Detection tool for automobile tail door hinge protection plate

Abstract

The utility model relates to an automobile tail door hinge protection plate detection tool comprising a pedestal, a supporting seat fixed on the top of the pedestal, a main supporting block detachably fixed on the top of the supporting seat, and a first positioning seat and a second positioning seat which are fixed on the top of the pedestal and are respectively arranged on the left side and the right side of the main supporting block. The top of the main supporting block upwards forms a limiting arc face. A first pressing assembly is further arranged on the left side of the first positioning base. A second pressing assembly is further arranged behind the main supporting block and comprises a cushion block fixed to the top of the pedestal, a rotary lifting air cylinder fixed to the top of the cushion block, a pressing rod transversely fixed to the moving end of the rotary lifting air cylinder and an arc-shaped pressing strip rotationally connected to one end of the pressing rod and higher than the main supporting block. According to the utility model, the processing steps are simplified, and the manufacturing of the testing fixture is time-saving and labor-saving; in addition, the operation steps are simplified, so that the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a checking fixture for a hinge guard plate of a tailgate of an automobile. Background Art

[0002] The tailgate of a car refers to the cover of the trunk of a car, which can be opened and closed automatically or manually. The movement direction of the tailgate is generally up and down swinging. The swinging is achieved by two hinges installed between the tailgate and the car body. In order to play a protective role, a guard plate is usually installed on the outside of the two hinges; the hinge guard plate consists of two parts, one part is the curved part, which is used to cooperate with the rotation amplitude; the other part is the cover part, which is used to cover the connecting plate of the hinge.

[0003] In order to ensure the shape and dimensional accuracy of the hinge guard plate, it is necessary to use a matching inspection fixture to inspect the hinge guard plate; however, the existing inspection fixture for automobile tailgate hinge guard plates adopts an integral structure, that is, only an integrated base is used to support and fix the hinge guard plate. Due to the irregular shape of the hinge guard plate, the processing steps of the base are relatively cumbersome, resulting in time-consuming and labor-intensive production of the inspection fixture; in addition, the positioning of the curved part of the hinge guard plate can only be fixed in sequence by adding multiple quick clamps, which makes the operation steps relatively cumbersome, resulting in low inspection efficiency, and needs further improvement. Utility Model Content

[0004] In view of the current status of the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a car tailgate hinge guard plate inspection fixture that adopts a split structure to simplify the processing steps and make the production of the inspection fixture time-saving and labor-saving, and also simplifies the operating steps to improve the inspection efficiency.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: a vehicle tailgate hinge guard plate inspection fixture, characterized in that it includes a base, a support base fixed on the top of the base, a main support block detachably fixed on the top of the support base, and a first positioning base and a second positioning base fixed on the top of the base and respectively provided on the left and right sides of the main support block, wherein the top of the main support block forms a limited arc surface upward;

[0006] A first clamping assembly is further provided on the left side of the first positioning seat, and the first clamping assembly includes a back plate obliquely arranged above the pedestal, two support plates fixed between the left side of the back plate and the top of the pedestal, a first elevated seat and a second elevated seat fixed on the top of the pedestal and both located in front of the back plate and distributed front and back respectively, and a third elevated seat fixed on the top of the pedestal and located behind the back plate;

[0007] A quick-release clamp is also fixed on the right side of each of the first elevated seat, the second elevated seat, and the third elevated seat;

[0008] A second clamping assembly is also provided behind the main support block, which includes a pad fixed on the top of the pedestal, a rotary lifting cylinder fixed on the top of the pad, a pressure rod laterally fixed on the moving end of the rotary lifting cylinder, and a curved pressure strip rotatably connected to one end of the pressure rod and higher than the main support block;

[0009] The arc-shaped pressure strip is made of elastic material, and an arc-shaped limiting groove is formed on the outer peripheral surface of the arc-shaped pressure strip facing the limiting arc surface. The curvature of the arc-shaped limiting groove is greater than the curvature of the limiting arc surface.

[0010] Preferably, a first protrusion is formed on the right side of the back plate toward the upper right, a second protrusion is formed on the end surface of the first protrusion toward the upper right, and a rectangular cavity is formed on the end surface of the second protrusion.

[0011] Preferably, an arc-shaped extension surface is formed on the left side of the top of the first positioning seat, and the right edge of the arc-shaped extension surface cooperates with the left edge of the limiting arc surface.

[0012] Preferably, a first arc-shaped step notch symmetrically arranged is formed on the front and rear outer walls of the main support block, and correspondingly, a second arc-shaped step notch symmetrically arranged is formed on the front and rear outer walls of the first positioning seat, and the inner walls of the two second arc-shaped step notches respectively cooperate with the inner walls of the two first arc-shaped step notches.

[0013] Preferably, a plurality of pin sleeves are embedded on the bottom surface of each of the first arc-shaped step notches, and a detachable detection pin is inserted into each of the pin sleeves.

[0014] Preferably, each of the first arc-shaped step notches has a third arc-shaped step notch symmetrically arranged at the opening edge, and correspondingly, each of the second arc-shaped step notches has a fourth arc-shaped step notch symmetrically arranged at the opening edge, and the inner walls of the two fourth arc-shaped step notches respectively cooperate with the inner walls of the two third arc-shaped step notches.

[0015] Preferably, several seat blocks are embedded between the bottom surface of each of the third arc-shaped step notches and the bottom surface of a first arc-shaped step notch on the same side, and between the bottom surface of each of the second arc-shaped step notches and the bottom surface of a fourth arc-shaped step notch on the same side; a first pin hole is provided in each of the seat blocks, and an arc-shaped groove is provided on the upper side of each of the seat blocks.

[0016] Preferably, a clamping block is embedded in the interior of the first positioning seat, and two second pin holes are provided between the front and rear outer walls of the clamping block. A detachable detection pin is inserted into the openings at opposite ends of the two second pin holes.

[0017] Preferably, the cross-sectional shape of the arc-shaped limiting groove is an isosceles trapezoid.

[0018] Preferably, a concentrically arranged step shaft is formed outward at the outer end of the detection pin, the outer diameter of the step shaft is larger than the outer diameter of the detection pin, and a spacer ring is also sleeved on the outside of the step shaft; a concentrically arranged pressure head is formed outward at the end of the step shaft, a countersunk hole is opened at the center of the end of the pressure head, and two flat sections arranged diagonally to each other are formed on the outer peripheral surface of the pressure head.

[0019] Compared with the existing technology, the advantages of the present invention are: the present invention adopts a split structure, that is, the main support block and the first clamping assembly are used to fix the curved part and the cover part of the hinge guard respectively, which simplifies the processing steps and makes the production of the inspection fixture time-saving and labor-saving; in addition, the second clamping assembly is used to automatically fix the curved part on the hinge guard, thereby simplifying the operation steps and improving the inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the exploded structural diagram of the right front side of the utility model;

[0021] Figure 2 This is a left rear structural diagram of the utility model;

[0022] Figure 3 This is a structural diagram of the right front side of the backrest of the present utility model;

[0023] Figure 4 This is a structural diagram of the right front side of the detection pin of the present utility model. DETAILED DESCRIPTION

[0024] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the usual meanings understood by persons of ordinary skill in the field to which this utility model belongs. The words "first", "second" and similar terms used in this utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0025] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0026] like Figures 1 to 4 As shown, a vehicle tailgate hinge guard plate inspection fixture includes a base 1, a support base 2 fixed to the top of the base 1, a main support block 5 detachably fixed to the top of the support base 2, and a first positioning seat 3 and a second positioning seat 4 fixed to the top of the base 1 and respectively provided on the left and right sides of the main support block 5. The top of the main support block 5 is formed with a limiting arc surface 51 facing upward.

[0027] A first clamping assembly 6 is further provided on the left side of the first positioning seat 3. The first clamping assembly 6 includes a backing plate 62 obliquely arranged above the pedestal 1, two support plates 61 fixed between the left side of the backing plate 62 and the top of the pedestal 1, a first elevated seat 64 and a second elevated seat 63 fixed to the top of the pedestal 1 and both located in front of the backing plate 62 and distributed front and back respectively, and a third elevated seat 65 fixed to the top of the pedestal 1 and located behind the backing plate 62;

[0028] A quick-release clamp 66 is also fixed to the right side of the first elevated seat 64, the second elevated seat 63, and the third elevated seat 65;

[0029] A second pressing assembly 7 is further provided at the rear of the main support block 5. The second pressing assembly 7 includes a pad 71 fixed to the top of the pedestal 1, a rotary lifting cylinder 72 fixed to the top of the pad 71, a pressure rod 73 laterally fixed to the moving end of the rotary lifting cylinder 72, and an arc-shaped pressure strip 74 rotatably connected to one end of the pressure rod 73 and higher than the main support block 5.

[0030] The arcuate pressure strip 74 is made of elastic material. An arcuate limiting groove 741 is formed on the outer peripheral surface of the arcuate pressure strip 74 facing the limiting arc surface 51 . The curvature of the arcuate limiting groove 741 is greater than the curvature of the limiting arc surface 51 .

[0031] A first protrusion 621 is formed on the right side of the back plate 62 and faces right upward. A second protrusion 622 is formed on the end surface of the first protrusion 621 and faces right upward. A rectangular cavity 623 is formed on the end surface of the second protrusion 622 .

[0032] An arc-shaped extension surface 31 is formed on the left side of the top of the first positioning seat 3 , and the right edge of the arc-shaped extension surface 31 cooperates with the left edge of the limiting arc surface 51 .

[0033] A first arc-shaped step notch 52 is formed on the front and rear outer walls of the main support block 5, and correspondingly, a second arc-shaped step notch 32 is formed on the front and rear outer walls of the first positioning seat 3, and the inner walls of the two second arc-shaped step notches 32 respectively cooperate with the inner walls of the two first arc-shaped step notches 52.

[0034] A plurality of pin sleeves 8 are embedded on the bottom surface of each first arc-shaped step notch 52 , and a detachable detection pin 9 is inserted into each pin sleeve 8 .

[0035] The opening edge of each first arc-shaped step notch 52 is also formed with a third arc-shaped step notch 53 symmetrically arranged. Correspondingly, the opening edge of each second arc-shaped step notch 32 is also formed with a fourth arc-shaped step notch 33 symmetrically arranged. The inner walls of the two fourth arc-shaped step notches 33 respectively cooperate with the inner walls of the two third arc-shaped step notches 53.

[0036] Several seat blocks 10 are embedded between the bottom surface of each third arc-shaped step notch 53 and the bottom surface of a first arc-shaped step notch 52 on the same side, and between the bottom surface of each second arc-shaped step notch 32 and the bottom surface of a fourth arc-shaped step notch 33 on the same side.

[0037] A first pin hole 101 is defined in each seat block 10 , and an arc-shaped groove 102 is defined on the upper side of each seat block 10 .

[0038] A clamping block 11 is embedded in the first positioning seat 3 . Two second pin holes 111 are defined between the front and rear outer walls of the clamping block 11 . A detachable detection pin 9 is inserted into the opposite end openings of the two second pin holes 111 .

[0039] The cross-sectional shape of the arc-shaped limiting groove 741 is an isosceles trapezoid.

[0040] A concentrically arranged stepped shaft 92 is formed on the outer end of the detection pin 9 . The outer diameter of the stepped shaft 92 is larger than the outer diameter of the detection pin 9 . A spacer ring 12 is also sleeved on the outer side of the stepped shaft 92 .

[0041] A concentrically arranged pressure head 93 is formed outwardly at the end of the stepped shaft 92 , a countersunk hole 95 is opened at the center of the end of the pressure head 93 , and two planar cut surfaces 94 arranged diagonally to each other are formed on the outer peripheral surface of the pressure head 93 .

[0042] Working principle:

[0043] Bend the handle of each quick clamp 66 so that its swing end swings in the direction away from the second protrusion 622, then pull out each detection pin 9, and finally drive the moving end of the rotary lifting cylinder 72 to first rise and then rotate to use the pressure rod 73 to bring the arc-shaped pressure strip 74 away from the top of the main support block 5.

[0044] Then, the opening of the curved part on the hinge guard plate is turned downward and buckled onto the top of the main support block 5, so that the arc-shaped notch grooves on the inner walls on the front and rear sides of the opening of the curved part are respectively fitted onto the inner walls of the two first arc-shaped step notches 52, the two second arc-shaped step notches 32, the two third arc-shaped step notches 53 and the two fourth arc-shaped step notches 33; at the same time, the cover part on the hinge guard plate is set to the left and buckled onto the outside of the first protrusion 621 and the second protrusion 622; the buckles located on the inner wall of the curved part are respectively embedded in the first pin hole 101 or the arc-shaped groove 102 on the corresponding seat block 10.

[0045] Then, the handle of each quick clamp 66 is bent in the opposite direction so that its swing end is swung in the direction close to the second protrusion 622, until the swing end of each quick clamp 66 is pressed against the outer wall of the cover part, thus completing the fixation of the cover part; then the moving end of the rotary lifting cylinder 72 is driven to rotate first and then descend to use the pressure rod 73 to press the arc strip 74 against the top of the curved part on the hinge guard plate, and make the top of the curved part embedded in the arc limiting groove 741. Since the arc strip 74 is made of elastic material and since the curvature of the arc limiting groove 741 is greater than the curvature of the limiting arc surface 51, the curvature of the arc strip 74 will change during the downward pressing process due to the elasticity of its own material until it is consistent with the limiting arc surface 51, so that the curved part is pressed and fixed by flexible compression.

[0046] Finally, each detection pin 9 can be reinserted into the second pin hole 111 in a corresponding pin sleeve 8 or a corresponding block 11 to complete precise positioning, thereby verifying whether the dimensional accuracy of the hinge guard plate meets the standards.

[0047] The present invention adopts a split structure, that is, the main support block 5 and the first clamping assembly 6 are used to fix the curved portion and the cover portion of the hinge guard respectively, which simplifies the processing steps and saves time and effort in the production of the inspection fixture; in addition, the second clamping assembly 7 is used to automatically fix the curved portion on the hinge guard, thereby simplifying the operating steps and improving the inspection efficiency.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A car tailgate hinge guard plate inspection fixture, characterized in that: It includes a pedestal, a support base fixed on the top of the pedestal, a main support block detachably fixed on the top of the support base, and a first positioning base and a second positioning base fixed on the top of the pedestal and respectively arranged on the left and right sides of the main support block, wherein the top of the main support block forms a limited arc surface upwards; A first clamping assembly is further provided on the left side of the first positioning seat, and the first clamping assembly includes a back plate obliquely arranged above the pedestal, two support plates fixed between the left side of the back plate and the top of the pedestal, a first elevated seat and a second elevated seat fixed on the top of the pedestal and both located in front of the back plate and distributed front and back respectively, and a third elevated seat fixed on the top of the pedestal and located behind the back plate; A quick-release clamp is also fixed on the right side of each of the first elevated seat, the second elevated seat, and the third elevated seat; A second clamping assembly is also provided behind the main support block, which includes a pad fixed on the top of the pedestal, a rotary lifting cylinder fixed on the top of the pad, a pressure rod laterally fixed on the moving end of the rotary lifting cylinder, and a curved pressure strip rotatably connected to one end of the pressure rod and higher than the main support block; The arc-shaped pressure strip is made of elastic material, and an arc-shaped limiting groove is formed on the outer peripheral surface of the arc-shaped pressure strip facing the limiting arc surface. The curvature of the arc-shaped limiting groove is greater than the curvature of the limiting arc surface.

2. The automobile tailgate hinge guard plate inspection fixture according to claim 1, characterized in that: A first protrusion is formed on the right side of the back plate toward the upper right, a second protrusion is formed on the end surface of the first protrusion toward the upper right, and a rectangular cavity is formed on the end surface of the second protrusion.

3. The automobile tailgate hinge guard plate inspection fixture according to claim 1, characterized in that: An arc-shaped extension surface is formed on the left side of the top of the first positioning seat, and the right edge of the arc-shaped extension surface cooperates with the left edge of the limiting arc surface.

4. The automobile tailgate hinge guard plate inspection fixture according to claim 1, characterized in that: A first arc-shaped step notch symmetrically arranged is formed on the front and rear outer walls of the main support block, and correspondingly, a second arc-shaped step notch symmetrically arranged is formed on the front and rear outer walls of the first positioning seat, and the inner walls of the two second arc-shaped step notches respectively cooperate with the inner walls of the two first arc-shaped step notches.

5. The automobile tailgate hinge guard plate inspection fixture according to claim 4, characterized in that: A plurality of pin sleeves are embedded on the bottom surface of each of the first arc-shaped step notches, and a detachable detection pin is inserted into each of the pin sleeves.

6. The automobile tailgate hinge guard plate inspection fixture according to claim 4, characterized in that: The opening edge of each of the first arc-shaped step notches is also formed with a third arc-shaped step notch that is symmetrically arranged. Correspondingly, the opening edge of each of the second arc-shaped step notches is also formed with a fourth arc-shaped step notch that is symmetrically arranged. The inner walls of the two fourth arc-shaped step notches respectively cooperate with the inner walls of the two third arc-shaped step notches.

7. The automobile tailgate hinge guard plate inspection fixture according to claim 6, characterized in that: Several seat blocks are embedded between the bottom surface of each third arc-shaped step notch and the bottom surface of a first arc-shaped step notch on the same side, and between the bottom surface of each second arc-shaped step notch and the bottom surface of a fourth arc-shaped step notch on the same side; a first pin hole is provided in each seat block, and an arc-shaped groove is provided on the upper side of each seat block.

8. The automobile tailgate hinge guard plate inspection fixture according to claim 6, characterized in that: A clamping block is embedded in the interior of the first positioning seat. Two second pin holes are provided between the front and rear outer walls of the clamping block. A detachable detection pin is inserted into the openings at opposite ends of the two second pin holes.

9. The automobile tailgate hinge guard plate inspection fixture according to claim 1, characterized in that: The cross-sectional shape of the arc-shaped limiting groove is an isosceles trapezoid.

10. The automobile tailgate hinge guard plate inspection fixture according to claim 8, characterized in that: A concentrically arranged stepped shaft is formed outwardly at the outer end of the detection pin, the outer diameter of the stepped shaft is larger than the outer diameter of the detection pin, and a spacer ring is also sleeved on the outside of the stepped shaft; a concentrically arranged pressure head is formed outwardly at the end of the step shaft, a countersunk hole is opened at the center of the end of the pressure head, and two flat sections arranged diagonally to each other are formed on the outer peripheral surface of the pressure head.

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