CN211804600U - Fixing clamp for automobile muffler - Google Patents

Abstract

The utility model discloses a mounting fixture for automobile muffler relates to an anchor clamps, and it includes the workstation, the workstation is provided with the first seat of accepting and the second of accepting that is used for accepting the silencer respectively along silencer length direction's both sides and accepts the seat, be provided with the first fixed subassembly that is used for fixed silencer tip on the workstation, still be provided with the fixed subassembly of second that is used for fixed silencer week side extension pipe on the workstation. The utility model discloses place silencer length direction's both sides respectively on first accepting seat and second accepting the seat, then utilize first fixed subassembly to fix the tip of silencer, utilize the fixed subassembly of second to fix the extension pipe of silencer week side after that, and then can weld the operation to the junction of extension pipe and silencer, improved this mounting fixture's suitability promptly.

Description

Fixing clamp for automobile muffler

Technical Field

The utility model relates to an anchor clamps especially relate to a mounting fixture for automobile muffler.

Background

The silencer is mainly used for reducing noise generated when the generator and the engine work. As shown in fig. 8, the muffler pipe member mainly includes a muffler pipe and a base connected to the muffler pipe. In the production and manufacturing process of the existing silencer, all parts of the silencer are usually produced firstly, then all parts are assembled through a silencer assembling die, and after preliminary welding, all parts are welded in a sealing mode at the joints, so that the production process of the automobile silencer is completed.

In the prior art, a machine for welding the silencer is mainly used for solving the problems of connection and fixation with a silencer welding machine, silencer rotation welding and the like during silencer welding. For example, chinese patent with patent publication No. CN104588898A proposes a muffler welding machine, which includes a base plate, a bracket, a rotating disc, a fixed wheel and a driving wheel.

At present, as shown in fig. 8, there is a muffler, which includes a muffler body 10, an extension pipe 20 is fixed to one side of the muffler body 10 by welding, a base 30 is integrally formed at one end of the extension pipe 20 away from the muffler, and a mounting hole 301 is formed on the base 30.

By adopting the scheme, the silencer pipe fitting subjected to preliminary welding is fixedly placed on a welding machine, the motor is started, the silencer rotates along with a rotating disc on the welding machine, and an operator can weld the silencer pipe fitting only by holding and standing a welding gun; however, the shapes of the muffling pipes are various, the fixing device for fixing the muffling pipe and the base on the muffler welding machine is only suitable for the condition that the head end and the tail end of the muffling pipe are on the same straight line, and when the extension pipes on the peripheral side of the muffler are required to be welded, the pipe fixing device of the muffler welding machine cannot be used, so that the muffler welding machine is poor in applicability and has a part to be improved.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a mounting fixture for automobile muffler places silencer length direction's both sides respectively on first accepting seat and second accept the seat, then utilizes first fixed subassembly to fix the tip of muffler, utilizes the fixed subassembly of second to fix the extension pipe of muffler week side after that, and then can carry out welding operation to the junction of extension pipe and muffler, has improved this mounting fixture's suitability promptly.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a mounting fixture for automobile muffler, includes the workstation, the workstation is provided with the first seat and the second of accepting that are used for accepting the silencer respectively along silencer length direction's both sides and accepts the seat, be provided with the first fixed subassembly that is used for fixed silencer tip on the workstation, still be provided with the fixed subassembly of second that is used for fixed silencer week side extension pipe on the workstation.

Through adopting above-mentioned technical scheme, in the in-service use, the staff places silencer length direction's both sides respectively on first accepting seat and second accept the seat, then utilizes first fixed subassembly to fix the tip of muffler, utilizes the fixed subassembly of second to fix the extension pipe of muffler week side after that, and later, the staff alright carry out welding operation to the junction of extension pipe and muffler, has improved this mounting fixture's suitability promptly.

The present invention may be further configured in a preferred embodiment as: first fixed subassembly includes first butt base, first butt pole and the fixed ring cover in aperture, first butt base sets up on the workstation, first butt base is improved level and has been seted up first groove of sliding, first butt pole is pegged graft first inslot of sliding and is formed the rotation cooperation of sliding with first sliding groove, the solid fixed ring in aperture is sheathe in and is offered the annular with silencer port aperture looks adaptation, the solid fixed ring cover in aperture sets up the one end that is close to the silencer at first butt pole, first fixed subassembly still includes the head rod, the fixed setting of head rod is on the butt pole, set up on the first butt base and form the first joint groove of joint complex with the head rod.

Through adopting above-mentioned technical scheme, place silencer length direction's both sides respectively at first accepting the seat and the second accepts the seat after, handheld joint pole slides at first sliding groove along the direction drive butt joint pole that is close to the silencer, and then drive aperture fixed ring cover and remove, make the annular cover on the aperture fixed ring cover on the port of silencer, then rotate first butt joint pole, make first butt joint pole and first joint slot form the joint cooperation, alright realize fixed to the butt of silencer tip, the fixed mode is simple and convenient.

The present invention may be further configured in a preferred embodiment as: the second fixing assembly comprises a positioning base and a first quick pressing mechanism used for abutting against the extension pipe base, a positioning pin is arranged on the positioning base, and the positioning pin and a mounting hole on the silencer extension pipe base form clamping fit.

Through adopting above-mentioned technical scheme, in the in-service use, the locating pin on the mounting hole on the extension pipe base and the positioning base forms the joint cooperation, then utilizes the base that first quick hold-down mechanism butt compressed tightly the extension pipe, and then realizes the fixed to the extension pipe.

The present invention may be further configured in a preferred embodiment as: the first rapid pressing mechanism comprises a first support, a first handle, a first pressing handle and a butt joint block, the first support is fixedly arranged on the workbench through bolts, one end of the first handle is hinged to the lower portion of the first support, the other end of the first handle is a free end, one end of the first pressing handle is hinged to the high portion of the first support, the other end of the first pressing handle is fixedly connected with the butt joint block, the first rapid pressing mechanism further comprises a first connecting rod, one end of the first connecting rod is hinged to the middle of the first pressing handle, the other end of the first connecting rod is hinged to the middle of the first handle, and the first handle, the first support, the first pressing handle and the first connecting rod form a four-bar linkage mechanism.

Through adopting above-mentioned technical scheme, in-service use, after the staff utilizes the grafting round pin to fix on the location base with the base of extension pipe, the staff promotes first handle forward, make butt piece butt on the base of extension pipe, then stimulate first handle backward, make the head rod rotate backward, utilize frictional force between each other to make first handle, first support, first pressure is dead and the head rod four forms the lock, make on the butt piece compresses tightly the base of extension pipe, whole compress tightly fixed operation only need forward promote first handle then stimulate first handle backward can, convenient operation is swift promptly.

The present invention may be further configured in a preferred embodiment as: the butt joint piece has been seted up and has been dodged the groove, just the butt joint piece is located and dodges the groove left and right sides both sides of direction and all is provided with first butt joint post.

Through adopting above-mentioned technical scheme, utilize the groove of dodging of seting up on the butt joint piece to improve the area of contact of butt joint piece and extension pipe base, and utilize the first butt joint post of the left and right sides, make the base of extension pipe receive the butt power of symmetry, further improve the effect that compresses tightly to the base.

The present invention may be further configured in a preferred embodiment as: one side of deviating from the fixed subassembly of second on the workstation is provided with the first butt subassembly that is used for butt silencer lateral wall.

Through adopting above-mentioned technical scheme, the lateral wall that utilizes the first butt subassembly that deviates from the fixed subassembly one side setting of second to carry out the butt to fix to the muffler carries out welding operation in the junction of muffler and extension pipe, and the muffler produces unnecessary removal because of the atress, ensures welding jobs's normal clear promptly.

The present invention may be further configured in a preferred embodiment as: first butt subassembly includes second butt base, second butt pole and second joint pole, the second butt base sets up on the workstation, the first groove of sliding has been seted up to second butt base upper level, the second butt pole is pegged graft the second and is slided the inslot and form the rotation cooperation of sliding with second sliding groove, the one end that the second butt pole is close to the silencer is provided with the second butt post, the fixed setting of second joint pole is on the butt pole, set up on the second butt base and form joint complex second joint groove with the second joint pole.

Through adopting above-mentioned technical scheme, the handheld second joint pole of staff removes along the direction that is close to the silencer for second butt post butt on the butt pole is on the lateral wall of silencer, then with second joint pole joint in second joint groove, and then specifically realize the fixed operation of butt to the silencer lateral wall, and this butt fixed operation convenient operation is swift.

The present invention may be further configured in a preferred embodiment as: one side of the workbench departing from the second fixing component is also provided with a second abutting component used for abutting against the top of the silencer.

By adopting the technical scheme, in actual work, after the first abutting assembly abuts against the side wall of the silencer, the second abutting assembly is used for fixing the top of the silencer, so that the silencer is prevented from moving due to upward force or component force, and normal operation of welding operation is further ensured.

The present invention may be further configured in a preferred embodiment as: the workstation has the second location base through the bolt fastening, be provided with the second locating pin on the second location base, one side of second location base is provided with the quick hold-down mechanism of second, the quick hold-down mechanism of second includes second support, second handle, second pressure handle and clamp bolt, the one end that the handle was pressed to the second articulates the front end at the second support, clamp bolt fixed connection presses the other end of handle at the second, the one end of second handle articulates the one end that the handle is close to the second support at the second pressure, the quick hold-down mechanism of second still includes the second connecting rod, the both ends of second connecting rod articulate respectively at the rear end of second support and the middle part of handle, form four-bar linkage between second support, second connecting rod, second handle and the second pressure handle.

By adopting the technical scheme, in actual use, as the shape and the structure of the silencer are various, the silencer can be further suitable for clamping and fixing parts with the extension pipe end parts on the peripheral side of the silencer in a plane shape by utilizing the second positioning base and the second quick pressing mechanism; when actually fixing, the staff utilizes the four-bar linkage that forms between second support, second connecting rod, second handle and the second pressure handle can form the lock state, compresses tightly fixedly to the extension pipe end portion of muffler week side and is planar zero, and fixed mode is simple and convenient.

The present invention may be further configured in a preferred embodiment as: the second is pressed and is formed with the adjustment tank along its length direction, compression bolt passes the adjustment tank and forms the cooperation of sliding with the adjustment tank, just compression bolt and second are pressed and are perpendicular setting, compression bolt has first fastening nut and second fastening nut through threaded connection, first fastening nut and second fastening nut are located the second respectively and press the both sides of thickness direction, just one side that first fastening nut is relative with second fastening nut all is provided with the butt lamellar body, two the butt lamellar body passes compression bolt and forms the cooperation of sliding with compression bolt, and two the butt lamellar body offsets tightly the both sides of thickness direction with the second pressure.

By adopting the technical scheme, in actual use, a worker can adjust the sliding distance of the compression bolt in the adjusting groove according to the position of the planar part at the end part of the extending pipe, and respectively tighten the first fastening nut and the second fastening nut, so that the two abutting sheet bodies are abutted against two sides of the pressing handle in the thickness direction, and the compression bolt is fixed on the pressing handle; in addition, the sliding distance of the compression bolt in the vertical direction of the adjusting groove can be adjusted according to the thickness of the planar part, and then the two abutting sheet bodies are abutted to two sides of the compression handle in the thickness direction by using the first fastening nut and the second fastening nut in the same way so as to realize the fixation of the compression bolt.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the two sides of the silencer in the length direction are respectively placed on the first bearing seat and the second bearing seat, then the end part of the silencer is fixed by the first fixing component, then the extension pipe on the peripheral side of the silencer is fixed by the second fixing component, and further the joint of the extension pipe and the silencer can be welded, so that the applicability of the fixing clamp is improved;

the first abutting component and the second abutting component are arranged on one side, away from the second fixing component, of the workbench and abut against the side wall on the peripheral side of the silencer and the side wall on the top of the silencer respectively, so that the silencer is prevented from moving unnecessarily in the welding process, and normal operation of welding operation is ensured;

the first quick pressing mechanism and the second quick pressing mechanism are utilized to press and fix the base of the extension pipe on the peripheral side of the silencer, and the fixing mode is simple and quick.

Drawings

FIG. 1 is a schematic axial view of a fixing clamp for an automobile muffler according to the present embodiment;

FIG. 2 is a schematic structural view of the fixing clamp for an automobile muffler of the present embodiment when the muffler is removed;

FIG. 3 is a schematic view of the first fixing element structure according to the present embodiment;

FIG. 4 is a schematic view of the second fixing assembly of the present embodiment;

FIG. 5 is a schematic view of the first abutting assembly of the present embodiment;

FIG. 6 is a schematic view of the third fixing assembly of the present embodiment;

FIG. 7 is a schematic view of the present embodiment mainly embodying the adjustment groove;

fig. 8 is a schematic diagram mainly showing the structure of a muffler in the prior art.

Reference numerals: 1. a work table; 2. a first bearing seat; 3. a second bearing seat; 4. a first fixed component; 41. a first abutment base; 411. a first sliding groove; 42. a first abutting rod; 43. an aperture fixing ring sleeve; 431. a ring groove; 44. a first clamping connection rod; 45. a first clamping block; 451. a first clamping groove; 5. a second fixed component; 51. a first positioning base; 511. a first positioning pin; 52. a first rapid hold-down mechanism; 521. a first bracket; 5211. a high hinge; 5212. a lower hinge; 522. a first handle; 523. a first press handle; 524. a butting block; 5241. an avoidance groove; 5242. a first abutment post; 525. a first connecting rod; 6. a first abutment assembly; 61. a second abutment base; 611. a second sliding groove; 612. a second clamping groove; 62. a second butting rod; 621. a second abutment post; 63. a second clamping connection rod; 7. a second abutment assembly; 71. a supporting seat; 8. a third fixed component; 81. a second positioning base; 811. a second positioning pin; 82. a second rapid hold-down mechanism; 821. a second bracket; 822. a second handle; 823. a second press handle; 8231. an adjustment groove; 824. a hold-down bolt; 8241. a first fastening nut; 8242. a second fastening nut; 8243. abutting the sheet body; 825. a second connecting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a fixing clamp for an automobile muffler comprises a workbench 1, wherein a first bearing seat 2 and a second bearing seat 3 for erecting the muffler are fixed at the middle part of the workbench 1 through bolts, and the first bearing seat 2 and the second bearing seat 3 are respectively positioned at two sides of the muffler in the length direction; be provided with the first fixed subassembly 4 that is used for fixed silencer tip on the workstation 1, first fixed subassembly 4 is provided with two, and two first fixed subassemblies 4 are located two tip of silencer length direction respectively, still are provided with the fixed subassembly 5 of second that is used for fixed silencer week side extension pipe on the workstation 1, and the fixed subassembly 5 of second is located the left side of silencer.

In actual use, the staff places silencer length direction's both sides respectively on first socket 2 and second socket 3, then utilizes two first fixed subassemblies 4 to fix the length direction's of silencer both ends, utilizes second fixed subassembly 5 to fix the extension pipe of silencer left side below after that, and later, the staff alright weld the operation to the junction of extension pipe and silencer.

Since the two first fixing members 4 have the same structure and installation manner, any one of the two first fixing members 4 will be described as an example.

As shown in fig. 2 and 3, the first fixing component 4 includes a first abutting base 41, a first abutting rod 42 and an aperture fixing ring sleeve 43, the bottom of the first abutting base 41 is fixed on the workbench 1 by bolts, a first sliding groove 411 is formed on the top of the first abutting base 41 along the length direction of the muffler, the first abutting rod 42 is inserted into the first sliding groove 411 and forms a rotating sliding fit with the first sliding groove 411, an annular groove 431 adapted to the aperture of the port of the muffler is formed on one side of the aperture fixing ring sleeve 43 close to the muffler, the aperture fixing ring sleeve 43 is fixed on the end of the first abutting rod 42 close to one side of the muffler, the first fixing component 4 further includes a first clamping rod 44 and a first clamping block 45, the first clamping rod 44 is fixed on the first abutting rod 42 by welding and is perpendicular to the first abutting rod 42, the first clamping rod 44 and the aperture fixing sleeve are respectively positioned at two sides of the first abutting base 41; the first clamping block 45 is fixed on one side of the first abutting base 41 in the width direction through a bolt, a first clamping groove 451 with an upward opening is formed in the first clamping block 45, and the first clamping groove 451 and the first clamping rod 44 form clamping fit.

In practical use, after the worker places the two sides of the muffler in the length direction on the first receiving seat 2 and the second receiving seat 3 respectively, the worker drives the abutting rod to slide in the first sliding groove 411 by holding the abutting rod by hand in the direction close to the muffler, and further drives the aperture fixing ring sleeve 43 to move, so that the ring groove 431 on the aperture fixing ring sleeve 43 is sleeved on the port of the muffler, and then the first abutting rod 42 is rotated, so that the first abutting rod 44 is clamped in the first clamping groove 451 from top to bottom, and the abutting fixation of one end of the muffler in the length direction can be realized; similarly, the other first fixing unit 4 drives the first abutting rod 42 to abut and fix the other end in the longitudinal direction of the muffler, and further to abut and fix both ends in the longitudinal direction of the muffler.

As shown in fig. 2 and 4, the second fixing assembly 5 includes a first positioning base 51 and a first quick pressing mechanism 52 for abutting against and pressing the base of the extension pipe, the first positioning base 51 is fixed on the workbench 1 through bolts, two first positioning pins 511 are fixed on the upper surface of the first positioning base 51 through welding, and the two first positioning pins 511 form a snap fit with mounting holes on the base of the end of the extension pipe of the muffler; the first quick pressing mechanism 52 comprises a first bracket 521, a first handle 522, a first pressing handle 523 and a butting block 524, wherein the first bracket 521 is fixed on the workbench 1 through bolts, a high-position hinged part 5211 and a low-position hinged part 5212 are formed on the first bracket 521, one end of the first handle 522 in the length direction is hinged with the low position of the first bracket 521, and the other end of the first handle 522 in the length direction is a free end; one end of the first press handle 523 in the length direction is hinged with the high position of the first bracket 521, and the other end of the first press handle 523 in the length direction is fixedly connected with the abutting block 524; an avoiding groove 5241 is formed in the abutting block 524, the avoiding groove 5241 is matched with the extension pipe, and first abutting columns 5242 are fixedly welded on the two sides of the abutting block 524, which are positioned on the left and right sides of the avoiding groove 5241; the first quick pressing mechanism 52 further includes a first connecting rod 525, one end of the first connecting rod 525 in the length direction is hinged to the middle of the first pressing handle 523, and the other end of the first connecting rod 525 in the length direction is hinged to the middle of the first handle 522, that is, the first handle 522, the first bracket 521, the first pressing handle 523 and the first connecting rod 525 form a four-bar linkage.

In practical use, a worker can fix the first positioning base 51 at a corresponding position on the workbench 1 through bolts according to the positions of the extension pipes on the peripheral side of the muffler, and set a corresponding number of second fixing assemblies 5 on the workbench 1 according to the number of the extension pipes on the peripheral side of the muffler; the specific fixing operation is that after the operator fixes the base of the extension pipe on the first positioning base 51 by using the plug pin to clamp, the operator pushes the first handle 522 forward, so that the first abutting column 5242 on the abutting block 524 abuts on the base of the extension pipe, and then pulls the first handle 522 backward, so that the first connecting rod 525 rotates backward, and the first handle 522, the first bracket 521, the first pressing handle 523 and the four-bar linkage formed by the four connecting rods 525 form a lock, so that the first handle 522, the first bracket 521, the first pressing handle 523 and the four connecting rods 525 form a lock, and further the first abutting column 5242 on the abutting block 524 is pressed tightly on the base of the extension pipe.

As shown in fig. 2 and 5, one side of the workbench 1 away from the second fixing component 5 is provided with two first abutting components 6 for abutting against the side wall of the muffler, and the two first abutting components 6 are symmetrically arranged along the length direction of the muffler, and since the two first abutting components 6 have the same structure and installation manner, any one of the two first abutting components 6 is taken as an example for explanation.

The first abutting assembly 6 comprises a second abutting base 61, a second abutting rod 62 and a second clamping rod 63, the second abutting base 61 is fixed on the workbench 1 through bolts, a second sliding groove 611 is horizontally formed in the second abutting base 61, the length direction of the second sliding groove 611 is perpendicular to the length direction of the muffler, and the second abutting rod 62 is inserted into the second sliding groove 611 and forms rotating sliding fit with the second sliding groove 611; a second abutting column 621 is fixed to one end, close to the muffler, of the second abutting rod 62 through welding; the second clamping rod 63 is fixed on the second abutting rod 62 by welding, and the second clamping rod 63 and the second abutting column 621 are respectively located at two sides of the first sliding slot 411 in the length direction; the second abutting base 61 is provided with a second clamping groove 612 which forms a clamping fit with the second clamping rod 63.

During actual clamping, the worker holds the second clamping rod 63 and moves along the direction close to the silencer, so that the second abutting column 621 on the abutting rod abuts against the side wall of the silencer, then the second clamping rod 63 is clamped in the second clamping groove 612, and the abutting of the side wall of the silencer is fixed.

As shown in fig. 2, one side of the workbench 1 away from the second fixing component 5 is further provided with a second abutting component 7 for abutting against the top of the muffler in the vertical direction, the second abutting component 7 includes a supporting seat 71, the supporting seat 71 is fixed on the workbench 1 through a bolt, and the supporting seat 71 is located between two second abutting bases 61, similarly, the top of the supporting seat 71 is provided with a first fast pressing mechanism 52, and the first fast pressing mechanism 52 is identical to the first fast pressing mechanism 52 in the second fixing component 5 in structure and installation manner, which is not described in detail.

During the in-service use, the staff promotes the handle forward for first butt post 5242 butt on butt piece 524 is at the top of silencer, then pulls the handle backward, makes the connecting rod rotate backward, utilizes the four-bar linkage that handle, support, pressure handle and connecting rod four formed, makes handle, support, pressure handle and connecting rod four form the lock and dies, and then compresses tightly the top of silencer with first butt post 5242 on butt piece 524.

As shown in fig. 2 and 6, a third fixing assembly 8 is further disposed on the workbench 1, the third fixing assembly 8 includes a second positioning base 81 and a second quick pressing mechanism 82, the second positioning base 81 is fixed on the workbench 1 by a bolt, and a second positioning pin 811 for butting other extension pipes is fixed on the second positioning base 81 by welding; the second fast pressing mechanism 82 is located on one side of the second positioning base 81, the second fast pressing mechanism 82 includes a second bracket 821, a second handle 822, a second pressing handle 823 and a pressing bolt 824, the second bracket 821 is fixed on the workbench 1 through a bolt, one end of the second pressing handle 823 is hinged to the front end of the second bracket 821, the other end of the second pressing handle 823 is formed with an adjusting groove 8231 (see fig. 7) along the length direction thereof, the pressing bolt 824 passes through the adjusting groove 8231 and forms a sliding fit with the adjusting groove 8231, the pressing bolt 824 and the second pressing handle 823 are vertically arranged, the pressing bolt 824 is connected with a first fastening nut 8241 and a second fastening nut 8242 through threads, the first fastening nut 8241 and the second fastening nut 8242 are respectively located on two sides of the thickness direction of the second pressing handle 823, one side of the first fastening nut 8241 opposite to the second fastening nut 8242 is provided with a sheet body 8243 in an abutting joint manner, the two abutting sheet bodies 8243 penetrate through the pressing bolt 824 and form sliding fit with the pressing bolt 824, when the two fastening nuts move oppositely, until the two abutting sheet bodies 8243 abut against the two sides of the second pressing handle 823 in the thickness direction, and the pressing bolt 824 is fixed on the second pressing handle 823; one end of the second handle 822 is hinged to one end of the second pressing handle 823 close to the second bracket 821, the second quick pressing mechanism 82 further comprises a second connecting rod 825, two ends of the second connecting rod 825 are respectively hinged to the rear end of the second bracket 821 and the middle of the handle, and a four-bar linkage is formed among the second bracket 821, the second connecting rod 825, the second handle 822 and the second pressing handle 823.

In practical use, a worker can adjust the sliding distance of the pressing bolt 824 in the adjusting groove 8231 according to the position of the planar part at the end of the extension pipe, and respectively screw the first fastening nut 8241 and the second fastening nut 8242, so that the two abutting sheet bodies 8243 abut against two sides in the thickness direction of the pressing handle, and the pressing bolt 824 is fixed on the pressing handle; in addition, the sliding distance of the pressing bolt 824 in the vertical direction of the adjusting groove 8231 can be adjusted according to the thickness of the planar part, and then the two abutting sheet bodies 8243 are abutted against two sides of the pressing handle in the thickness direction by using the first fastening nut 8241 and the second fastening nut 8242 in the same way, so that the fixing of the pressing bolt 824 is realized; then, the worker only needs to pull the second handle 822 back and forth to form a dead-locked state by using the four-bar linkage mechanism formed among the second bracket 821, the second connecting rod 825, the second handle 822 and the second pressing handle 823, so that the flat part of the end part of the extension pipe on the peripheral side of the muffler can be pressed and fixed.

The implementation principle of the embodiment is as follows:

in practical use, a worker places two sides of the muffler in the length direction on the first receiving seat 2 and the second receiving seat 3 respectively, and then drives the butting rod to slide in the first sliding groove 411 by holding the butting rod with hands, so as to drive the aperture fixing ring sleeve 43 to move, so that the ring groove 431 on the aperture fixing ring sleeve 43 is sleeved on the port of the muffler, and then the first butting rod 42 is rotated, so that the first butting rod 44 is clamped in the first clamping groove 451 from top to bottom, and thus, one end of the muffler in the length direction can be butted and fixed; similarly, the other first fixing unit 4 drives the first abutting rod 42 to abut and fix the other end in the longitudinal direction of the muffler, and further abuts and fixes the both ends in the longitudinal direction of the muffler;

then, after the operator fixes the base of the extension pipe to the first positioning base 51 by using the first positioning pin 511, the operator pushes the first handle 522 forward to make the first abutting column 5242 on the abutting block 524 abut on the base of the extension pipe, and then pulls the first handle 522 backward to make the first connecting rod 525 rotate backward, and the first handle 522, the first bracket 521, the first pressing handle 523 and the first connecting rod 525 form a lock by using a four-bar linkage formed by the first handle 522, the first bracket 521, the first pressing handle 523 and the first connecting rod 525, so as to press the first abutting column 5242 on the abutting block 524 onto the base of the extension pipe;

then, the worker holds the second clamping rod 63 and moves along the direction close to the muffler, so that the second abutting column 621 on the abutting rod abuts against the side wall of the muffler, and then the second clamping rod 63 is clamped in the second clamping groove 612, so that the side wall of the muffler is abutted and fixed; in addition, the first quick pressing mechanism 52 arranged at the top of the silencer is used for abutting and fixing the top of the silencer in the same pressing and fixing mode;

finally, the worker can adjust the position of the pressing bolt 824 in the second pressing process according to the position and thickness of the extension pipe base corresponding to different mufflers, pull the second handle 822 back and forth, and form a dead locking state by using a four-bar mechanism formed among the second bracket 821, the second connecting rod 825, the second handle 822 and the second pressing handle 823, so that the planar zero part of the end part of the extension pipe on the peripheral side of the muffler can be pressed and fixed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a mounting fixture for automobile muffler, includes workstation (1), its characterized in that, workstation (1) is provided with the first seat (2) and the second of accepting that is used for accepting the silencer respectively along silencer length direction's both sides and accepts seat (3), be provided with first fixed subassembly (4) that are used for fixed silencer tip on workstation (1), still be provided with second fixed subassembly (5) that are used for fixed silencer week side extension pipe on workstation (1).

2. The fixing clamp for the automobile muffler according to claim 1, wherein the first fixing component (4) comprises a first abutting base (41), a first abutting rod (42) and an aperture fixing ring sleeve (43), the first abutting base (41) is disposed on the workbench (1), a first sliding groove (411) is horizontally formed on the first abutting base (41), the first abutting rod (42) is inserted into the first sliding groove (411) and forms a rotating sliding fit with the first sliding groove (411), an annular groove (431) matched with the aperture of the muffler port is formed on the aperture fixing ring sleeve (43), the aperture fixing ring sleeve (43) is disposed at one end of the first abutting rod (42) close to the muffler, the first fixing component (4) further comprises a first clamping rod (44), the first clamping rod (44) is fixedly disposed on the abutting rod, the first abutting base (41) is provided with a first clamping groove (451) which is in clamping fit with the first clamping rod (44).

3. The fixing clamp for the automobile muffler is characterized in that the second fixing assembly (5) comprises a positioning base and a first quick pressing mechanism (52) used for abutting against and pressing the extension pipe base, wherein a positioning pin is arranged on the positioning base and forms a clamping fit with a mounting hole in the muffler extension pipe base.

4. The fixing clamp for the automobile muffler is characterized in that the first quick pressing mechanism (52) comprises a first bracket (521), a first handle (522), a first pressing handle (523) and a butting block (524), the first bracket (521) is fixedly arranged on the workbench (1) through bolts, one end of the first handle (522) is hinged to the lower part of the first bracket (521), the other end of the first handle (522) is a free end, one end of the first pressing handle (523) is hinged to the upper part of the first bracket (521), the other end of the first pressing handle (523) is fixedly connected with the butting block (524), the first quick pressing mechanism (52) further comprises a first connecting rod (525), one end of the first connecting rod (525) is hinged to the middle part of the first pressing handle (523), the other end of the first connecting rod (525) is hinged to the middle of the first handle (522), and the first handle (522), the first support (521), the first pressing handle (523) and the first connecting rod (525) form a four-bar linkage.

5. The fixing clamp for the automobile muffler according to claim 4, wherein the abutting block (524) is provided with an avoiding groove (5241), and first abutting columns (5242) are respectively arranged on two sides of the abutting block (524) in the left and right directions of the avoiding groove (5241).

6. A fixing clamp for an automobile muffler according to claim 1, characterized in that a first abutment assembly (6) for abutting against a muffler side wall is arranged on the side of the working table (1) facing away from the second fixing assembly (5).

7. The fixing clamp for the automobile muffler is characterized in that the first abutting assembly (6) comprises a second abutting base (61), a second abutting rod (62) and a second clamping rod (63), the second abutting base (61) is arranged on the workbench (1), a first sliding groove (411) is horizontally formed in the second abutting base (61), the second abutting rod (62) is inserted into the second sliding groove (611) and forms rotating sliding fit with the second sliding groove (611), a second abutting column (621) is arranged at one end, close to the muffler, of the second abutting rod (62), the second clamping rod (63) is fixedly arranged on the abutting rod, and a second clamping groove (612) which forms clamping fit with the second clamping rod (63) is formed in the second abutting base (61).

8. A fixing clamp for an automobile muffler according to claim 1, characterized in that a second abutting assembly (7) for abutting against the top of the muffler is further provided on the side of the workbench (1) facing away from the second fixing assembly (5).

9. The fixing clamp for the automobile muffler is characterized in that a second positioning base (81) is fixed on the workbench (1) through bolts, a second positioning pin (811) is arranged on the second positioning base (81), a second quick pressing mechanism (82) is arranged on one side of the second positioning base (81), the second quick pressing mechanism (82) comprises a second bracket (821), a second handle (822), a second pressing handle (823) and a pressing bolt (824), one end of the second pressing handle (823) is hinged to the front end of the second bracket (821), the pressing bolt (824) is fixedly connected to the other end of the second pressing handle (823), one end of the second handle (822) is hinged to one end of the second pressing handle (823) close to the second bracket (821), and the second quick pressing mechanism (82) further comprises a second connecting rod (825), two ends of the second connecting rod (825) are respectively hinged to the rear end of the second support (821) and the middle of the handle, and a four-bar linkage is formed among the second support (821), the second connecting rod (825), the second handle (822) and the second pressing handle (823).

10. The fixing clamp for the automobile muffler is characterized in that an adjusting groove (8231) is formed in the second pressure handle (823) along the length direction of the second pressure handle, the pressing bolt (824) penetrates through the adjusting groove (8231) and is in sliding fit with the adjusting groove (8231), the pressing bolt (824) and the second pressure handle (823) are vertically arranged, the pressing bolt (824) is connected with a first fastening nut (8241) and a second fastening nut (8242) through threads, the first fastening nut (8241) and the second fastening nut (8242) are respectively arranged on two sides of the second pressure handle (823) in the thickness direction, abutting sheet bodies (8243) are arranged on the opposite sides of the first fastening nut (8241) and the second fastening nut (8242), and the abutting sheet bodies (8243) penetrate through the pressing bolt (824) and are in sliding fit with the pressing bolt (824), and the two abutting sheet bodies (8243) are abutted with the two sides of the second pressing handle (823) in the thickness direction.

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