3, it is characterized in that, described gag lever post (61) comprises the limiting section one (62) that is positioned at connecting portion (22) one sides and the limiting section two (63) that is positioned at bolt rod (31) one sides, has angle a between the axial direction of the axial direction of described limiting section two (63) and bolt rod (31), described angle a is 3 °～5 °, the inside wall of the end of described limiting section two (63) and housing (11) against.
8. the latch for building site people's goods elevator according to claim 5, it is characterized in that, offer groove (22a) on the end face of described connecting portion (22), described groove (22a) is connected with the screwed hole of nut (41), and an end of described bar portion (32) can stretch in the groove (22a).
9. the latch for building site people's goods elevator according to claim 3, it is characterized in that, the rectangular shaped as frame in cross section of described housing (11), described fork (21) is rectangular, it is side one that described connecting portion (22) fixedly has the face of gag lever post (61), described side one with lean piece (13) against, other three faces of described connecting portion (22) all with the inside wall of housing (11) against.
10. according to claim 3 or 9 described latches for building site people's goods elevator, it is characterized in that, the described piece (13) that leans is cuboid, distance between described relative two inside walls with housing (11) of length that lean piece (13) is identical, the described two ends that lean piece (13) are resisted against respectively on two inside walls of housing (11), and lean the end face of an end of a side of piece (13) and housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161967 CN203175220U (en) | 2013-04-02 | 2013-04-02 | Bolt used for passenger and goods elevator in construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161967 CN203175220U (en) | 2013-04-02 | 2013-04-02 | Bolt used for passenger and goods elevator in construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175220U true CN203175220U (en) | 2013-09-04 |
Family
ID=49071943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320161967 Withdrawn - After Issue CN203175220U (en) | 2013-04-02 | 2013-04-02 | Bolt used for passenger and goods elevator in construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147639A (en) * | 2013-04-02 | 2013-06-12 | 国强建设集团有限公司 | Bolt for passenger-goods lift in construction site |
-
2013
- 2013-04-02 CN CN 201320161967 patent/CN203175220U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147639A (en) * | 2013-04-02 | 2013-06-12 | 国强建设集团有限公司 | Bolt for passenger-goods lift in construction site |
| CN103147639B (en) * | 2013-04-02 | 2015-08-05 | 国强建设集团有限公司 | A kind of latch for building site people's goods elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |