CN211532904U - Adjusting buckle for connecting belt of safety helmet - Google Patents
Adjusting buckle for connecting belt of safety helmet Download PDFInfo
- Publication number
- CN211532904U CN211532904U CN201921440465.3U CN201921440465U CN211532904U CN 211532904 U CN211532904 U CN 211532904U CN 201921440465 U CN201921440465 U CN 201921440465U CN 211532904 U CN211532904 U CN 211532904U
- Authority
- CN
- China
- Prior art keywords
- gear
- adjusting
- block
- attachment strap
- drain pan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Helmets And Other Head Coverings (AREA)
Abstract
The utility model relates to a labor protection safety technical field specifically discloses safety helmet connecting band is detained with adjusting, including drain pan and top shell, the drain pan can be dismantled with the top shell and be connected, rotates on the drain pan and is connected with the regulating block, fixes being equipped with gear and elastic block on the regulating block, and the both ends homoenergetic of connecting band overlaps on the gear, and the gear can all mesh with the rack that is equipped with on the both ends of connecting band, is equipped with the connecting seat on the top shell, and the connecting seat is equipped with the interior latch of circumference equipartition, is equipped with the jack catch that offsets with interior latch on the elastic block. This scheme is through setting up band gear, jack catch and interior latch, has solved among the prior art and has adjusted the knot position and move toward human ear and the connecting band exposes a very long section of freedom and brings uncomfortable problem for the workman.
Description
Technical Field
The utility model relates to a safety technical field of labour protection specifically is safety helmet connecting band is with adjusting knot.
Background
The existing safety helmet comprises a helmet body, a connecting belt and an adjusting buckle, wherein the helmet body is worn on the head of a human body through the connecting belt, and the size of the connecting belt which is enclosed on the head of the human body is adjusted through the adjusting buckle (the connecting belt is enclosed to form a helmet hoop), so that the safety helmet can be worn by different human bodies conveniently; however, the prior art adjustment method is as follows: the adjusting buckle is held by one hand, the connecting band is pulled by the other hand, the adjusting buckle is fixedly connected to one end of the connecting band, the connecting band can only be tightened or loosened towards one side, for a person with a small head size, after the size of the connecting band is adjusted, the adjusting buckle is not arranged on the back of the human body, but gradually leans against the ear of the human body along with the continuous reduction of the surrounding size of the connecting band, meanwhile, a long free section is hung on the safety helmet at one end of the adjusted connecting band, and the free section can often support the human body when the head of the human body is lifted, so that the human body is uncomfortable.
In addition, in order to guarantee that the enclosure size of the adjusted connecting band does not change in the prior art, the connecting band is generally convenient to adjust in the enclosure size reduction, and when the enclosure size of the connecting band becomes large, the adjusting buckle needs to be adjusted in a complex manner, so that the enclosure size of the connecting band becomes large, and the mode can guarantee the tightening of the safety helmet hoop when a worker uses, but is not convenient for taking down the safety helmet and loosening the safety helmet hoop.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is anticipated that the safety helmet connecting band is detained with adjusting to adjust among the solution prior art and detain the position and expose a very long section of freedom and bring uncomfortable problem for the workman toward human ear's removal and connecting band.
In order to achieve the above object, the basic scheme of the present invention is as follows:
safety helmet connecting band is detained with adjusting, including drain pan and top shell, the drain pan can be dismantled with the top shell and be connected, rotates on the drain pan and is connected with the regulating block, fixed gear and the elastic block of being equipped with on the regulating block, and the both ends homoenergetic of connecting band overlaps on the gear, and the gear can all mesh with the rack that is equipped with on the both ends of connecting band, is equipped with the connecting seat on the top shell, and the connecting seat is equipped with the interior latch of circumference equipartition, is equipped with the jack catch that offsets with interior latch on the elastic block.
Compare the beneficial effect in prior art:
when the scheme is adopted, the two ends of the connecting belt are respectively provided with the strip-shaped through holes, the strip-shaped through holes of the connecting belt are uniformly and integrally formed with the racks, the two racks are respectively positioned on two opposite surfaces of the strip-shaped through holes, so that the two racks are simultaneously meshed with the gear on the two sides of the adjusting block, the adjusting block is manually rotated in the forward direction to enable the gear to drive the racks to move, the two ends of the connecting belt simultaneously move in the opposite directions, further the size of the surrounding area of the connecting belt is reduced (namely the helmet hoop is tightened), after the size of the surrounding area of the connecting belt is adjusted, the clamping claws on the elastic block abut against the inner clamping teeth, so that the clamping teeth are clamped by the inner clamping teeth, the size formed by the surrounding area of the connecting belt cannot; and when needs make enclosing of connecting band close the size grow, the manual work makes the elastomer take place deformation for the jack catch breaks away from with the counterbalance of interior latch, and makes the regulating block antiport, drives the both ends of connecting band and keeps away from each other, reaches the connecting band and encloses the purpose that closes the size and transfer big.
This scheme just can make the both ends of connecting band realize being close to simultaneously or keeping away from through setting up the regulating block of taking the gear, compares in prior art, can keep the safety helmet all the time and wear the head after, adjusts the position of detaining the back head spoon of being located human head, and can not appear adjusting the condition of detaining being close to human ear among the prior art at the adjustment cap hoop in-process, therefore the travelling comfort is higher.
The both ends of the connecting band of this scheme can realize being close to or keeping away from simultaneously under the drive of regulating block, compare in prior art the connecting band toward tightening up on one side and the condition of a very long section of freedom appears, the connecting band both ends of this scheme remove simultaneously, and the both ends of connecting band all through the bar hole cover on the gear of regulating block, therefore the condition that the connecting band stretches out a very long section of freedom can not appear, the uncomfortable sense that produces because of the connecting band exposes the freedom section when having avoided the workman to take the safety helmet to face upward the head.
Furthermore, the elastic block comprises a fixed section and a cantilever section, the fixed section is fixedly connected with the adjusting block, and the clamping jaw is positioned at the free end part of the cantilever section.
Has the advantages that: the jaws are located at the free end of the cantilevered section so that the force required to be applied when the jaws of the resilient block are deformed is relatively small.
Furthermore, the device also comprises an adjusting cover positioned above the top shell, wherein a connecting column is arranged on the adjusting cover, a jack is arranged on a clamping jaw of the elastic block, and the connecting column is inserted into the jack.
Has the advantages that: the connecting column of the adjusting cover drives the adjusting block to rotate, so that only one hand is needed for operation, and the operation is simpler compared with the prior art.
Furthermore, a first plane which is parallel to the radial direction of the gear and a second plane which is not parallel to the radial direction of the gear are arranged in the insertion hole, the connecting column can be abutted against the first plane, and the connecting column can be abutted against the second plane.
Has the advantages that: when the adjusting cover drives the adjusting block to rotate positively, the connecting column on the adjusting cover is abutted against the first plane, and the first plane is parallel to the radial direction of the gear, so that the force exerted on the first plane by the connecting column is perpendicular to the first plane, the direction of the force is the circumferential direction, and the elastic block is driven to rotate by the force in the circumferential direction.
When the adjusting cover drives the adjusting block to rotate reversely, the connecting column is abutted against the second plane, and the second plane is not parallel to the radial direction of the gear, so that when the adjusting cover drives the connecting column to rotate reversely, the force exerted on the second plane by the connecting column is not perpendicular to the second plane, the force which is not perpendicular can be divided into a radial component force and a circumferential component force, the radial component force forces the clamping jaw of the elastic block to deform towards the central axis of the gear, the clamping jaw is further separated from the limitation of the inner clamping teeth, the elastic block is convenient to rotate under the driving of the circumferential component force, and the operation is simple.
Furthermore, the adjusting cover is disc-shaped, and a plurality of bosses are uniformly distributed on the periphery of the disc of the adjusting cover; the existence of the boss is convenient for manually rotating the adjusting cover.
Furthermore, a connecting shaft is arranged on the bottom shell, and the adjusting block is rotatably connected to the connecting shaft; simple structure, the rotation of the regulating block of being convenient for.
Furthermore, the connecting shaft is hollow, the connecting shaft further comprises a baffle, a fixing column is arranged on the baffle and is positioned in the hollow position of the connecting shaft, and the fixing column is detachably connected with the connecting shaft; the adjusting cover is rotatably connected to the fixing column, and the adjusting cover, the top cover and the adjusting block are located between the baffle and the bottom shell.
Has the advantages that: the adjusting cover and the adjusting block are limited between the baffle and the bottom shell through the baffle, the axial direction of the adjusting cover and the adjusting block is limited, and the situation that gears on the adjusting block are separated from the rack in a meshing mode due to the fact that the gears move axially is avoided.
Furthermore, still include the boundary belt, the connection can be dismantled at the both ends of drain pan in the both ends of boundary belt, and the boundary belt is unsettled to be connected on the drain pan.
Has the advantages that: the protective belt is close to the head of the human body, so that discomfort caused by the fact that the bottom shell directly contacts the head can be avoided.
Further, the protective belt is arc-shaped; the curved boundary belt is more laminated with the back head of the human head, and the comfort level is further improved.
Further, the gear and the elastic block are integrally formed on the adjusting block; the intensity of regulating block can be increased to integrated into one piece, and then the life of relative extension regulating block.
Drawings
Fig. 1 is an isometric view of an embodiment of the present invention;
fig. 2 is a front cross-sectional view of the embodiment of the present invention shown in fig. 1;
fig. 3 is a cross-sectional view a-a of the embodiment of the invention in fig. 2;
fig. 4 is an isometric view of an adjustment block in an embodiment of the invention;
fig. 5 is an isometric view of an adjustment cap in an embodiment of the invention;
fig. 6 is a schematic view of the rack engagement between the gear and the connecting band in the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the protective belt comprises a protective belt 1, a bottom shell 2, an adjusting block 3, a top shell 5, an adjusting cover 4, a baffle 6, inner clamping teeth 7, a connecting shaft 8, a gear 9, clamping claws 10, a rack 11, a first plane 12, a second plane 13, a connecting column 14 and a fixing column 15.
The embodiment is substantially as shown in the accompanying figures 1 to 6:
with reference to fig. 1 to 3, the adjusting buckle for the safety helmet connecting belt comprises a protective belt 1, a bottom shell 2, an adjusting block 3, an adjusting cover 4, a top shell 5 and a baffle 6; the protection belt 1 is arc-shaped, the left end and the right end of the protection belt 1 are connected with the left end and the right end of the bottom shell 2 in a buckling mode, and the protection belt 1 is connected to the bottom shell 2 in a hanging mode; bottom shell 2 and 5 buckle connections in top shell, form the clearance that the connecting band of being convenient for passed between bottom shell 2 and the top shell 5, integrated into one piece has the connecting seat on 5 upper portions in protrusion top shell on the top shell 5, and the connecting seat forms the installation space of regulating block 3 with bottom shell 2, and integrated into one piece has the interior latch 7 of circumference equipartition on the connecting seat.
Integrated into one piece has hollow and vertical connecting axle 8 that sets up on drain pan 2, and regulating block 3 overlaps on connecting axle 8, and integrated into one piece has gear 9 and elastic block on the regulating block 3, and gear 9 is located the elastic block below, and the elastic block includes fixed section and cantilever section, fixed section and 3 integrated into one piece of regulating block, and the free tip integrated into one piece of cantilever section has jack catch 10, and jack catch 10 offsets with interior jack catch 7.
Referring to fig. 6, the two ends of the connecting band of the helmet are both provided with strip-shaped through holes, the strip-shaped through holes of the connecting band are uniformly formed with racks 11, and the two racks 11 are respectively arranged on the two sides of the gear 9 and meshed with the gear 9.
With reference to fig. 3 and 4, the jaws 10 of the elastic block are provided with triangular shaped receptacles having a first plane 12 radially parallel to the toothed wheel 9 and a second plane 13 radially non-parallel to the toothed wheel 9.
With reference to fig. 2, 3 and 5, a connecting column 14 is integrally formed on the adjusting cover 4, the connecting column 14 is inserted into the jack, the connecting column 14 abuts against the first plane 12 when the adjusting cover 4 rotates clockwise, and the connecting column 14 abuts against the second plane 13 when the adjusting cover 4 rotates counterclockwise; the adjusting cover 4 is disc-shaped, the adjusting cover 4 covers the connecting seat of the top shell 5, and five bosses (visible in figure 1) are integrally formed on the periphery of the disc of the adjusting cover 4.
With reference to fig. 1 and 2, a fixing post 15 is integrally formed on the baffle 6, the fixing post 15 is inserted into a hollow position of the connecting shaft 8, and the fixing post 15 is connected with the connecting shaft 8 through a buckle; the adjusting cover 4 is sleeved on the fixing column 15.
The specific implementation process is as follows:
when the size of enclosing of connecting band was transferred, clockwise rotation was adjusted and is covered 4, adjusts the butt joint of spliced pole 14 on covering 4 and first plane 12 and offset for first plane 12 only receives circumference power, drives regulating block 3 clockwise rotation through this circumference power, through the meshing of gear 9 with rack 11, and then drives the rack 11 removal in opposite directions at connecting band both ends, makes the size of enclosing of connecting band diminish, and the cap hoop can tighten up.
When the adjusting cover 4 is not rotated, the jaw 10 loses the acting force of the connecting column 14 and pushes against the inner jaw 7 under the self structure, so that the size formed by enclosing the connecting belt cannot be changed, and the requirement that a worker tightly wears the helmet on the head is met.
When the enclosure size of the connecting band needs to be relaxed, the adjusting cover 4 is rotated anticlockwise, the connecting column 14 on the adjusting cover 4 is abutted against the second plane 13, and because the second plane 13 is not parallel to the radial direction of the gear 9, the force applied to the second plane 13 is not perpendicular to the second plane 13, the non-perpendicular force can be divided into a radial component force and a circumferential component force along the gear 9, the radial component force forces the clamping jaw 10 of the elastic block to deform towards the central axis of the gear 9, so that the clamping jaw 10 is separated from the limitation of the inner clamping tooth 7, the adjusting block 3 is convenient to rotate anticlockwise under the driving of the circumferential component force, and the rack 11 of the connecting band is further driven to move away from each other, the enclosure size of the connecting band is increased, and the hat band is relaxed.
Above operation only needs a hand clockwise or anticlockwise rotation to adjust lid 4, can realize tightening up or relaxing of cap hoop, and easy operation, and this embodiment can realize being close to or keeping away from when the connecting band both ends, and then can wear the head back at the safety helmet, guarantee throughout to adjust the position of detaining the back head spoon of being located human head and can not take place to remove, and the connecting band cover is between drain pan 2 and top shell 5, therefore the condition of connecting band one end free scattering on the safety helmet can not appear, the comfort level of using has been improved.
The curved protective belt 1 is close to the back of the human body, so that discomfort caused by the fact that the bottom shell 2 directly contacts the head of the human body can be avoided.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Safety helmet is regulation knot for area, including drain pan and top shell, the drain pan can be dismantled with the top shell and be connected, rotates on the drain pan to be connected with regulating block, its characterized in that: the adjusting block is fixedly provided with a gear and an elastic block, the two ends of the connecting belt can be sleeved on the gear, the gear can be meshed with racks arranged at the two ends of the connecting belt, the top shell is provided with a connecting seat, the connecting seat is provided with inner clamping teeth which are circumferentially and uniformly distributed, and the elastic block is provided with clamping claws which are abutted to the inner clamping teeth.
2. The adjustment buckle for a helmet attachment strap according to claim 1, wherein: the elastic block comprises a fixed section and a cantilever section, the fixed section is fixedly connected with the adjusting block, and the clamping jaw is positioned at the free end part of the cantilever section.
3. The adjustment buckle for a helmet attachment strap according to claim 2, wherein: the top shell is provided with a jack, the top shell is provided with a jack catch, and the jack catch is inserted into the jack catch.
4. The adjustment buckle for a helmet attachment strap according to claim 3, wherein: the jack is internally provided with a first plane which is radially parallel to the gear and a second plane which is radially not parallel to the gear, the connecting column can be abutted against the first plane, and the connecting column can be abutted against the second plane.
5. The adjustment buckle for a helmet attachment strap according to claim 3, wherein: the adjusting cover is disc-shaped, and a plurality of bosses are uniformly distributed on the periphery of the disc of the adjusting cover.
6. The adjustment buckle for a helmet attachment strap according to claim 3, wherein: the bottom shell is provided with a connecting shaft, and the adjusting block is rotatably connected to the connecting shaft.
7. The adjustment buckle for a helmet attachment strap according to claim 6, wherein: the connecting shaft is hollow, the connecting shaft further comprises a baffle, a fixing column is arranged on the baffle and is positioned in the hollow position of the connecting shaft, and the fixing column is detachably connected with the connecting shaft; the adjusting cover is rotatably connected to the fixing column, and the adjusting cover, the top cover and the adjusting block are located between the baffle and the bottom shell.
8. The adjustment buckle for a helmet attachment strap according to claim 1, wherein: still include the boundary belt, the connection can be dismantled at the both ends of drain pan in the both ends of boundary belt, and the boundary belt is unsettled to be connected on the drain pan.
9. The adjustment buckle for a helmet attachment strap according to claim 8, wherein: the protective belt is arc-shaped.
10. The adjustment buckle for a helmet attachment strap according to claim 1, wherein: the gear and the elastic block are integrally formed on the adjusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440465.3U CN211532904U (en) | 2019-08-30 | 2019-08-30 | Adjusting buckle for connecting belt of safety helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440465.3U CN211532904U (en) | 2019-08-30 | 2019-08-30 | Adjusting buckle for connecting belt of safety helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211532904U true CN211532904U (en) | 2020-09-22 |
Family
ID=72488689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921440465.3U Active CN211532904U (en) | 2019-08-30 | 2019-08-30 | Adjusting buckle for connecting belt of safety helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211532904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419805A (en) * | 2019-08-30 | 2019-11-08 | 重庆永安安防科技有限公司 | Safety cap connecting band adjusting buckle |
-
2019
- 2019-08-30 CN CN201921440465.3U patent/CN211532904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419805A (en) * | 2019-08-30 | 2019-11-08 | 重庆永安安防科技有限公司 | Safety cap connecting band adjusting buckle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2011223588B2 (en) | Worm drive adjustment for headgear suspension | |
| CN211532904U (en) | Adjusting buckle for connecting belt of safety helmet | |
| US5647061A (en) | Headband having eyeglass securing means | |
| CN106514468A (en) | Grinder, cover and cover set | |
| JP6422444B2 (en) | Respiratory harness harness assembly | |
| TW201540209A (en) | Bicycle helmet fit system | |
| AU2011201976A1 (en) | Head Band | |
| KR20060101199A (en) | Shielding apparatus of helmet | |
| SE457408B (en) | MAIN POSITION FOR THE PROTECTION OF PROTECTIVE EQUIPMENT | |
| US20030073549A1 (en) | Neck exerciser | |
| US20160051000A1 (en) | Helmets and helmet fit systems | |
| CN211532903U (en) | Adjustable connecting band for safety helmet | |
| US6126104A (en) | Adapter for fishing reel drive motor | |
| CN212207851U (en) | VR glasses of conveniently wearing | |
| KR101150518B1 (en) | Headrest band Tight Control System for hard hat | |
| CA2915657C (en) | Helmet wtih stabilization fitting system | |
| CN220124847U (en) | Orthodontic traction device for children | |
| CN205923010U (en) | A bandeau for wearing protective face mask | |
| CN110393338A (en) | A kind of adjustable connecting band used for safety helmet | |
| CN215913375U (en) | Anti-splash face mask | |
| CN110419805A (en) | Safety cap connecting band adjusting buckle | |
| CN211722016U (en) | Portable safety helmet | |
| CN217853400U (en) | A plant draw gear for orthodontic | |
| KR200388272Y1 (en) | Apparatus for tighting band of swim goggle | |
| CN218304112U (en) | Waist rest fixing device for chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |