CN112720359B

CN112720359B - Safety helmet buckle assembling machine clamp

Info

Publication number: CN112720359B
Application number: CN202110073956.4A
Authority: CN
Inventors: 何道兵
Original assignee: Zhejiang Hongri Automation Technology Co ltd
Current assignee: Zhejiang Hongri Automation Technology Co ltd
Priority date: 2020-04-30
Filing date: 2021-01-20
Publication date: 2022-09-23
Anticipated expiration: 2041-01-20
Also published as: CN112720359A

Abstract

The invention discloses a safety helmet buckle assembling machine clamp which comprises a clamp seat, wherein a clamping cavity is formed in the clamp seat, and the safety helmet buckle assembling machine clamp is characterized in that: the centre gripping chamber bottom slides and is provided with end button grip block, end button grip block one side is provided with elastic component one, form end button centre gripping chamber between end button grip block and the centre gripping chamber lateral wall, end button grip block outer end card goes into end button lower extreme inboard and presss from both sides the end button tightly at end button centre gripping intracavity, another lateral wall middle part in centre gripping chamber has been seted up the face and has been buckled the spacing groove, the face has been seted up on the lateral wall on face knot spacing groove upper portion and has been buckled the grip block groove, face is buckled the grip block inslot and is installed face and detain grip block and elastic component two, the face is buckled the grip block and is slided and set up, the face is buckled grip block terminal surface and face and is buckled the surface and laminate and compress tightly the face and realize the amalgamation on end button. This safety helmet buckle kludge anchor clamps can effectively fix and fix a position each part of safety helmet buckle, makes it can adapt to automatic equipment.

Description

Safety helmet buckle assembling machine clamp

Technical Field

The invention relates to a safety helmet buckle assembling machine, in particular to a clamp of the safety helmet buckle assembling machine.

Background

Chinese patent publication No. CN205409833U discloses a safety helmet, which is connected by two fixing straps to fix the helmet shell on the head. The end parts of the two fixing bands are connected through a safety helmet buckle. The safety helmet belt buckle comprises an insert buckle and an insert buckle seat, the insert buckle and the insert buckle seat are respectively connected with the end of one fixing belt, and the insert buckle is inserted into the buckle seat to realize connection between the insert buckle and the fixing belt.

As shown in fig. 1 to 3, the socket 2 includes a bottom buckle 3 and a surface buckle 4, wherein two sides of the bottom buckle 3 are provided with flanges 9, so that the cross section of the bottom buckle 3 is substantially U-shaped, and two sides of the surface buckle 4 are provided with flanges 10 which are engaged with the flanges 9. The upper end of the flanging 9 is arc-shaped, the upper part of the flange 10 is provided with an arc-shaped groove 11, and the upper end of the flanging 9 is accommodated in the arc-shaped groove 11. The bottom buckle 3 is arranged on the inner side of the surface buckle 4 through a pin 5, a torsion spring groove 7 is formed in one side of the surface buckle 4, the torsion spring 6 is arranged in the torsion spring groove 7, one end of the torsion spring 6 is clamped and fixed in the torsion spring groove 7, the other end of the torsion spring is clamped on the edge of the bottom buckle 3 in a hook shape, so that the surface buckle 4 and the bottom buckle 3 have opposite rotating trends, and the surface buckle 4 and the bottom buckle 3 are kept in a tight state. The insert buckle 1 and the face buckle 4 are provided with clamping teeth which are matched and clamped with each other, and when the insert buckle 1 is inserted into the insert buckle 1 seat, the face buckle 4 locks the insert buckle 1 in the insert buckle 1 seat through the clamping teeth on the inner side of the face buckle. When the insert buckle 1 needs to be separated from the insert buckle seat 2, the end part of the lower end of the face buckle 4 which is tilted outwards is pulled, so that the lower end of the face buckle 4 swings to one side far away from the bottom buckle 3, the latch on the face buckle 4 and the latch on the insert buckle 1 can be separated from the locking state, and the insert buckle 1 can be separated from the insert buckle seat 1 at the moment.

The existing safety helmet buckle is assembled manually, the torsion spring is installed in a torsion spring groove of the surface buckle firstly, then the surface buckle is installed on the inner side of the bottom buckle, the other end of the torsion spring is abutted against the side surface of the bottom buckle, then the pin holes in the surface buckle and the bottom buckle are aligned, and the pin penetrates into the bottom buckle, the surface buckle and the torsion spring inner ring. And finally, stamping the end part of the pin to enable the end part of the pin to generate flanging, and fixing the surface button and the bottom button together. And after the inserting buckle seat is installed, inserting the inserting buckle into the inserting buckle seat to complete the assembly of the safety helmet belt buckle. The safety helmet belt buckle is produced by using a manual assembly mode, the assembly efficiency is low, the production cost is high, and the safety helmet belt buckle is not suitable for large-scale production.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a clamp of a safety helmet buckle assembling machine, which can effectively fix and position all parts of a safety helmet buckle and can adapt to automatic assembling.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a safety helmet buckle kludge anchor clamps, including the holder, the centre gripping chamber has been seted up in the holder, centre gripping chamber bottom slides and is provided with end button grip block, end button grip block one side is provided with elastic component one, form end button centre gripping chamber between end button grip block and the centre gripping chamber lateral wall, end button grip block outer end card goes into end button lower extreme inboard and presss from both sides the end button tightly in end button centre gripping intracavity, another lateral wall middle part in centre gripping chamber has been seted up the face and has been detained the spacing groove, the face is detained the spacing groove outside and is provided with the face and detains the gag lever post, the face has been seted up on the lateral wall on face and has been detained spacing groove upper portion and has been detained the grip block groove, face is detained the grip block and elastic component two to the face and is detained the grip block slip setting, face is detained grip block terminal surface and the outer surface laminating of face and is compressed tightly the face knot and realize the amalgamation on end button.

Through above-mentioned technical scheme, the end is detained and is held the intracavity in can inserting to detain from centre gripping chamber one side, and the end is detained the lower extreme and is detained the conflict location in centre gripping chamber bottom at the end, confirms end and detains the depth of insertion. The bottom buckle is clamped in the bottom buckle clamping cavity by the bottom buckle clamping block, the outer side surface of the bottom buckle is in abutting positioning with the inner wall of the clamping cavity, and the circumferential position of the bottom buckle is determined. When the bottom buckle is installed, the surface buckle can be inserted into the clamping cavity along the other side of the clamping cavity. The surface fastener limiting groove can accommodate the surface fastener, the bottom surface of the surface fastener limiting groove can limit the insertion depth of the surface fastener, and the surface fastener limiting rod can limit the inner side surface of the lower end of the surface fastener. After the lower end face of the face button is abutted against the bottom face of the face button limiting groove, the face button deflects towards the bottom button under the action of the face button clamping block, the face button limiting rod limits the deflection angle of the face button, the upper end position of the face button is determined, the pin hole in the face button and the pin hole in the bottom button can be aligned, and the pin can smoothly penetrate into the pin hole.

When the clamping seat is used, the clamping seat is installed on an assembling machine, and sequentially passes through a bottom buckle pushing device, a torsion spring placing and surface buckle pushing device (the torsion spring is installed in a torsion spring groove on a surface buckle at first, and then the surface buckle provided with the torsion spring is pushed into a clamping cavity), a pin installing device, a pin stamping device and a material taking device according to a set working sequence, so that the whole automatic assembly is realized. After the buckle seat is assembled, the buckle seat is pulled outwards, and the buckle seat can be separated from the clamping cavity.

Preferably, the outer end of the bottom buckle clamping block and/or the surface buckle clamping block is provided with a guide surface.

Through the technical scheme, when the bottom buckle or the surface buckle lower end is in conflict with the guide surface, the bottom buckle or the surface buckle lower end can push the clamping block or the surface buckle clamping block to slide to one side of the clamping cavity, so that the bottom buckle can enter the bottom buckle clamping cavity, and the surface buckle can be installed in the clamping cavity and clamped. The guide surface can be a slope or an arc surface. The existence of the guide surface ensures that the bottom buckle clamping block and the surface buckle clamping block can not obstruct the insertion of the bottom buckle and the surface buckle when the bottom buckle and the surface buckle are inserted into the clamping cavity.

In addition, if the guide surface is not arranged, the insertion of the bottom buckle and the surface buckle can be realized. Can additionally set up the drive at this moment will, drive end knot grip block and face are detained the grip block and are removed to the centre gripping chamber outside for end knot and face are detained and can be installed the centre gripping intracavity. When the bottom buckle is arranged in the bottom buckle clamping cavity, the bottom buckle clamping block resets to clamp the bottom buckle, and when the surface buckle is inserted, the surface buckle clamping block resets to clamp the surface buckle.

Preferably, a guide rod is inserted into the clamping seat, the elastic piece is sleeved on the guide rod, one end of the elastic piece is abutted against the first bottom buckle clamping block, the other end of the elastic piece is abutted against the side wall of the clamping cavity, and the bottom buckle clamping block is sleeved or fixed on the guide rod.

Through the technical scheme, the elastic piece is sleeved on the guide rod, so that the first elastic piece can be conveniently fixed, and the elasticity of the first elastic piece is always parallel to the sliding direction of the first bottom buckle clamping block. The guide rod can guide the sliding direction of the clamping block, so that the sliding direction of the bottom buckle clamping block is kept constant. The bottom buckle clamping block and the guide rod can be integrated or separated. When the two are integrated, the guide rod and the clamping seat can slide, and when the two are separated, the bottom buckle clamping block and the guide rod can slide relatively.

Preferably, the surface fastener clamping block is connected with a sliding rod, the sliding rod is inserted into the clamping seat, the elastic piece is sleeved on the sliding rod, the surface fastener clamping block further comprises an inserting rod, and a driving inclined plane for driving the sliding rod to slide towards the outer side of the clamping cavity is formed in the inserting rod.

Through above-mentioned technical scheme, when the face was buckled when the propelling movement of centre gripping intracavity, the inserted bar stretched out to the slide bar direction earlier, and drive inclined plane on the inserted bar can drive the slide bar and slide to the centre gripping chamber outside, and the centre gripping chamber of no longer salient to when avoiding the face to buckle the propelling movement of propelling movement to the centre gripping intracavity, the face was buckled the propelling movement production of grip block opposite side and is hindered, makes the face buckle install more smoothly when the centre gripping intracavity.

When the inserted bar drives the sliding rod to slide, a sliding groove for inserting the inserted bar can be formed in the sliding rod, so that the driving inclined plane can be abutted against one side of the sliding groove in the extending process of the inserted bar, and the sliding rod is pushed to slide.

Preferably, the clamping seat is provided with a first slot and a second slot which are communicated with each other, the first slot is arranged corresponding to the inserted rod, the second slot is internally provided with a transmission rod in a sliding manner, and the transmission rod is fixed on the sliding rod.

Through above-mentioned technical scheme, when the inserted bar inserted in slot one, the drive inclined plane on the inserted bar contradicts with the transfer line to promote the transfer line and slide to the one side of keeping away from the centre gripping groove in slot two. The transmission rod is fixed on the sliding rod, so that the sliding rod and the surface buckle clamping block also slide towards the direction far away from the clamping groove, and the surface buckle clamping block is retracted into the surface buckle clamping block groove.

Preferably, the holder comprises a left half part, a right half part, a cover plate and a bottom plate, the clamping cavity is arranged between the left half part and the right half part, and the left half part, the right half part, the cover plate and the bottom plate are connected through positioning pins.

Through the technical scheme, the clamping seat is arranged in a split mode, each part can be manufactured separately, and each part is convenient to process and high in processing precision. Meanwhile, after all parts are spliced to form the clamping cavity, the corners of the clamping cavity are right angles, the outer surface of the bottom buckle can be tightly attached to the inner wall of the clamping cavity, and positioning is accurate. If the clamping seat adopts an integrated structure, the clamping cavity is positioned inside the clamping seat, the structure is complex, and the processing difficulty is high. And the corner also is the fillet mostly behind the processing of the holder centre gripping chamber of integral type, can lead to the unable closely laminating of end button surface and centre gripping intracavity wall if the fillet is too big, influences the accurate positioning of end button.

Preferably, the right half part comprises a first base body, a second base body and a third base body, the first base body and the third base body are respectively installed on two sides of the second base body, a face buckle clamping block groove is formed in the second base body, and the first base body and the third base body respectively limit the face buckle clamping block in the face buckle clamping block groove from the upper side and the lower side of the second base body.

Through the technical scheme, the right half part is arranged in a split mode, the surface fastener clamping block groove can be conveniently machined, the first base body and the third base body are located on the two sides of the second base body, the surface fastener clamping block can effectively limit the sliding direction of the surface fastener clamping block after being installed, and the surface fastener clamping block can clamp the surface fastener.

Preferably, the bottom plate and the cover plate are respectively provided with a step I and a step II.

Through the technical scheme, the edge of the flanging of the bottom buckle is provided with the convex edge, so that the side face of the bottom buckle is not a plane, and the upper surface of the first step can support the flanging which is not provided with the convex edge. Meanwhile, the width between the two convex edges of the surface fastener is slightly smaller than the distance between the two flanges of the bottom fastener, and the flange on the surface fastener can be supported by the second step, so that the center of the surface fastener and the center of the bottom fastener can be in the same plane. The arrangement of the steps on the bottom plate and the cover plate can ensure that the positioning is more accurate when the bottom buckle and the surface buckle are pushed into the clamping cavity.

Preferably, at least one side of the guide rods is a plane, or the number of the guide rods is at least two.

Through the technical scheme, if the bottom buckle is clamped by the bottom buckle clamping block, the bottom buckle needs to be clamped between the two flanges. If the bottom buckle clamping block swings when sliding, the bottom buckle cannot be clamped between the two flanges of the bottom buckle to firmly clamp the bottom buckle. Simultaneously because all be provided with step one and step two on bottom plate and the apron, lead to apron lower surface and bottom plate upper surface non-plane, the end is buckled the grip block side and can't regard as spacing face with bottom plate upper surface or apron upper surface, does not take place the swing when guaranteeing the end to buckle the grip block and slide.

At least one side of the guide rod is a plane, so that the guide rod cannot swing when being inserted into the clamping seat, and the corresponding bottom buckle clamping block cannot swing when sliding, so that the upper end face of the clamping block can be kept parallel to the inner side face of the bottom buckle flanging all the time. The corresponding guide rods with at least two numbers can also play a corresponding role in preventing the clamping block and the guide rods from swinging relatively.

Preferably, one side of the first base body and one side of the third base body facing the second base body are provided with accommodating cavities.

Through the technical scheme, the lower end of the face buckle tilts towards one side far away from the bottom buckle, and the lower end of the face buckle is arc-shaped, when the face buckle is inserted into the clamping cavity, two corners of the lower end of the face buckle slightly protrude out of contact points of the lower end of the face buckle and the face buckle limiting groove, and two corners of the lower end of the face buckle can be accommodated after the accommodating cavity is formed, so that the face buckle is positioned more accurately after being placed.

Compared with the prior art, the invention has the beneficial effects that: the bottom buckle and the face buckle can be accurately positioned and fixed by using the clamp, and splicing is realized, so that the pin hole in the bottom buckle is aligned with the pin hole in the face buckle. When the bottom buckle and the surface buckle are installed, the bottom buckle and the surface buckle can be installed in the clamping seat only by simply pushing. After the safety helmet buckle is assembled, the assembled buckle is pulled outwards to be separated from the clamping seat.

Drawings

FIG. 1 is a perspective view of a buckle of a safety helmet;

FIG. 2 is an exploded view of the socket;

FIG. 3 is a perspective view of the face button;

FIG. 4 is a schematic view of the bottom buckle and the face buckle when they are installed in the clamping cavity;

FIG. 5 is an exploded view of the cartridge;

FIG. 6 is a schematic cross-sectional view of the cartridge;

FIG. 7 is a first perspective view of a second substrate;

FIG. 8 is a second perspective view of the second substrate;

FIG. 9 is a perspective view of the surface fastener clamping block, the sliding rod and the transmission rod;

FIG. 10 is a schematic view of the engagement position of the insert rod and the holder;

FIG. 11 is a perspective view of the substrate;

fig. 12 is a three-dimensional view of the substrate.

Reference numerals: 1. inserting and buckling; 2. a socket; 3. a bottom buckle; 4. surface fastener; 5. a pin; 6. a torsion spring; 7. a torsion spring groove; 8. a pin hole; 9. flanging; 10. a flange; 11. an arc-shaped slot; 12. a holder; 13. a clamping cavity; 14. a bottom buckle clamping block; 15. a first elastic part; 16. a bottom buckle clamping cavity; 17. a surface fastener limiting groove; 18. a surface fastener clamping block groove; 19. a surface fastener clamping block; 20. a second elastic piece; 21. a guide surface; 22. a guide bar; 23. a slide bar; 25. inserting a rod; 26. a drive ramp; 27. a first slot; 28. a second slot; 29. a transmission rod; 30. a third slot; 31. a left half part; 32. a right half portion; 33. a cover plate; 34. a base plate; 35. positioning pins; 36. a first substrate; 37. a second substrate; 38. a third substrate; 39. a step I; 40. a step II; 41. an accommodating cavity; 42. a plane; 43. face detains gag lever post.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings.

The present embodiment is only for explaining the invention, and it is not limited to the invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the invention.

As shown in fig. 5 and 6, a buckle clamp for a safety helmet comprises a clamp seat 12, wherein the clamp seat 12 comprises a bottom plate 34 and a cover plate 33, a left half part 31 and a right half part 32 are installed between the bottom plate 34 and the cover plate 33, and the bottom plate 34, the cover plate 33, the left half part 31 and the right half part 32 are connected and fixed through a plurality of positioning pins 35. A clamping cavity 13 is formed between the inner side surfaces of the left half part 31 and the right half part 32, the lower surface of the cover plate 33 and the upper surface of the bottom plate 34, and the clamping cavity 13 is used for fixing and splicing the surface fastener 4 and the bottom fastener 3. The width of the cross section at the bottom of the clamping cavity 13 is smaller than that at the opening of the clamping cavity 13.

The bottom of the clamping cavity 13 is slidably provided with a bottom buckle clamping block 14, an elastic member one 15 is arranged between the bottom buckle clamping block 14 and the right half part 32, and the elastic member one 15 can be a spring. A bottom buckle clamping cavity 16 is formed between the side surface of the outer end of the bottom buckle clamping block 14 and the left half part 31, when the bottom buckle 3 is inserted into the bottom buckle clamping cavity 16, the outer surface of the bottom buckle 3 is attached to the inner side surface of the left half part 31, along with the insertion of the bottom buckle 3, the upper end of the bottom buckle clamping block 14 is gradually clamped into the inner side of the bottom buckle 3, the bottom buckle 3 is tightly pressed on the inner side surface of the left half part 31, and the bottom buckle 3 is effectively fixed in the bottom buckle clamping cavity 16. The upper end of the bottom buckle clamping block 14 is provided with a guide surface 21, and the guide surface 21 can be an inclined surface or an arc surface. Leading surface 21 is towards half left, and leading surface 21 sets up like this, inserts the in-process in centre gripping chamber 13 at end knot 3, and end knot 3 lower extreme can contradict with leading surface 21 to make end knot grip block 14 remove to half 32 directions of right through leading surface 21, make end knot 3 lower extreme can block into between the right flank of end knot grip block 14 left surface and half 32 right side, make end knot 3 fixed in end knot centre gripping chamber 16, realize fixing.

A guide rod 22 penetrates through the holder 12, and the bottom buckle clamping block 14 is sleeved outside the guide rod 22 and can slide along the length direction of the guide rod 22. The first elastic element 15 is also sleeved outside the guide rod 22, one end of the first elastic element 15 is abutted against the bottom buckle clamping block 14, and the other end of the first elastic element is abutted against the inner side surface of the right half part 32, so that the bottom buckle clamping block 14 always has a movement trend of clamping the bottom buckle 3. When the bottom buckle 3 is inserted, the lower side surface of the bottom buckle 3 can be abutted against the upper surface of the bottom plate 34, and the longitudinal position of the bottom buckle 3 is determined. The bottom surface of the button holding cavity 16 may limit the insertion depth of the button 2.

The face has been seted up in the middle part of right half 32 and has been detained spacing groove 17, and the face is detained the spacing groove 17 outside and is provided with the face and detains gag lever post 43, and the face is detained spacing groove 17 and can be detained 4 lower extremes to the face and hold, and the depth of insertion that the 4 lower extremes were detained to the face simultaneously restricts. The surface fastener limiting rod 43 can limit the position of the inner side surface of the surface fastener 4. The right half part 32 is also provided with a face buckle clamping block groove 18, the face buckle clamping block groove 18 is positioned at the upper part of the face buckle limiting groove 17, and the face buckle clamping block groove 18 is closer to the opening of the clamping cavity 13 relative to the face buckle limiting groove 17. The surface fastener clamping block groove 18 is internally provided with a surface fastener clamping block 19 and a second elastic part 20 in a sliding manner, one end of the second elastic part 20 is abutted against the surface fastener clamping block 19, and the other end is abutted against the bottom of the surface fastener clamping block groove 18. The surface fastener clamping block 19 pushes the surface fastener 4 towards the bottom fastener 3 under the action of the second elastic piece 20, so that the surface fastener 4 moves towards the bottom fastener 2 to be tightly attached to the fixed bottom fastener 2, and the surface fastener and the bottom fastener are spliced. Because the lower end face of the face button 4 is abutted against the bottom face of the face button limiting groove 17 to be positioned, and the inner side face of the face button 4 is positioned by the face button limiting rod 43, when the upper end of the face button 4 moves towards the bottom button 3, the pin hole 8 on the face button 4 and the pin hole 8 on the bottom button 3 can be coincided.

The surface button clamping block 19 is connected with a sliding rod 23, the sliding rod 23 is arranged in the right half part 32 in a sliding mode, and the sliding rod 23 can be arranged integrally with the surface button clamping block 19 or can be arranged in a split mode and then is fixed on the surface button clamping block 19. The second elastic element 20 can be a spring sleeved on the sliding rod 23 to push the surface fastener clamping block 19 to slide towards the left half 31. The right half portion 32 is provided with a first slot 27 and a second slot 28, the first slot 27 is longitudinally arranged, the second slot 28 is transversely arranged, and the second slot 28 is communicated with the first slot 27. An inserting rod 25 is arranged below the first slot 27, and the inserting rod 25 can move up and down so as to be inserted into and pulled out of the first slot 27. The second slot 28 is provided with a transmission rod 29, and one end of the transmission rod 29 is fixed on the sliding rod 23 and penetrates through the first slot 27. The end of the plunger 25 is provided with a driving ramp 26 which cooperates with the slide bar 23. When the insert rod 25 is inserted into the first slot 27, the driving bevel 26 at the end of the insert rod 25 can push the transmission rod 29 to slide in a direction away from the left half 31, so as to drive the face buckle clamping block 19 to slide in a direction away from the left half 31, so that the face buckle clamping block 19 can retract into the face buckle clamping block groove 18, and the face buckle 4 can enter the clamping cavity 13 more smoothly. The outer end of the face button holding block 19 can also be provided with a guide surface 21, and the guide surface 21 is a plane 42 or an inclined surface, so that the face button 4 can be conveniently inserted into the holding cavity 13.

Right half 32 includes base one 36, base two 37, and base three 38. The first base body 36 and the third base body 38 are respectively arranged at the upper side and the lower side of the second base body 37, the surface buckle clamping block groove 18 is formed in the left side of the second base body 37, and the surface buckle clamping block 19 is arranged in the surface buckle clamping block groove 18. The height of the face button holding block 19 is the same as the width of the face button holding block groove 18. The first base 36 and the third base 38 respectively limit the face button holding block 19 in the face button holding block groove 18 from the upper and lower sides. The right half 32 is arranged in this way, so that the processing of the surface fastener clamping block groove 18 can be facilitated, the processing cost is reduced, and the disassembly is convenient.

In addition, the upper surface of the bottom plate 34 is provided with a first step 39 and a second step 40. The first step 39 is positioned in the middle of the bottom plate 34, the second step 40 is positioned on the right side of the bottom plate 34, the surface of the first step 39 is higher than the upper surface of the left side of the bottom plate 34, and the surface of the second step 40 is higher than the upper surface of the first step 39. Because the lower side surface of the bottom buckle 3 is not a plane 42, the first step 39 can support the side with smaller thickness of the bottom buckle 2, so that the bottom buckle 2 is more stable when placed on the upper surface of the bottom plate 34. The second step 40 is provided to make the surface fastener 4 more stable when placed in the holding cavity 13. The height of the upper side and the lower side of the surface fastener 4 is smaller than the height of the upper side and the lower side of the bottom fastener close to one side of the surface fastener 4, and the lower end of the surface fastener 4 can be supported by the step two 40, so that the left part of the surface fastener 4 can be accurately clamped into the right part of the bottom fastener 3, and the accurate splicing of the surface fastener and the bottom fastener is realized. The first step 39 and the second step 40 do not need to exist, the first step 39 is set to be more stable when the bottom buckle 3 is pushed and placed, and the second step 40 is set to be that the surface buckle 4 is pushed into the mounting cavity to be free from interference with the bottom buckle 3 when the surface buckle 4 and the bottom buckle 3 are spliced. Meanwhile, the cover plate 33 can also be provided with a step I39 and a step II 40, so that the moving space of the bottom buckle 3 and the surface buckle 4 in the clamping cavity 13 is further reduced.

When the first step 39 and the second step 40 are disposed on the bottom plate 34 and the cover plate 33, since the bottom buckle clamping block 14 needs to slide along the width direction of the clamping seat 12, a certain space needs to be left between the bottom buckle clamping block 14 and the upper surface of the bottom plate 34 and between the bottom buckle clamping block 14 and the lower surface of the cover plate 33, so as to avoid interference of the first step 39 and the second step 40 to the sliding of the bottom buckle clamping block 14. But due to the space, the buckle holder block 14 is easily swung on the guide bar 22. The guide rod 22 is provided with a plane 42, and the plane 42 can effectively limit the swing of the bottom buckle clamping block 14, so that the bottom buckle clamping block 14 cannot interfere with the first step 39 and the second step 40 in the sliding process. Meanwhile, the bottom buckle clamping block 14 is limited to swing through the plane 42 on the guide rod 22, and the first elastic piece 15 is sleeved on the outer side of the guide rod 22 and can directly push the bottom buckle clamping block 14 to slide. In addition, the number of the guide rods 22 can be two, and the two guide rods 22 are all arranged in the bottom buckle clamping block 14 in a penetrating mode, so that the side face of each guide rod 22 is not provided with the plane 42, and the bottom buckle clamping block 14 can be prevented from swinging.

The first base body 36 and the third base body 38 are provided with the accommodating cavities 41, when the lower end of the face fastener 4 is provided with a radian and is placed in an inclined mode, two corners of the lower end of the face fastener 4 can be clamped into the accommodating cavities 41, so that the lower end of the face fastener 4 can be placed into the face fastener limiting groove 17 more accurately, the coaxiality of the pin hole 8 in the face fastener 4 and the pin hole 8 in the bottom fastener 3 is better during splicing, and clamping stagnation is not prone to occurring during insertion of the pin 5.

In addition, the bottom buckle clamping block 14 and the guide rod 22 may be fixedly connected, the guide rod 22 may slide in the clamping seat 12, the guide surface 21 is not provided on the bottom buckle clamping block 14, and an additional insertion rod 25 may be provided for driving the guide rod 22 to slide in the same manner as the driving slide rod 23. At this time, one end of the guiding rod 22 can extend out of the holder 12, and a slot is opened on the extending end, so that the sliding rod 23 is driven to slide by the driving inclined surface 26 on the inserting rod 25.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides a safety helmet buckle kludge anchor clamps, includes holder (12), has seted up centre gripping chamber (13) in holder (12), characterized by: the bottom buckle clamping block (14) is arranged at the bottom of the clamping cavity (13) in a sliding mode, an elastic part I (15) is arranged on one side of the bottom buckle clamping block (14), a bottom buckle clamping cavity (16) is formed between the bottom buckle clamping block (14) and the side wall of the clamping cavity (13), the outer end of the bottom buckle clamping block (14) is clamped into the inner side of the lower end of the bottom buckle (3) to clamp the bottom buckle (3) in the bottom buckle clamping cavity (16), a surface buckle limiting groove (17) is formed in the middle of the other side wall of the clamping cavity (13), a surface buckle limiting rod (43) is arranged on the outer side of the surface buckle limiting groove (17), a surface buckle clamping block groove (18) is formed in the side wall of the upper portion of the surface buckle limiting groove (17), a surface buckle clamping block (19) and an elastic part II (20) are installed in the surface buckle clamping block groove (18), the surface buckle clamping block (19) is arranged in a sliding mode, and the end surface of the surface buckle clamping block (19) and the surface buckle (4) are attached to tightly press the surface buckle (3) to achieve splicing.

2. The headgear fastener assembly machine clip of claim 1, wherein: the outer end of the bottom buckle clamping block (14) and/or the surface buckle clamping block (19) is provided with a guide surface (21).

3. The safety helmet buckle assembler clamp of claim 1, wherein: a guide rod (22) is inserted into the clamping seat (12), a first elastic part (15) is sleeved on the guide rod (22), one end of the first elastic part (15) abuts against a first bottom buckle clamping block (14), the other end of the first elastic part (15) abuts against the side wall of the clamping cavity (13), and the bottom buckle clamping block (14) is sleeved or fixed on the guide rod (22).

4. The headgear fastener assembly machine clip of claim 1, wherein: the surface buckle clamping block (19) is connected with a sliding rod (23), the sliding rod (23) is inserted into the clamping seat (12), the second elastic piece (20) is sleeved on the sliding rod (23), the surface buckle clamping block further comprises an inserting rod (25), and a driving inclined surface (26) for driving the sliding rod (23) to slide towards the outer side of the clamping cavity (13) is arranged on the inserting rod (25).

5. The headgear fastener assembly machine clip of claim 4, wherein: a first slot (27) and a second slot (28) which are communicated with each other are formed in the clamping seat (12), the first slot (27) and the inserted rod (25) are correspondingly arranged, a transmission rod (29) is arranged in the second slot (28) in a sliding mode, and the transmission rod (29) is fixed on the sliding rod (23).

6. The headgear fastener assembly machine clip of claim 3, wherein: the clamping seat (12) comprises a left half part (31), a right half part (32), a cover plate (33) and a bottom plate (34), the clamping cavity (13) is located between the left half part (31) and the right half part (32), and the left half part (31), the right half part (32), the cover plate (33) and the bottom plate (34) are connected through positioning pins (35).

7. The safety helmet buckle assembly machine clip of claim 6, wherein: the right half part (32) comprises a first base body (36), a second base body (37) and a third base body (38), the first base body (36) and the third base body (38) are respectively installed on two sides of the second base body (37), a surface buckle clamping block groove (18) is formed in the second base body (37), and the first base body (36) and the third base body (38) respectively limit the surface buckle clamping block (19) in the surface buckle clamping block groove (18) from the upper side and the lower side of the second base body (37).

8. The safety helmet buckle assembly machine clip of claim 6, wherein: the base plate (34) and the cover plate (33) are respectively provided with a first step (39) and a second step (40).

9. The headgear fastener assembly machine clip of claim 8, wherein: at least one side surface of the guide rod (22) is a plane (42), or the number of the guide rods (22) is at least two.

10. The headgear fastener assembly machine clip of claim 7, wherein: one sides of the first base body (36) and the third base body (38) facing the second base body (37) are provided with accommodating cavities (41).