Structure for adjusting tightness of head lamp belt

Abstract

The utility model relates to the technical field of mobile lighting, in particular to a structure for adjusting tightness of a head lamp belt, which comprises a battery box, a winding knob is rotatably arranged at the top end of the battery box, a button is arranged in the winding knob in a penetrating manner, ropes are arranged on two sides of the winding knob, and the head lamp belt is arranged below the ropes. A battery box support and a head lamp support are fixedly arranged on the head lamp belt, a head lamp body is fixedly arranged on one side of the head lamp support, the battery box is fixedly connected with the battery box support, when the winding knob rotates, the rotating block and the rotating disc are driven to rotate clockwise, the rope fixed to the rotating disc is wound tightly along with the rotating block, and the rope pulls the head lamp belt. The part, provided with the rope, of the head lamp is in an S-shaped wrinkle shape, the part without the rope is elastically stretched, the head lamp belt is tightened to fix the product to the head of a user, then the button is manually pressed, the rope can be loosened, and the tightness of the head lamp belt can be adjusted with one hand.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile lighting technical field, concretely is a structure of adjusting headlamp belt tightness. BACKGROUND

[0002] The split headlamp is usually composed of a headlamp main body and a power supply, can be flexibly matched according to needs, is commonly used for industrial maintenance at night, or is applicable to activities such as night exploration, hiking and camping.

[0003] The split headlamp on the market currently generally needs to connect a power line before a battery box to a headlamp main body, is hung outside a headlamp belt, and is easily hung on an obstacle when being used outdoors;And when adjusting the tightness of the headlamp belt, both sides cannot be adjusted simultaneously, need to adjust the tightness of the headlamp belt at one side first, at this time the battery box will be moved to an uncentral position, and then the battery box is moved back to the central position, and the operation is very inconvenient. In view of the above problems, the existing device is improved, and a structure of adjusting headlamp belt tightness is provided. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a structure of adjusting headlamp belt tightness.

[0005] The technical scheme of the utility model is:

[0006] A structure of adjusting headlamp belt tightness, including battery box, the top end of battery box is rotatably provided with winding knob, the inside of winding knob is penetrated and is provided with button, both sides of winding knob are provided with rope, the lower side of rope is provided with headlamp belt, the fixed setting of headlamp belt is provided with battery box support and headlamp support, the fixed setting of one side of headlamp support is provided with headlamp main body, battery box support is fixedly connected with battery box support.

[0007] As a preferred technical scheme of the utility model: the side of headlamp belt close to battery box is provided with a plurality of rope penetrating holes, one end of rope is sequentially penetrated from rope penetrating hole in positive and negative alternating mode and extends to battery box.

[0008] As a preferred technical scheme of the utility model: the bottom of battery box is symmetrically provided with first perforation, the top of battery box is fixedly provided with connecting pipe, the side of connecting pipe is symmetrically provided with a group of thread boards, the end of connecting pipe away from thread board is symmetrically provided with second perforation.

[0009] As a preferred technical scheme of the utility model: the other end of rope is penetrated first perforation and second perforation and extends to the inside of winding knob and is fixed.

[0010] As a preferred technical scheme of the utility model: the first protruding block is fixedly arranged on the outer side of the connecting pipe, the wire winding knob is embedded on the top end of the connecting pipe, an annular groove is formed in the bottom of the wire winding knob, a second protruding block is fixedly arranged on the inner wall of the annular groove, and the first protruding block is located above the second protruding block.

[0011] As a preferred technical scheme of the utility model: a recess is formed in the top of the wire winding knob, a clamping hole is formed in the recess, a clamping tooth is formed in the inner wall of the connecting pipe, a connecting ring is clamped between the connecting pipe and the annular groove, a clamping block is fixedly arranged on the inner side of the connecting ring, the clamping block and the clamping hole are embedded with each other, a clamping block is fixedly arranged on the outer side of the connecting ring, and the end of the clamping block and the clamping tooth are engaged with each other.

[0012] As a preferred technical scheme of the utility model: an installation hole is formed in the bottom of the recess, the button is slidably arranged in the installation hole, a rotating block is arranged below the button, a spring is sleeved on the button, a screw is arranged in the button, one end of the screw is arranged in the bottom of the button, and the other end of the screw is arranged in the rotating block and is in threaded connection with the rotating block.

[0013] As a preferred technical scheme of the utility model: a rotating disc is sleeved on the outer side of the rotating block, a first bevel gear is formed in the top end of the rotating block, and a second bevel gear is formed in the rotating disc, and the first bevel gear and the second bevel gear are engaged with each other.

[0014] As a preferred technical scheme of the utility model: a power line is fixedly arranged in the head lamp belt, and the power line is placed in an S shape.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The utility model discloses a battery box and a head lamp belt are arranged between the rope, manually rotate the wire winding knob, when the wire winding knob rotates, will drive the embedded connecting ring on the wire winding knob rotates, utilize the cooperation between the clamping block of the connecting ring outer side and the clamping tooth, make the wire winding knob clockwise rotation is positioned to it, because the button is embedded in the inside of the wire winding knob, make the wire winding knob clockwise rotation also drives the button to rotate, in turn drive rotating block and the rotating disc clockwise rotation, then the rope of fixed on the rotating disc will be followed and is tightly wound, the rope pulls the head lamp belt, make the part of the head lamp belt with the rope S type wrinkle, the part of the rope without the elastic stretch of the head lamp belt, the head lamp belt is tightened and is fixed on the user's head, again manual press button, when the button is pressed, push the rotating block and move down, can make the first bevel gear and the second bevel gear are mutually staggered, at this moment, the rotating disc is in the relaxed state, the rope on it can be relaxed by pulling, in turn realize the relaxation of the head lamp belt.

[0017] 2. The headlamp belt of the utility model can reduce the inconvenience caused by external power lines. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a headlamp belt structure schematic view of the utility model;

[0020] Figure 3 It is a whole structure plane schematic view of the utility model;

[0021] Figure 4 It is a headlamp belt tightening and loosening state structure schematic view of the utility model;

[0022] Figure 5 It is a headlamp belt internal structure schematic view of the utility model;

[0023] Figure 6 It is a battery box internal structure explosion view of the utility model;

[0024] Figure 7 It is a button structure schematic view of the utility model;

[0025] Figure 8 It is a battery box internal structure schematic view of the utility model.

[0026] In the drawing:

[0027] 1, battery box; 101, first perforation; 102, connecting pipe; 1021, first protruding block; 1022, clamping tooth; 103, threading plate; 104, second perforation; 11, winding knob; 111, annular groove; 112, second protruding block; 113, recess; 114, clamping hole; 115, mounting hole; 12, button; 13, connecting ring; 131, clamping block; 132, clamping block; 14, rotating block; 141, first inclined tooth; 15, spring; 16, screw; 17, rotating disc; 171, second inclined tooth;

[0028] 2, rope;

[0029] 3, headlamp belt; 31, battery box support; 32, headlamp support; 33, power line; 34, rope threading hole;

[0030] 4, headlamp main body. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0032] Please refer to Figures 1-8 The technical solutions are described in detail by the following embodiments of the present application.

[0033] The structure for adjusting the tightness of a headlamp band comprises a battery box 1, a winding knob 11 rotatably arranged at the top end of the battery box 1, a button 12 penetratingly arranged in the winding knob 11, a rope 2 arranged at both sides of the winding knob 11, a headlamp band 3 arranged below the rope 2, a battery box support 31 and a headlamp support 32 fixedly arranged on the headlamp band 3, and a headlamp main body 4 fixedly arranged at one side of the headlamp support 32. The battery box support 31 is fixedly connected with the battery box support 31. The rope 2 is arranged between the battery box 1 and the headlamp band 3. The winding knob 11 is manually rotated. When the winding knob 11 is rotated, a connecting ring 13 embedded in the winding knob 11 is also rotated. The connecting ring 13 is positioned by the cooperation between the clamping block 132 on the outer side of the connecting ring 13 and the clamping tooth 1022. Since the button 12 is embedded in the winding knob 11, the button 12 is also rotated when the winding knob 11 is rotated clockwise. Then, the rope 2 fixed on the rotating disc 17 is wound tightly. The rope 2 pulls the headlamp band 3, so that the part of the headlamp band 3 with the rope 2 is S-shapedly crumpled, and the part of the headlamp band 3 without the rope 2 is elastically stretched. The headlamp band 3 is tightened to fix the product on the user's head.

[0034] Further, a plurality of rope passing holes 34 are arranged on the side of the headlamp band 3 close to the battery box 1. One end of the rope 2 passes through the rope passing holes 34 in turn in the forward and reverse alternating mode and extends to the battery box 1. The rope 2 is wound in the winding knob 11 when the winding knob 11 is rotated. The rope 2 pulls the headlamp band 3, so that the part of the headlamp band 3 with the rope 2 is S-shapedly crumpled, and the part of the headlamp band 3 without the rope 2 is elastically stretched. The headlamp band 3 is tightened to fix the product on the user's head.

[0035] It is worth mentioning that the headlamp band 3 is provided with S-shaped crumpling on both sides close to the battery box 1.

[0036] Further, the bottom of the battery box 1 is provided with a first perforation 101, the top of the battery box 1 is fixedly provided with a connecting pipe 102, the side of the connecting pipe 102 is symmetrically provided with a group of threading plates 103, the end of the connecting pipe 102 away from the threading plates 103 is symmetrically provided with a second perforation 104, and the first perforation 101 and the second perforation 104 are arranged to guide the end of the rope 2 to enter the inside of the winding knob 11 after the rope 2 passes through the threading hole 34.

[0037] It is worth noting that the threading plates 103 are fixedly arranged on the battery box 1, and the spacing between the symmetrically arranged threading plates 103 is consistent with the size of the second perforation 104.

[0038] Further, the other end of the rope 2 extends to the inside of the winding knob 11 through the first perforation 101 and the second perforation 104 and is fixed, so that the rope 2 is fixed in the winding knob 11, and the rope 2 is wound tightly after the winding knob 11 is rotated, thereby realizing the tightening of the headlight belt 3.

[0039] In particular, the end of the rope 2 in the battery box 1 is fixedly connected to the two sides of the rotating disc 17.

[0040] Further, the outer side of the connecting pipe 102 is fixedly provided with a first protrusion 1021, the winding knob 11 is embedded at the top end of the connecting pipe 102, the bottom of the winding knob 11 is provided with an annular groove 111, the inner wall of the annular groove 111 is fixedly provided with a second protrusion 112, the first protrusion 1021 is located above the second protrusion 112, and the second protrusion 112 can support the first protrusion 1021, thereby positioning the winding knob 11.

[0041] Further, the top of the winding knob 11 is provided with a recess 113, the recess 113 is provided with a clamping hole 114, the inner wall of the connecting pipe 102 is provided with a clamping tooth 1022, the connecting ring 13 is clamped between the connecting pipe 102 and the annular groove 111, the inner side of the connecting ring 13 is fixedly provided with a clamping block 131, the clamping block 131 and the clamping hole 114 are embedded with each other, the outer side of the connecting ring 13 is fixedly provided with a clamping block 132, the end of the clamping block 132 and the clamping tooth 1022 are engaged with each other, the clamping hole 114 and the clamping block 131 are matched to connect the connecting ring 13 and the winding knob 11 together, the connection can drive the connecting ring 13 to rotate when the winding knob 11 rotates, and the clamping block 132 on the connecting ring 13 can be clamped between the clamping teeth 1022 at different positions after the winding knob 11 rotates clockwise.

[0042] It should be noted that the clamping block 131 is provided with three blocks, which are arc-shaped, one end of the clamping block 131 is connected with the connecting ring 13, and the connecting arm between the connecting ring 13 and the clamping block 132 is made of elastic metal. When the connecting ring 13 rotates, the clamping block 132 will be clamped between the different positions of the clamping teeth 1022. In the process of contact between the clamping block 132 and the clamping teeth 1022, the connecting arm will be bent. When the clamping block 132 enters between the adjacent two clamping teeth 1022, the connecting arm restores the deformation and is automatically clamped between the adjacent two clamping teeth 1022.

[0043] Further, the bottom of the groove 113 is provided with a mounting hole 115, a button 12 is slidably arranged in the mounting hole 115, and the cross sections of the mounting hole 115 and the button 12 are both square. This arrangement can rotate the button 12 while rotating the winding knob 11. A rotating block 14 is arranged below the button 12. A spring 15 is sleeved on the button 12. A screw 16 is arranged in the button 12. One end of the screw 16 penetrates the bottom of the button 12. The other end of the screw 16 penetrates the rotating block 14 and is in threaded connection with the rotating block 14. The button 12 and the rotating block 14 are fixedly connected by the screw 16. By pressing the button 12, the button 12 is lowered, and the rotating block 14 is lowered synchronously.

[0044] It should be noted that the button 12 is embedded in the inside of the winding knob 11, so that the winding knob 11 rotates clockwise, which also drives the button 12 to rotate, and further drives the rotating block 14 and the rotating disc 17 to rotate clockwise.

[0045] Further, the rotating block 14 is sleeved with a rotating disc 17, and the rotating block 14 can move up and down in the rotating disc 17. The top end of the rotating block 14 is provided with a first inclined tooth 141, and the inside of the rotating disc 17 is provided with a second inclined tooth 171. The first inclined tooth 141 and the second inclined tooth 171 are in meshing connection. By the cooperation of the first inclined tooth 141 and the second inclined tooth 171, the rotating block 14 can drive the rotating disc 17 to rotate when the rotating block 14 rotates. When the button 12 is pressed, the rotating block 14 is pushed downward, so that the first inclined tooth 141 and the second inclined tooth 171 are staggered, and at this time, the rotating disc 17 is in a relaxed state, and the rope 2 on the rotating disc 17 can be relaxed by pulling, so as to realize the relaxation of the headlamp belt 3.

[0046] It is worth noting that the bottom of the rotating disc 17 is sleeved on the bottom of the battery box 1 and is in rotating connection with the battery box 1.

[0047] Further, the inside of the headlamp belt 3 is fixedly provided with a power line 33, and the power line 33 is placed in an S shape. By setting the power line in an S shape, the power line can be prevented from being pulled off when the headlamp belt 3 is stretched.

[0048] It is worth mentioning that the power line 33 inside the headlamp belt 3 is led out from the inside of the battery box support 31 and the headlamp support 32, so that the battery box 1 can be powered on and powered by the headlamp body 4 by using the power line 33.

[0049] Working principle:

[0050] The structure for adjusting the tightness of the headlamp belt 3 of the utility model in use, first of all, the headlamp belt 3 is worn on the head of the user, then the winding knob 11 is manually rotated, when the winding knob 11 is rotated, the connecting ring 13 embedded on the winding knob 11 is rotated, the cooperation between the clamping block 132 on the outside of the connecting ring 13 and the clamping tooth 1022 is utilized, so that the winding knob 11 is positioned after being rotated clockwise, so that the stop at any position is realized, because the button 12 is embedded in the inside of the winding knob 11, the winding knob 11 is also rotated after being rotated clockwise, further driving the rotating block 14 and the rotating disc 17 to rotate clockwise, so that the rope 2 fixed on the rotating disc 17 is wound tightly, the rope 2 pulls the headlamp belt 3, so that the part of the headlamp belt 3 with the rope 2 is S-shaped creased, and the part without the rope 2 is elastically stretched, the headlamp belt 3 is tightened to fix the product on the head of the user;

[0051] When it needs to be loosened, the user manually presses the button 12, at this time, the spring 15 is compressed, the rotating block 14 is pushed downward when the button 12 is pressed downward, so that the first bevel gear 141 and the second bevel gear 171 are staggered with each other, at this time, the rotating disc 17 is in a relaxed state, the rope 2 on the rotating disc 17 can be loosened by pulling, so that the loosening of the headlamp belt 3 is realized, the button 12 is loosened, the button 12 is pushed upward and reset under the elastic force of the spring 15, driving the rotating block 14 to move upward and reset, so that the first bevel gear 141 and the second bevel gear 171 are meshed again, facilitating the next tightening operation.

[0052] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A structure for adjusting the tightness of a headlamp strap, comprising a battery box (1), characterized in that: The top end of the battery box (1) is rotationally provided with a winding knob (11), the inside of the winding knob (11) is provided with a button (12) penetratingly, both sides of the winding knob (11) are provided with a rope (2), the rope (2) is provided with a headlamp belt (3) below, the headlamp belt (3) is fixedly provided with a battery box support (31) and a headlamp support (32), one side of the headlamp support (32) is fixedly provided with a headlamp main body (4), and the battery box (1) is fixedly connected with the battery box support (31).

2. The structure for adjusting the tightness of a headlamp band according to claim 1, wherein: A plurality of rope penetrating holes (34) are formed in the side of the headlamp belt (3) close to the battery box (1), and one end of the rope (2) sequentially penetrates the rope penetrating holes in an alternating manner and extends to the battery box (1).

3. The structure for adjusting the tightness of a headlamp band according to claim 2, wherein: The bottom of the battery box (1) is symmetrically provided with a first perforation (101), and the top of the battery box (1) is fixedly provided with a connecting pipe (102), and one end of the connecting pipe (102) is symmetrically provided with a second perforation (104).

4. The structure for adjusting the tightness of a headlamp band according to claim 3, wherein: The other end of the rope (2) penetrates the first perforation (101) and the second perforation (104) and extends to the inside of the winding knob (11) and is fixed.

5. The structure for adjusting the tightness of a headlamp band according to claim 3, wherein: The outer side of the connecting pipe (102) is fixedly provided with a first protrusion (1021), the winding knob (11) is embedded in the top end of the connecting pipe (102), the bottom of the winding knob (11) is provided with an annular groove (111), the inner wall of the annular groove (111) is fixedly provided with a second protrusion (112), and the first protrusion (1021) is located above the second protrusion (112).

6. The structure for adjusting the tightness of a headlamp band according to claim 5, wherein: The top of the winding knob (11) is provided with a groove (113), the groove (113) is provided with a clamping hole (114), the inner wall of the connecting pipe (102) is provided with a clamping tooth (1022), a connecting ring (13) is clamped between the connecting pipe (102) and the annular groove (111), the inner side of the connecting ring (13) is fixedly provided with a clamping block (131), the clamping block (131) and the clamping hole (114) are embedded with each other, the outer side of the connecting ring (13) is fixedly provided with a clamping block (132), and the end of the clamping block (132) and the clamping tooth (1022) are engaged with each other.

7. The structure for adjusting the tightness of a headlamp band according to claim 6, wherein: The bottom of the groove (113) is provided with a mounting hole (115), the button (12) is slidably arranged in the mounting hole (115), a rotating block (14) is arranged below the button (12), a spring (15) is sleeved on the button (12), a screw (16) is arranged in the inside of the button (12), one end of the screw (16) is penetratingly arranged at the bottom of the button (12), and the other end of the screw (16) penetrates the rotating block (14) and is in threaded connection with the rotating block (14).

8. The structure for adjusting the tightness of a headlamp band according to claim 7, wherein: The outer side of the rotating block (14) is sleeved with a rotating disc (17), the top end of the rotating block (14) is provided with a first bevel gear (141), and the inside of the rotating disc (17) is provided with a second bevel gear (171), and the first bevel gear (141) and the second bevel gear (171) are in meshing relationship.

9. The structure for adjusting the tightness of a headlamp band according to claim 1, wherein: The inside of the head lamp belt (3) is fixedly provided with a power line (33), and the power line (33) is placed in an S shape.

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