CN218266687U - Screwless formula trip riveted structure - Google Patents

Abstract

The utility model discloses a no screw formula trip riveted structure, include: the laminating of lower part is connected on the bottom surface of upper part, still include: the arc tenon insertion piece penetrates through the upper part and the lower part and is inserted in the upper part and the lower part, and 4 metal elastic pieces and limiting lugs are symmetrically arranged at two ends of the outer side surface of the arc tenon insertion piece and are connected at the tail end of the inner side surface of the arc tenon insertion piece. This screwless formula trip riveted structure, can be under the not enough condition in product part space, through the mode of extrusion arc tenon plug-in components, with its inseparable firm block that runs through between two parts, thereby need not to use the welding mode, can connect fixedly to the part through the mode of trip riveting, so that reduce the part rivet pulling and the cost that needs, the required cost and the time of parts machining have effectively been practiced thrift, utilize the part that the mortise and tenon riveting is fixed simultaneously can bear great pulling force, avoid droing not hard up problem between the part.

Description

Screwless formula trip riveted structure

Technical Field

The utility model relates to a trip riveting technical field specifically is a screwless formula trip riveting structure.

Background

When two parts are assembled and fixed, the two parts are generally required to be flatly contacted with each other and then fixed by using a pull rivet or a screw without using a welding method, and a sufficient operating space is required when the parts are connected by using the pull rivet or the screw.

However, when the required operating space for fixing and assembling product parts is insufficient, and when the parts are fixed by using rivets or screws, not only is enough space required for operation, but also the processing cost for fixing the parts is increased, so that the parts cannot be assembled by using welding and pulling rivets or screws, the assembly difficulty of the parts is inconvenient to reduce, and in order to solve the problems, innovative design is urgently needed on the basis of the original part mortise and tenon riveting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a no screw formula trip riveted structure to propose the mode to part fixed connection at present among the solution above-mentioned background art, under the not enough condition in space, can't use the welding and assemble with the mode of blind rivet or screw, and adopt rivet or fix with screw's mode can the incremental cost between the part, consequently can't promote the problem of part fixed connection's quality and efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a screwless snap-and-mortise riveting structure comprising:

the lower part is attached to and connected with the bottom side surface of the upper part;

further comprising:

the arc tenon plug-in components penetrate through and are plugged in the upper parts and the lower parts, and 4 metal elastic sheets are symmetrically arranged at two ends of the outer side surfaces of the arc tenon plug-in components;

a limit lug connected at the end of the inner side of the arc-shaped tenon insert.

The part that two laminating connections are made in the setting of above-mentioned structure, can assemble through the single structure of arc tenon plug-in components, thereby effectively save part fixed connection's operating procedure and cost, can be convenient for carry out the fixed of part under the not enough condition of operating space simultaneously, the fixed efficiency of part riveting and quality have been promoted, and arc tenon plug-in components can utilize the structure of metal shrapnel, firm and inseparable block is between upper portion part and lower part, make the separation that can not drop easily of two parts, make the riveting fixed quality of part better.

Preferably, the inside of upper portion part still central symmetry has seted up the upper portion tongue-and-groove, and the upper portion tongue-and-groove is "eight" font and offers the angle in upper portion part, and the setting of above-mentioned structure makes arc tenon plug-in components insert when being extruded and insert the upper portion part, can avoid arc tenon plug-in components to drop the roll-off from the upper portion part through the "eight" font upper portion tongue-and-groove of slope trend.

Preferably, the inside of lower part still central symmetry has seted up the lower part tongue-and-groove, and the lower part tongue-and-groove is "V" font and offers the angle in the lower part, and lower part tongue-and-groove and lower part are the inside symmetry of upper part and lower part jointly and constitute "<" shape and ">" shape's intercommunication cell body structure, the setting of above-mentioned structure makes arc tenon plug-in components receive the extrusion and when inserting in the lower part tongue-and-groove, can utilize the "V" font lower part tongue-and-groove of the opposite angle of upper part tongue-and-groove for arc tenon plug-in components are by firm and inseparable block between upper part and lower part, thereby effectively avoid not hard up coming off between the part.

Preferably, the inside spacing draw-in groove in still having seted up on the face that is close to the outer end of upper portion tongue-and-groove and lower part tongue-and-groove, and the height that highly is less than upper portion tongue-and-groove and lower part tongue-and-groove in the spacing draw-in groove, and the inboard side of lower part tongue-and-groove bottom still symmetry has seted up outer spacing draw-in groove on the part of lower part, the setting up of above-mentioned structure makes arc tenon plug-in components in running through insert upper portion part and the part of lower part back, utilize the sunk structure of spacing draw-in groove in upper portion tongue-and-groove and the lower part tongue-and-groove, the both ends metal strip of more firm and inseparable chucking arc tenon plug-in components, make two parts can firmly fix through the fixed holding of arc tenon plug-in components.

Preferably, the arc tenon plug-in components are arc metal strips, the arc tenon plug-in components and the metal elastic sheets form an integrated structure, the two ends of the arc tenon plug-in components form an elastic structure through the metal elastic sheets, the upper mortise and the lower mortise, meanwhile, the arc tenon plug-in components form a clamping structure in the upper part and the lower part through the metal elastic sheets, the required cost for connection between the arc tenon plug-in components and the parts is lower due to the arrangement of the structure, the parts can be more conveniently and simply fixed and operated, meanwhile, the requirement on the size of an assembly operation space between the parts is lower, the arc tenon plug-in components slide into the inner limiting tenon clamping grooves again after being extruded into the upper mortise and the lower mortise through the metal elastic sheets, the arc plug-in components cannot be pulled out from the part looseness, and the quality of part riveting assembly is effectively improved.

Preferably, the limit bump and the arc tenon insertion piece form an integrated structure, the limit bump is connected with the outer limit clamping groove in a clamping mode, the arc tenon insertion piece forms a clamping structure with the lower part through the limit bump and the outer limit clamping groove, the arc tenon insertion piece can penetrate through the two parts and then is connected with the outer limit clamping groove through the limit bump in an embedded mode, and the parts are connected with the arc tenon insertion piece more firmly and tightly.

Compared with the prior art, the beneficial effects of the utility model are that: this no screw formula trip riveted structure can need not to use the mode of welding and blind rivet or screw under the not enough condition of two fixed riveting operation spaces of part, and the mode through trip riveted is fixed with part high-speed joint to reduce the riveting fixed cost of part, and promoted the fixed machining efficiency of part, its concrete content is as follows:

1. according to the screwless mortise-tenon riveting structure, the upper part and the lower part are provided with the upper part mortise, the lower part mortise and the arc-shaped mortise plug-in, the two ends of the arc-shaped mortise plug-in are extruded and inserted into the upper part mortise and the lower part mortise in the upper part and the lower part by extruding the arc-shaped part of the arc-shaped mortise plug-in, and the arc-shaped mortise plug-in is firmly penetrated and clamped on the upper part and the lower part along the structure of <' > formed by the upper part mortise and the lower part mortise, so that the device can conveniently connect the upper part and the lower part through the arc-shaped mortise plug-in, save the part riveting and mounting space and save the fixed operation cost of the part;

2. this screwless formula trip riveted structure, the upper portion part, be provided with interior spacing draw-in groove in lower part and the arc tenon plug-in components respectively, outer spacing draw-in groove, the structure of metal shrapnel and spacing lug, through the metal shrapnel of fixing on the lateral surface of arc tenon plug-in components both ends, when sliding in upper portion part and lower part, can receive the extrusion and keep inserting in the same direction as sliding, and elastic deformation after getting into interior spacing draw-in groove, make metal shrapnel just block in the interior spacing draw-in groove, and utilize the spacing lug of arc tenon plug-in components terminal department to wear out the lower part after, slide embedding in the outer spacing draw-in groove on the lower part bottom side, the realization device can be through the firm inseparable upper portion part of arc tenon plug-in components and lower part riveting together fixed, the function of the quality of part riveting connection has effectively been promoted.

Drawings

FIG. 1 is a schematic diagram of a semi-sectional three-dimensional structure of the present invention;

FIG. 2 is a schematic diagram of a semi-sectional three-dimensional structure of the upper part and the lower part of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the arc tenon insert of the present invention;

FIG. 4 is an exploded perspective view of the upper part and the curved tenon insert of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the connection of the upper mortise and the lower mortise and the arc tenon insertion part of the present invention.

In the figure: 1. an upper part; 2. a lower part; 3. an upper mortise; 4. a lower mortise; 5. an inner limiting clamping groove; 6. an outer limiting clamping groove; 7. an arc-shaped tenon insert; 8. a metal spring sheet; 9. and a limiting bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a screwless formula trip riveted construction includes: the lower part 2 is attached to the bottom side surface of the upper part 1;

further comprising: the arc tenon plug-in unit 7 penetrates through and is plugged into the upper part 1 and the lower part 2, and the two ends of the outer side surface of the arc tenon plug-in unit 7 are symmetrically provided with 4 metal elastic sheets 8 and limiting lugs 9 which are connected at the tail end of the inner side surface of the arc tenon plug-in unit 7;

when using the device, at first connect the bottom side of upper portion part 1 with lower part 2 with pasting the flat mode on, upper portion part 1 and lower part 2 at this moment have all run through in advance and have beaten riveting connecting hole groove upper portion tongue-and-groove 3 and lower part tongue-and-groove 4, when carrying out the riveting fixed to the spare part, insert the hole inslot that the symmetry was seted up on upper portion part 1 respectively with arc tenon plug-in components 7's left and right sides both ends, and through the arch portion of extrusion arc tenon plug-in components 7, insert arc tenon plug-in components 7 completely in upper portion part 1 and lower part 2, 4 metal shrapnel 8 of arc tenon plug-in components 7 both sides cooperate spacing lug 9 complete block on upper portion part 1 and lower part 2 this moment, make two parts firmly riveted together fixed.

When riveting and fixing parts, if the space required by processing is insufficient, the arc tenon insert 7 can be used for clamping and riveting the upper part 1 and the lower part 2 together, at the moment, two ends of the arc tenon insert 7 can be respectively inserted into an upper mortise 3 and a lower mortise 4 which are pre-arranged on the upper part 1 and the lower part 2, at the moment, the arc part of the arc tenon insert 7 arched above the upper part 1 can be extruded, so that two ends of the arc tenon insert 7 are respectively pressed and extruded into the upper mortise 3 and the lower mortise 4, specifically, as shown in the figure 1 and the figure 2, the upper mortise 3 is also centrally and symmetrically arranged in the upper part 1, the upper mortise 3 is arranged at an angle in the shape of eight in the upper part 1, the lower mortise 4 is also centrally and symmetrically arranged in the lower part 2, the lower mortise 4 is arranged at an angle in the shape of V in the lower part 2, the lower mortise 4 and the lower part 2 are jointly formed into a structure in the shape of < the shape of > "and are symmetrically arranged in the lower part 1 and the arc part 2, so that the arc part 7 and the arc part 2 can be easily clamped and loosened along the arc groove structure of the arc part 1 and the arc part 2;

while the arc tenon insert 7 is in tenon connection, specifically, as shown in fig. 3, 4 and 5, the arc tenon insert 7 is an arc metal strip, the arc tenon insert 7 and the metal elastic sheet 8 form an integrated structure, two ends of the arc tenon insert 7 form an elastic structure with the upper mortise 3 and the lower mortise 4 through the metal elastic sheet 8, the arc tenon insert 7 forms a clamping structure in the upper part 1 and the lower part 2 through the metal elastic sheet 8, the upper mortise 3 and the lower mortise 4, an inner limiting clamping groove 5 is further formed on the inner side of the upper mortise 3 and the lower mortise 4 near the outer end, the height of the inner limiting clamping groove 5 is smaller than that of the upper mortise 3 and the lower mortise 4, and an outer limiting clamping groove 6 is further symmetrically formed on the lower part 2 on the inner side of the bottom end of the lower mortise 4, the metal elastic sheet 8 on the arc tenon insert 7 is extruded in the upper mortise 3 and the lower mortise 4, therefore, the metal elastic sheet 8 is close to and attached to the outer side surface of the arc tenon plug-in unit 7, after the metal elastic sheet 8 slides into the inner limiting clamping groove 5, the metal elastic sheet 8 is elastically restored without being extruded, so that the metal elastic sheet 8 is just embedded and clamped in the inner limiting clamping groove 5, the arc tenon plug-in unit 7 is prevented from loosening and falling by utilizing the bending structure, meanwhile, the bottom end of the arc tenon plug-in unit 7 also just extends out of the bottom of the lower part 2, according to the description that the limiting lug 9 and the arc tenon plug-in unit 7 form an integrated structure, and the limiting lug 9 is connected with the outer limiting clamping groove 6 in a clamping manner, and the arc tenon plug-in unit 7 forms a clamping structure with the lower part 2 through the limiting lug 9 and the outer limiting clamping groove 6, the arc tenon plug-in unit 7 can be embedded into the limiting lug 9 after extending out of the lower part 2, so that the arc tenon plug-in unit 7 firmly penetrates through and surrounds the upper part 1 and the lower part 2, so that the riveting of the parts is more firm.

The working principle is as follows: when the device is used, according to the working principle of the screwless mortise and tenon riveting structure, two ends of the arc-shaped tenon insertion piece 7 are inserted into the upper mortise 3 and the lower mortise 4 which are symmetrically arranged in the upper part 1 and the lower part 2, the arc-shaped tenon insertion piece 7 completely penetrates through the upper part 1 and the lower part 2 by extruding the arch part of the arc-shaped tenon insertion piece 7, the metal elastic sheet 8 on the arc-shaped tenon insertion piece 7 is elastically clamped in the inner limiting clamping groove 5, and the limiting bump 9 on the tail end of the arc-shaped tenon insertion piece 7 is clamped in the outer limiting clamping groove 6 to be fixed after extending out of the lower part 2, so that the upper part 1 and the lower part 2 are tightly and firmly assembled together by utilizing the mortise and tenon riveting mode of the arc-shaped tenon insertion piece 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a no screw formula trip riveted structure, trip riveted structure comprises upper portion part and lower part, its characterized in that includes: the lower part is attached to and connected with the bottom side surface of the upper part;

further comprising:

the arc tenon plug-in components penetrate through and are plugged in the upper parts and the lower parts, and 4 metal elastic sheets are symmetrically arranged at two ends of the outer side surfaces of the arc tenon plug-in components;

and the limiting lug is connected at the tail end of the inner side face of the arc tenon plug-in unit.

2. The screwless mortise and tenon riveting structure according to claim 1, wherein: the inside of upper portion part still central symmetry has seted up upper portion tongue-and-groove, and upper portion tongue-and-groove is "eight" font and offers the angle in upper portion part.

3. The screwless mortise and tenon riveting structure according to claim 1, wherein: the lower part is provided with a lower mortise in a central symmetry manner, the lower mortise is provided with an angle in a V shape in the lower part, and the lower mortise and the lower part are symmetrically formed into a '<' shaped and '>' shaped communicated groove body structure in the upper part and the lower part.

4. The screwless mortise and tenon riveting structure according to claim 2, wherein: inner limiting clamping grooves are further formed in the faces, close to the outer ends, of the inner portions of the upper mortise and the lower mortise, the height of each inner limiting clamping groove is smaller than that of the upper mortise and the lower mortise, and outer limiting clamping grooves are further symmetrically formed in the lower part of the inner side of the bottom end of the lower mortise.

5. The screwless mortise and tenon riveting structure according to claim 1, wherein: the arc tenon plug-in components are arc metal strips, and the arc tenon plug-in components and the metal shrapnel constitute the integral structure to the elastic construction is passed through at the both ends of arc tenon plug-in components and is constituteed with upper portion tongue-and-groove and lower part tongue-and-groove through the metal shrapnel, and arc tenon plug-in components pass through metal shrapnel, upper portion tongue-and-groove and lower part tongue-and-groove and constitute the block structure in upper part and lower part simultaneously.

6. The screwless mortise and tenon riveting structure of claim 1, wherein: the limiting convex block and the arc-shaped tenon plug-in component form an integrated structure, the limiting convex block is connected with the outer limiting clamping groove in a clamping mode, and the arc-shaped tenon plug-in component and the lower part form a clamping structure through the limiting convex block and the outer limiting clamping groove.

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