CN213946241U - Anti-drop clamping mechanism for assembling inner pull rod of passenger car - Google Patents
Anti-drop clamping mechanism for assembling inner pull rod of passenger car Download PDFInfo
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- CN213946241U CN213946241U CN202022167119.1U CN202022167119U CN213946241U CN 213946241 U CN213946241 U CN 213946241U CN 202022167119 U CN202022167119 U CN 202022167119U CN 213946241 U CN213946241 U CN 213946241U
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Abstract
The utility model relates to the technical field of machinery. The anti-drop clamping mechanism for assembling the inner pull rod of the passenger car comprises a first clamping arm and a second clamping arm; the positioning device also comprises a transmission mechanism, wherein the transmission mechanism comprises a positioning block, a positioning rod, a spring, a limiting sleeve, a first connecting rod, a second connecting rod and a sliding block; the positioning block is arranged on the mounting seat, the positioning rod is arranged on the positioning block, a spring is sleeved on the positioning rod, one end of the spring abuts against the positioning block, and the other end of the spring abuts against the sliding block; the sliding block is hinged with a first connecting rod and a second connecting rod, the first connecting rod is hinged with the end part of the first clamping arm, and the second connecting rod is hinged with the end part of the second clamping arm; the positioning rod is detachably connected with the limiting sleeve through a screw; the positioning device further comprises two limiting assemblies, and each limiting assembly comprises a limiting rod used for abutting against the positioning block. The problem that the sliding block is separated from the guide rod under the action of the spring in the furled state of the first clamping arm and the second clamping arm to cause impact on the cylinder is avoided.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically fixture.
Background
In the assembling process of the inner pull rod of the passenger car, the clamping mechanism is an indispensable tool, and the inner pull rod is convenient to fix.
The clamping mechanism of the pull rod in the existing passenger car often drives the sliding block to slide back and forth on the guide rod through the reciprocation of the cylinder, and then the clamping arm of the clamping mechanism is linked to open and close. Because the guide rod of the existing clamping mechanism is not provided with the positioning sleeve, the sliding block is easy to separate from the guide rod, and the rear propelling cylinder can be frequently knocked off, so that a large amount of funds are spent to buy the cylinder to cause serious economic loss, and equipment can be stopped without accessories to influence the production plan when the equipment is more serious.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a passenger car inner pull rod assembly is with anticreep shape fixture to solve above at least one technical problem.
In order to achieve the purpose, the utility model provides an anti-drop clamping mechanism for assembling a pull rod in a passenger car, which comprises a first clamping arm and a second clamping arm which are arranged on the left and the right, and is characterized by also comprising a mounting seat, wherein the mounting seat is provided with a mounting hole for mounting and fixing;
the first clamping arm and the second clamping arm are hinged with the mounting seat;
the clamping device is characterized by also comprising a transmission mechanism for driving the first clamping arm and the second clamping arm to move, wherein the transmission mechanism comprises a positioning block, a positioning rod, a spring, a limiting sleeve, a first connecting rod, a second connecting rod and a sliding block which is in sliding connection with the positioning rod;
the positioning block is arranged on the mounting seat, the positioning rod is arranged on the positioning block, the spring is sleeved on the positioning rod, one end of the spring abuts against the positioning block, and the other end of the spring abuts against the sliding block;
the left end and the right end of the sliding block are respectively hinged with one end of the first connecting rod and one end of the second connecting rod, one end of the first connecting rod is hinged with the end part of the first clamping arm, and the other end of the second connecting rod is hinged with the end part of the second clamping arm;
the positioning rod is detachably connected with the limiting sleeve through a screw, and the front end face of the limiting sleeve is used for abutting against the sliding block;
the sliding block is provided with a guide hole in sliding connection with the positioning rod, and the rear end of the guide hole is provided with a groove for accommodating the limiting sleeve;
the positioning device comprises a first clamping arm, a second clamping arm and a positioning block, and is characterized by further comprising two limiting assemblies, wherein the two limiting assemblies are arranged on the first clamping arm and the second clamping arm in a left-right mirror symmetry mode, and each limiting assembly comprises a limiting rod used for abutting against the positioning block.
This patent is through optimizing fixture's structure, through the stop collar, and then avoids the slider to deviate from under the effect of spring from the guide rod under first centre gripping arm and second centre gripping arm folded state and lead to damaging the problem of cylinder. Through the arrangement of the limiting rod, the limiting of the transmission mechanism is realized, and the limiting of the first clamping arm and the second clamping arm in a furled state is realized.
Further preferably, the first connecting rod is hinged to the sliding block through a rotating shaft, a limiting protrusion extending outwards is arranged at the top of the rotating shaft, an annular groove is formed in the bottom of the rotating shaft, and a clamp spring is sleeved in the annular groove;
the first connecting rod and the sliding block are located between the limiting protrusion and the clamping spring.
This patent is through optimizing the structure of articulated department, is convenient for guarantee articulated effect, avoids taking off, has improved linkage stability. Through spacing arch, avoid the drop of pivot.
The hinged part of the second connecting rod and the sliding block, the hinged part of the first connecting rod and the first clamping arm, and the hinged part of the second clamping arm and the second connecting rod are limited up and down through the limiting block and the clamp spring.
Further preferably, the first clamping arm and the second clamping arm are rotatably mounted on the mounting base through bolts.
The first clamping arm and the second clamping arm are convenient to hinge with the mounting seat.
Further preferably, the two limiting assemblies respectively comprise a supporting block fixed on the first clamping arm and the second clamping arm, the supporting blocks are in threaded connection with the limiting rods, the limiting rods are also in threaded connection with nuts, and the nuts abut against one sides of the supporting blocks far away from the positioning blocks;
the locating block is provided with a limiting surface which is arranged in a left-right mirror symmetry mode, the limiting surface abuts against the end portion of the limiting rod, and the limiting surface is an inclined surface.
The supporting block is in threaded connection with the limiting rod, so that the length of the limiting rod exceeding the supporting block can be conveniently adjusted, and the requirement for drawing in the space of different clamping arms can be further met.
Further preferably, the limiting surface is detachably connected with a POM plastic block through a screw.
Noise reduction when this patent passes through the POM plastic pellet realization gag lever post striking.
Further preferably, the first clamping arm and the second clamping arm are detachably connected with clamping blocks for clamping materials through screws.
The clamping block is convenient to replace, the clamping block is convenient to adapt to workpieces with different sizes, and the universality of the device is improved.
Further preferably, the first clamping arm and the second clamping arm are bent;
the first clamping arm and the second clamping arm respectively comprise a first bending part and a second bending part, and the included angle between the first bending part and the second bending part is larger than 110 degrees;
the first bending part is hinged with the mounting seat;
the clamping block is installed on the second bending part.
Facilitating the clamping movement.
Further preferably, the bottom of the mounting seat is provided with a positioning groove, and the cross section of the positioning groove is in a regular polygon shape.
The pre-positioning of the clamping mechanism during integral installation is convenient to realize, and the installation stability is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention in a folded state;
FIG. 2 is a partial enlarged view of the structure of FIG. 1;
fig. 3 is a cross-sectional view of the stop collar of the present invention;
fig. 4 is a schematic structural view of the slide block of the present invention in an open state;
FIG. 5 shows the present invention
Wherein, 1 is the first centre gripping arm, 2 is the second centre gripping arm, 3 is the first connecting rod, 4 is the second connecting rod, 5 is the slider, 6 is the mount pad, 7 is the locating piece, 8 is the supporting shoe, 9 is the gag lever post, 10 is the nut, 11 is the grip block, 12 is the spring, 13 is the locating lever, 14 is the stop collar, 15 is the annular protrusion, 16 is the jump ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the anti-drop clamping mechanism for assembling the inner pull rod of the passenger car comprises a first clamping arm 1 and a second clamping arm 2 which are arranged at the left and right sides, and further comprises an installation seat 6, wherein the installation seat 6 is provided with an installation hole for installation and fixation; the first clamping arm 1 and the second clamping arm 2 are hinged with the mounting seat 6;
the clamping device also comprises a transmission mechanism for driving the first clamping arm 1 and the second clamping arm 2 to move, wherein the transmission mechanism comprises a positioning block 7, a positioning rod 13, a spring 12, a limiting sleeve 14, a first connecting rod 3, a second connecting rod 4 and a sliding block 5 connected with the positioning rod 13 in a sliding manner; the positioning block 7 is arranged on the mounting seat 6, the positioning block 7 is provided with a positioning rod 13, the positioning rod 13 is sleeved with a spring 12, one end of the spring 12 is abutted against the positioning block 7, and the other end of the spring 12 is abutted against the sliding block 5; the left end and the right end of the sliding block 5 are respectively hinged with one end of a first connecting rod 3 and one end of a second connecting rod 4, one end of the first connecting rod 3 is hinged with the end part of the first clamping arm 1, and the other end of the second connecting rod 4 is hinged with the end part of the second clamping arm 2; the positioning rod 13 is detachably connected with the limiting sleeve 14 through a screw, and the front end face of the limiting sleeve is used for abutting against the sliding block; a guide hole in sliding connection with the positioning rod 13 is formed in the sliding block 5, and a groove for accommodating the limiting sleeve 14 is formed in the rear end of the guide hole;
still include two spacing subassemblies, two spacing subassemblies left and right sides mirror symmetry set up on first centre gripping arm 1 and second centre gripping arm 2, and spacing subassembly is including being used for the gag lever post 9 that offsets with locating piece 7.
This patent is through optimizing fixture's structure, through stop collar 14, and then avoids slider 5 to deviate from under the effect of spring 12 under first centre gripping arm 1 and second centre gripping arm 2 folded state from the guide bar under and lead to the problem of bruising the cylinder. Through the setting of gag lever post 9, and then realized drive mechanism's spacing, and then realized spacing under first centre gripping arm 1 and the second centre gripping arm 2 folded state. The first clamping arm and the second clamping arm are in a furled state (see fig. 1) under the unstressed state, when a piston rod of the cylinder extends out, a push head of the cylinder pushes the sliding block forwards, the end parts of the limiting sleeve and the limiting rod slide into a containing groove of the push head, and the first clamping arm and the second clamping arm are opened, see fig. 4, wherein the cylinder is not shown in fig. 4. When the cylinder returns, the device is reset under the action of the spring.
The included angle between the first clamping arm and the first connecting rod is smaller than 90 degrees. The included angle between the second clamping arm and the second connecting rod is smaller than 90 degrees. The first link is inclined forward from left to right.
The first connecting rod 3 is hinged with the sliding block 5 through a rotating shaft, a limiting bulge 15 extending outwards is arranged at the top of the rotating shaft, an annular groove is formed in the bottom of the rotating shaft, and a clamp spring 16 is sleeved in the annular groove; the first connecting rod 3 and the sliding block 5 are positioned between the limiting bulge 15 and the clamp spring 16. This patent is through optimizing the structure of articulated department, is convenient for guarantee articulated effect, avoids taking off, has improved linkage stability. Through spacing arch, avoid the drop of pivot. The hinged position of the second connecting rod 4 and the sliding block 5, the hinged position of the first connecting rod 3 and the first clamping arm 1, and the hinged position of the second clamping arm 2 and the second connecting rod 4 are limited up and down through limiting blocks and clamping springs. The first clamping arm 1 and the second clamping arm 2 are rotatably mounted on the mounting seat 6 through bolts. The first clamping arm 1 and the second clamping arm 2 are hinged to the mounting seat 6 conveniently.
The two limiting components respectively comprise a supporting block 8 fixed on the first clamping arm 1 and the second clamping arm 2, the supporting blocks 8 are in threaded connection with a limiting rod 9, the limiting rod 9 is also in threaded connection with a nut 10, and the nut 10 abuts against one side, far away from the positioning block 7, of the supporting block 8; the positioning block 7 is provided with a limiting surface which is arranged in a left-right mirror symmetry manner, the limiting surface is abutted against the end part of the limiting rod 9, and the limiting surface is an inclined surface. The supporting block 8 is in threaded connection with the limiting rod 9, so that the length of the limiting rod 9 exceeding the supporting block 8 can be conveniently adjusted, and the requirement for drawing in the space of different clamping arms can be further met. The limiting surface is detachably connected with a POM plastic block through a screw. This patent is through the noise reduction when POM plastic mass realizes the gag lever post 9 striking. The head end of the limiting rod is in threaded connection with a POM plastic sleeve. The POM plastic sleeve is convenient to abut against the limiting surface for limiting.
The first clamping arm 1 and the second clamping arm 2 are detachably connected with clamping blocks 11 used for clamping materials through screws. The clamping block 11 can be replaced conveniently, the device is suitable for workpieces of different sizes, and the universality of the device is improved.
The first clamping arm 1 and the second clamping arm 2 are bent; the first clamping arm 1 and the second clamping arm 2 both comprise a first bending part and a second bending part, and the included angle between the first bending part and the second bending part is larger than 110 degrees; the first bending part is hinged with the mounting seat 6; the second bending part is provided with a clamping block 11. Facilitating the clamping movement.
The bottom of the mounting seat 6 is provided with a positioning groove, and the cross section of the positioning groove is in a regular polygon shape. The pre-positioning of the clamping mechanism during integral installation is convenient to realize, and the installation stability is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The anti-drop clamping mechanism for assembling the inner pull rod of the passenger car comprises a first clamping arm and a second clamping arm which are arranged on the left and right sides, and is characterized by further comprising a mounting seat, wherein mounting holes for mounting and fixing are formed in the mounting seat;
the first clamping arm and the second clamping arm are hinged with the mounting seat;
the clamping device is characterized by also comprising a transmission mechanism for driving the first clamping arm and the second clamping arm to move, wherein the transmission mechanism comprises a positioning block, a positioning rod, a spring, a limiting sleeve, a first connecting rod, a second connecting rod and a sliding block which is in sliding connection with the positioning rod;
the positioning block is arranged on the mounting seat, the positioning rod is arranged on the positioning block, the spring is sleeved on the positioning rod, one end of the spring abuts against the positioning block, and the other end of the spring abuts against the sliding block;
the left end and the right end of the sliding block are respectively hinged with one end of the first connecting rod and one end of the second connecting rod, one end of the first connecting rod is hinged with the end part of the first clamping arm, and the other end of the second connecting rod is hinged with the end part of the second clamping arm;
the positioning rod is detachably connected with the limiting sleeve through a screw, and the front end face of the limiting sleeve is used for abutting against the sliding block;
the sliding block is provided with a guide hole in sliding connection with the positioning rod, and the rear end of the guide hole is provided with a groove for accommodating the limiting sleeve;
the positioning device comprises a first clamping arm, a second clamping arm and a positioning block, and is characterized by further comprising two limiting assemblies, wherein the two limiting assemblies are arranged on the first clamping arm and the second clamping arm in a left-right mirror symmetry mode, and each limiting assembly comprises a limiting rod used for abutting against the positioning block.
2. The drop-proof clamping mechanism for assembling the inner pull rod of the passenger car according to claim 1, characterized in that: the first connecting rod is hinged with the sliding block through a rotating shaft, a limiting bulge extending outwards is arranged at the top of the rotating shaft, an annular groove is formed in the bottom of the rotating shaft, and a clamp spring is sleeved in the annular groove;
the first connecting rod and the sliding block are located between the limiting protrusion and the clamping spring.
3. The drop-proof clamping mechanism for assembling the inner pull rod of the passenger car according to claim 1, characterized in that: the first clamping arm and the second clamping arm are rotatably mounted on the mounting seat through bolts.
4. The drop-proof clamping mechanism for assembling the inner pull rod of the passenger car according to claim 1, characterized in that: the two limiting assemblies respectively comprise a supporting block which is used for being fixed on the first clamping arm and the second clamping arm, the supporting blocks are in threaded connection with the limiting rods, the limiting rods are also in threaded connection with nuts, and the nuts abut against one sides of the supporting blocks, which are far away from the positioning blocks;
the locating block is provided with a limiting surface which is arranged in a left-right mirror symmetry mode, the limiting surface abuts against the end portion of the limiting rod, and the limiting surface is an inclined surface.
5. The drop-proof clamping mechanism for assembling the inner pull rod of the passenger car according to claim 4, wherein: the limiting surface is detachably connected with a POM plastic block through a screw.
6. The drop-proof clamping mechanism for assembling the inner pull rod of the passenger car according to claim 1, characterized in that: the first clamping arm and the second clamping arm are detachably connected with clamping blocks used for clamping materials through screws.
7. The drop-preventing clamping mechanism for assembling the inner pull rod of the passenger car according to claim 6, is characterized in that: the first clamping arm and the second clamping arm are bent;
the first clamping arm and the second clamping arm respectively comprise a first bending part and a second bending part, and the included angle between the first bending part and the second bending part is larger than 110 degrees;
the first bending part is hinged with the mounting seat;
the clamping block is installed on the second bending part.
8. The drop-proof clamping mechanism for assembling the inner pull rod of the passenger car according to claim 1, characterized in that: the bottom of the mounting seat is provided with a positioning groove, and the cross section of the positioning groove is in a regular polygon shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022167119.1U CN213946241U (en) | 2020-09-28 | 2020-09-28 | Anti-drop clamping mechanism for assembling inner pull rod of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022167119.1U CN213946241U (en) | 2020-09-28 | 2020-09-28 | Anti-drop clamping mechanism for assembling inner pull rod of passenger car |
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| Publication Number | Publication Date |
|---|---|
| CN213946241U true CN213946241U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022167119.1U Active CN213946241U (en) | 2020-09-28 | 2020-09-28 | Anti-drop clamping mechanism for assembling inner pull rod of passenger car |
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| CN (1) | CN213946241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115841929A (en) * | 2023-02-16 | 2023-03-24 | 江苏丹通电气有限公司 | Vacuum circuit breaker on post |
-
2020
- 2020-09-28 CN CN202022167119.1U patent/CN213946241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115841929A (en) * | 2023-02-16 | 2023-03-24 | 江苏丹通电气有限公司 | Vacuum circuit breaker on post |
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